/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 13:33:43,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 13:33:43,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 13:33:43,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 13:33:43,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 13:33:43,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 13:33:43,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 13:33:43,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 13:33:43,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 13:33:43,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 13:33:43,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 13:33:43,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 13:33:43,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 13:33:43,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 13:33:43,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 13:33:43,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 13:33:43,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 13:33:43,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 13:33:43,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 13:33:43,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 13:33:43,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 13:33:43,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 13:33:43,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 13:33:43,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 13:33:43,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 13:33:43,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 13:33:43,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 13:33:43,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 13:33:43,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 13:33:43,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 13:33:43,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 13:33:43,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 13:33:43,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 13:33:43,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 13:33:43,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 13:33:43,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 13:33:43,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-06-11 13:33:43,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 13:33:43,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 13:33:43,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 13:33:43,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 13:33:43,232 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 13:33:43,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 13:33:43,233 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 13:33:43,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 13:33:43,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 13:33:43,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 13:33:43,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 13:33:43,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 13:33:43,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 13:33:43,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 13:33:43,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 13:33:43,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 13:33:43,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 13:33:43,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 13:33:43,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 13:33:43,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 13:33:43,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 13:33:43,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 13:33:43,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 13:33:43,236 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 13:33:43,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 13:33:43,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 13:33:43,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 13:33:43,568 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 13:33:43,569 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 13:33:43,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-06-11 13:33:43,570 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-06-11 13:33:43,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 13:33:43,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 13:33:43,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 13:33:43,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 13:33:43,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 13:33:43,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 13:33:43,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 13:33:43,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 13:33:43,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 13:33:43,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... [2021-06-11 13:33:43,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 13:33:43,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 13:33:43,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 13:33:43,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 13:33:43,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 13:33:43,698 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 13:33:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 13:33:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 13:33:43,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 13:33:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 13:33:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 13:33:43,699 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 13:33:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 13:33:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 13:33:43,700 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 13:33:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 13:33:43,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 13:33:43,701 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 13:33:43,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 13:33:43,935 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 13:33:43,937 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 01:33:43 BoogieIcfgContainer [2021-06-11 13:33:43,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 13:33:43,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 13:33:43,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 13:33:43,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 13:33:43,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:33:43" (1/2) ... [2021-06-11 13:33:43,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f210e0 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 01:33:43, skipping insertion in model container [2021-06-11 13:33:43,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 01:33:43" (2/2) ... [2021-06-11 13:33:43,943 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-06-11 13:33:43,959 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 13:33:43,962 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 13:33:43,963 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 13:33:44,023 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-11 13:33:44,038 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 13:33:44,072 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 13:33:44,072 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 13:33:44,073 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 13:33:44,073 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 13:33:44,073 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 13:33:44,073 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 13:33:44,073 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 13:33:44,073 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 13:33:44,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-06-11 13:33:44,102 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-06-11 13:33:44,102 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 13:33:44,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-06-11 13:33:44,105 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 82 flow [2021-06-11 13:33:44,108 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 24 transitions, 66 flow [2021-06-11 13:33:44,109 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:44,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 24 transitions, 66 flow [2021-06-11 13:33:44,124 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 24 transitions, 66 flow [2021-06-11 13:33:44,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 24 transitions, 66 flow [2021-06-11 13:33:44,137 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-06-11 13:33:44,137 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 13:33:44,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 24 events. 3/24 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 34 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-06-11 13:33:44,140 INFO L151 LiptonReduction]: Number of co-enabled transitions 144 [2021-06-11 13:33:44,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:44,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:44,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:44,564 INFO L163 LiptonReduction]: Checked pairs total: 60 [2021-06-11 13:33:44,565 INFO L165 LiptonReduction]: Total number of compositions: 10 [2021-06-11 13:33:44,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 469 [2021-06-11 13:33:44,596 INFO L129 PetriNetUnfolder]: 3/13 cut-off events. [2021-06-11 13:33:44,597 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 13:33:44,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:44,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:44,598 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:44,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:44,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1690033019, now seen corresponding path program 1 times [2021-06-11 13:33:44,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:44,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747926526] [2021-06-11 13:33:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:44,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:44,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747926526] [2021-06-11 13:33:44,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:33:44,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 13:33:44,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946267788] [2021-06-11 13:33:44,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:33:44,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:44,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:33:44,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:33:44,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 39 [2021-06-11 13:33:44,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 14 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:44,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 39 [2021-06-11 13:33:44,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:44,772 INFO L129 PetriNetUnfolder]: 11/31 cut-off events. [2021-06-11 13:33:44,772 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-06-11 13:33:44,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 31 events. 11/31 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 40. Up to 14 conditions per place. [2021-06-11 13:33:44,777 INFO L132 encePairwiseOnDemand]: 34/39 looper letters, 4 selfloop transitions, 4 changer transitions 0/17 dead transitions. [2021-06-11 13:33:44,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 17 transitions, 68 flow [2021-06-11 13:33:44,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:33:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:33:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions. [2021-06-11 13:33:44,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7435897435897436 [2021-06-11 13:33:44,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 87 transitions. [2021-06-11 13:33:44,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 87 transitions. [2021-06-11 13:33:44,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:44,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 87 transitions. [2021-06-11 13:33:44,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,796 INFO L185 Difference]: Start difference. First operand has 21 places, 14 transitions, 46 flow. Second operand 3 states and 87 transitions. [2021-06-11 13:33:44,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 17 transitions, 68 flow [2021-06-11 13:33:44,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 17 transitions, 56 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-06-11 13:33:44,803 INFO L241 Difference]: Finished difference. Result has 18 places, 17 transitions, 60 flow [2021-06-11 13:33:44,804 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=18, PETRI_TRANSITIONS=17} [2021-06-11 13:33:44,805 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, -3 predicate places. [2021-06-11 13:33:44,805 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:44,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 17 transitions, 60 flow [2021-06-11 13:33:44,806 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 17 transitions, 60 flow [2021-06-11 13:33:44,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 18 places, 17 transitions, 60 flow [2021-06-11 13:33:44,820 INFO L129 PetriNetUnfolder]: 11/31 cut-off events. [2021-06-11 13:33:44,820 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:33:44,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 31 events. 11/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 55 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 33. Up to 14 conditions per place. [2021-06-11 13:33:44,822 INFO L151 LiptonReduction]: Number of co-enabled transitions 66 [2021-06-11 13:33:44,824 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:44,824 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:44,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 13:33:44,826 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 17 transitions, 60 flow [2021-06-11 13:33:44,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:44,827 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:44,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 13:33:44,827 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:44,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:44,829 INFO L82 PathProgramCache]: Analyzing trace with hash -587764025, now seen corresponding path program 1 times [2021-06-11 13:33:44,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:44,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371640234] [2021-06-11 13:33:44,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:44,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:33:44,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371640234] [2021-06-11 13:33:44,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:33:44,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:33:44,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042420825] [2021-06-11 13:33:44,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:33:44,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:44,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:33:44,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:33:44,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 39 [2021-06-11 13:33:44,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 17 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:44,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 39 [2021-06-11 13:33:44,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:44,900 INFO L129 PetriNetUnfolder]: 17/37 cut-off events. [2021-06-11 13:33:44,900 INFO L130 PetriNetUnfolder]: For 9/16 co-relation queries the response was YES. [2021-06-11 13:33:44,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 37 events. 17/37 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 59 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 67. Up to 20 conditions per place. [2021-06-11 13:33:44,901 INFO L132 encePairwiseOnDemand]: 36/39 looper letters, 7 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2021-06-11 13:33:44,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 20 transitions, 90 flow [2021-06-11 13:33:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:33:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:33:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2021-06-11 13:33:44,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2021-06-11 13:33:44,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 81 transitions. [2021-06-11 13:33:44,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 81 transitions. [2021-06-11 13:33:44,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:44,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 81 transitions. [2021-06-11 13:33:44,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,905 INFO L185 Difference]: Start difference. First operand has 18 places, 17 transitions, 60 flow. Second operand 3 states and 81 transitions. [2021-06-11 13:33:44,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 20 transitions, 90 flow [2021-06-11 13:33:44,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 20 transitions, 84 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:44,907 INFO L241 Difference]: Finished difference. Result has 20 places, 18 transitions, 71 flow [2021-06-11 13:33:44,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=20, PETRI_TRANSITIONS=18} [2021-06-11 13:33:44,908 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, -1 predicate places. [2021-06-11 13:33:44,908 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:44,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 18 transitions, 71 flow [2021-06-11 13:33:44,908 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 18 transitions, 71 flow [2021-06-11 13:33:44,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 18 transitions, 71 flow [2021-06-11 13:33:44,913 INFO L129 PetriNetUnfolder]: 10/28 cut-off events. [2021-06-11 13:33:44,913 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 13:33:44,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 28 events. 10/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 37. Up to 13 conditions per place. [2021-06-11 13:33:44,914 INFO L151 LiptonReduction]: Number of co-enabled transitions 70 [2021-06-11 13:33:44,915 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:44,915 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:44,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 13:33:44,916 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 18 transitions, 71 flow [2021-06-11 13:33:44,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:44,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:44,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 13:33:44,917 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:44,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:44,918 INFO L82 PathProgramCache]: Analyzing trace with hash 230428313, now seen corresponding path program 1 times [2021-06-11 13:33:44,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:44,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535687483] [2021-06-11 13:33:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:44,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:44,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:44,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:33:44,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535687483] [2021-06-11 13:33:44,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:33:44,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:33:44,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956915031] [2021-06-11 13:33:44,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:33:44,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:44,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:33:44,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:33:44,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 39 [2021-06-11 13:33:44,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 18 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:44,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 39 [2021-06-11 13:33:44,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:44,962 INFO L129 PetriNetUnfolder]: 20/43 cut-off events. [2021-06-11 13:33:44,962 INFO L130 PetriNetUnfolder]: For 28/32 co-relation queries the response was YES. [2021-06-11 13:33:44,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 43 events. 20/43 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 80 event pairs, 2 based on Foata normal form. 4/45 useless extension candidates. Maximal degree in co-relation 96. Up to 24 conditions per place. [2021-06-11 13:33:44,963 INFO L132 encePairwiseOnDemand]: 36/39 looper letters, 9 selfloop transitions, 3 changer transitions 0/22 dead transitions. [2021-06-11 13:33:44,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 116 flow [2021-06-11 13:33:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:33:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:33:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2021-06-11 13:33:44,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2021-06-11 13:33:44,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 81 transitions. [2021-06-11 13:33:44,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 81 transitions. [2021-06-11 13:33:44,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:44,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 81 transitions. [2021-06-11 13:33:44,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,967 INFO L185 Difference]: Start difference. First operand has 20 places, 18 transitions, 71 flow. Second operand 3 states and 81 transitions. [2021-06-11 13:33:44,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 116 flow [2021-06-11 13:33:44,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 22 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:44,969 INFO L241 Difference]: Finished difference. Result has 22 places, 19 transitions, 85 flow [2021-06-11 13:33:44,969 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2021-06-11 13:33:44,969 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 1 predicate places. [2021-06-11 13:33:44,970 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:44,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 19 transitions, 85 flow [2021-06-11 13:33:44,970 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 19 transitions, 85 flow [2021-06-11 13:33:44,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 19 transitions, 85 flow [2021-06-11 13:33:44,975 INFO L129 PetriNetUnfolder]: 14/33 cut-off events. [2021-06-11 13:33:44,975 INFO L130 PetriNetUnfolder]: For 9/11 co-relation queries the response was YES. [2021-06-11 13:33:44,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 33 events. 14/33 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 60. Up to 19 conditions per place. [2021-06-11 13:33:44,976 INFO L151 LiptonReduction]: Number of co-enabled transitions 66 [2021-06-11 13:33:44,977 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:44,977 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:44,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 13:33:44,978 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 85 flow [2021-06-11 13:33:44,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:44,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:44,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:44,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 13:33:44,979 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:44,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:44,979 INFO L82 PathProgramCache]: Analyzing trace with hash -665789437, now seen corresponding path program 1 times [2021-06-11 13:33:44,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:44,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373430248] [2021-06-11 13:33:44,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:45,095 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-06-11 13:33:45,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:33:45,152 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-06-11 13:33:45,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:33:45,189 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-06-11 13:33:45,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:33:45,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:33:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:45,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373430248] [2021-06-11 13:33:45,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483895755] [2021-06-11 13:33:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:45,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-11 13:33:45,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:45,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,330 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-06-11 13:33:45,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:45,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:45,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:45,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:45,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:45,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:45,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:33:45,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:33:45,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:33:45,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:33:45,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,376 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-06-11 13:33:45,376 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 13:33:45,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:45,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:45,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:45,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:45,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 13:33:45,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:45,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:45,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:45,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,410 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:45,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:45,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:45,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:45,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:45,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:45,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-11 13:33:45,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:45,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:45,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:33:45,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:45,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:33:45,449 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-06-11 13:33:45,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:45,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:45,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:45,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:45,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:45,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-11 13:33:45,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646882497] [2021-06-11 13:33:45,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 13:33:45,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:45,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 13:33:45,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 13:33:45,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:33:45,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 85 flow. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:45,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:45,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:33:45,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:45,678 INFO L129 PetriNetUnfolder]: 54/94 cut-off events. [2021-06-11 13:33:45,679 INFO L130 PetriNetUnfolder]: For 98/104 co-relation queries the response was YES. [2021-06-11 13:33:45,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 94 events. 54/94 cut-off events. For 98/104 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 227 event pairs, 10 based on Foata normal form. 3/96 useless extension candidates. Maximal degree in co-relation 274. Up to 73 conditions per place. [2021-06-11 13:33:45,680 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 12 selfloop transitions, 11 changer transitions 0/29 dead transitions. [2021-06-11 13:33:45,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 29 transitions, 182 flow [2021-06-11 13:33:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 13:33:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 13:33:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2021-06-11 13:33:45,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.452991452991453 [2021-06-11 13:33:45,685 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 106 transitions. [2021-06-11 13:33:45,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 106 transitions. [2021-06-11 13:33:45,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:45,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 106 transitions. [2021-06-11 13:33:45,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:45,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 39.0) internal successors, (273), 7 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:45,689 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 39.0) internal successors, (273), 7 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:45,690 INFO L185 Difference]: Start difference. First operand has 22 places, 19 transitions, 85 flow. Second operand 6 states and 106 transitions. [2021-06-11 13:33:45,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 29 transitions, 182 flow [2021-06-11 13:33:45,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 29 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:45,693 INFO L241 Difference]: Finished difference. Result has 29 places, 26 transitions, 163 flow [2021-06-11 13:33:45,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=29, PETRI_TRANSITIONS=26} [2021-06-11 13:33:45,693 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 8 predicate places. [2021-06-11 13:33:45,693 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:45,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 26 transitions, 163 flow [2021-06-11 13:33:45,694 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 26 transitions, 163 flow [2021-06-11 13:33:45,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 163 flow [2021-06-11 13:33:45,709 INFO L129 PetriNetUnfolder]: 21/55 cut-off events. [2021-06-11 13:33:45,710 INFO L130 PetriNetUnfolder]: For 38/39 co-relation queries the response was YES. [2021-06-11 13:33:45,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 55 events. 21/55 cut-off events. For 38/39 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 126 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 130. Up to 29 conditions per place. [2021-06-11 13:33:45,715 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 13:33:45,719 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:45,719 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:45,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 13:33:45,720 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 26 transitions, 163 flow [2021-06-11 13:33:45,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:45,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:45,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:45,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:45,929 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:45,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:45,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1177115791, now seen corresponding path program 2 times [2021-06-11 13:33:45,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:45,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542847553] [2021-06-11 13:33:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:46,010 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.5 percent of original size [2021-06-11 13:33:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:33:46,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-06-11 13:33:46,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:33:46,077 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:33:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,090 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:33:46,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:46,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542847553] [2021-06-11 13:33:46,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082046647] [2021-06-11 13:33:46,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:46,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:33:46,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:46,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 13:33:46,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:46,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:46,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,164 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 13:33:46,167 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 13:33:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:46,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:46,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:46,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:33:46,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:46,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:33:46,217 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2021-06-11 13:33:46,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,220 INFO L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-06-11 13:33:46,221 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-06-11 13:33:46,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:46,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-11 13:33:46,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:33:46,231 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2021-06-11 13:33:46,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:33:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:33:46,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:46,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:46,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:46,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,268 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:33:46,271 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:46,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:46,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:46,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:46,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:46,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:46,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:46,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-11 13:33:46,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852486586] [2021-06-11 13:33:46,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:33:46,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:46,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:33:46,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:33:46,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:33:46,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 26 transitions, 163 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:46,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:46,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:33:46,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:46,610 INFO L129 PetriNetUnfolder]: 114/208 cut-off events. [2021-06-11 13:33:46,610 INFO L130 PetriNetUnfolder]: For 326/345 co-relation queries the response was YES. [2021-06-11 13:33:46,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 208 events. 114/208 cut-off events. For 326/345 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 765 event pairs, 1 based on Foata normal form. 9/215 useless extension candidates. Maximal degree in co-relation 679. Up to 116 conditions per place. [2021-06-11 13:33:46,612 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 23 selfloop transitions, 32 changer transitions 0/61 dead transitions. [2021-06-11 13:33:46,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 61 transitions, 466 flow [2021-06-11 13:33:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 13:33:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 13:33:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 172 transitions. [2021-06-11 13:33:46,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49002849002849 [2021-06-11 13:33:46,614 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 172 transitions. [2021-06-11 13:33:46,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 172 transitions. [2021-06-11 13:33:46,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:46,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 172 transitions. [2021-06-11 13:33:46,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:46,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 39.0) internal successors, (390), 10 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:46,616 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 39.0) internal successors, (390), 10 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:46,616 INFO L185 Difference]: Start difference. First operand has 29 places, 26 transitions, 163 flow. Second operand 9 states and 172 transitions. [2021-06-11 13:33:46,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 61 transitions, 466 flow [2021-06-11 13:33:46,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 61 transitions, 448 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:46,620 INFO L241 Difference]: Finished difference. Result has 38 places, 48 transitions, 381 flow [2021-06-11 13:33:46,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=381, PETRI_PLACES=38, PETRI_TRANSITIONS=48} [2021-06-11 13:33:46,620 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 17 predicate places. [2021-06-11 13:33:46,620 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:46,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 48 transitions, 381 flow [2021-06-11 13:33:46,621 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 48 transitions, 381 flow [2021-06-11 13:33:46,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 48 transitions, 381 flow [2021-06-11 13:33:46,631 INFO L129 PetriNetUnfolder]: 56/133 cut-off events. [2021-06-11 13:33:46,631 INFO L130 PetriNetUnfolder]: For 174/179 co-relation queries the response was YES. [2021-06-11 13:33:46,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 133 events. 56/133 cut-off events. For 174/179 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 538 event pairs, 4 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 424. Up to 59 conditions per place. [2021-06-11 13:33:46,633 INFO L151 LiptonReduction]: Number of co-enabled transitions 166 [2021-06-11 13:33:46,637 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:46,637 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:46,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 13:33:46,638 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 48 transitions, 381 flow [2021-06-11 13:33:46,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:46,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:46,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:46,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:46,853 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:46,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:46,853 INFO L82 PathProgramCache]: Analyzing trace with hash -279377969, now seen corresponding path program 3 times [2021-06-11 13:33:46,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:46,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192335128] [2021-06-11 13:33:46,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:46,932 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.5 percent of original size [2021-06-11 13:33:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:33:46,970 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-06-11 13:33:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:33:47,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-06-11 13:33:47,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:33:47,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:33:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:47,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192335128] [2021-06-11 13:33:47,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782708999] [2021-06-11 13:33:47,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:47,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:33:47,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:47,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 13:33:47,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:47,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:47,118 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-11 13:33:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:33:47,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:47,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:47,148 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 13:33:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:33:47,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:33:47,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:47,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:33:47,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:33:47,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:47,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:47,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:33:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:33:47,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:47,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:33:47,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:33:47,174 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-06-11 13:33:47,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2021-06-11 13:33:47,175 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:33:47,177 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-06-11 13:33:47,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:47,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:47,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:33:47,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:47,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:33:47,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:3 [2021-06-11 13:33:47,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:47,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:47,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:47,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:47,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-11 13:33:47,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513797920] [2021-06-11 13:33:47,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:33:47,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:47,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:33:47,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:33:47,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:33:47,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 48 transitions, 381 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:47,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:47,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:33:47,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:47,506 INFO L129 PetriNetUnfolder]: 114/211 cut-off events. [2021-06-11 13:33:47,506 INFO L130 PetriNetUnfolder]: For 591/634 co-relation queries the response was YES. [2021-06-11 13:33:47,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 211 events. 114/211 cut-off events. For 591/634 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 792 event pairs, 7 based on Foata normal form. 20/231 useless extension candidates. Maximal degree in co-relation 867. Up to 143 conditions per place. [2021-06-11 13:33:47,510 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 32 selfloop transitions, 31 changer transitions 0/69 dead transitions. [2021-06-11 13:33:47,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 69 transitions, 672 flow [2021-06-11 13:33:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 13:33:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 13:33:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2021-06-11 13:33:47,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47115384615384615 [2021-06-11 13:33:47,512 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 147 transitions. [2021-06-11 13:33:47,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 147 transitions. [2021-06-11 13:33:47,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:47,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 147 transitions. [2021-06-11 13:33:47,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 18.375) internal successors, (147), 8 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:47,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 39.0) internal successors, (351), 9 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:47,514 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 39.0) internal successors, (351), 9 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:47,514 INFO L185 Difference]: Start difference. First operand has 38 places, 48 transitions, 381 flow. Second operand 8 states and 147 transitions. [2021-06-11 13:33:47,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 69 transitions, 672 flow [2021-06-11 13:33:47,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 69 transitions, 564 flow, removed 48 selfloop flow, removed 2 redundant places. [2021-06-11 13:33:47,520 INFO L241 Difference]: Finished difference. Result has 46 places, 61 transitions, 501 flow [2021-06-11 13:33:47,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=501, PETRI_PLACES=46, PETRI_TRANSITIONS=61} [2021-06-11 13:33:47,521 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 25 predicate places. [2021-06-11 13:33:47,521 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:47,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 61 transitions, 501 flow [2021-06-11 13:33:47,521 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 61 transitions, 501 flow [2021-06-11 13:33:47,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 61 transitions, 501 flow [2021-06-11 13:33:47,532 INFO L129 PetriNetUnfolder]: 60/140 cut-off events. [2021-06-11 13:33:47,532 INFO L130 PetriNetUnfolder]: For 225/226 co-relation queries the response was YES. [2021-06-11 13:33:47,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 511 conditions, 140 events. 60/140 cut-off events. For 225/226 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 572 event pairs, 0 based on Foata normal form. 1/141 useless extension candidates. Maximal degree in co-relation 458. Up to 55 conditions per place. [2021-06-11 13:33:47,535 INFO L151 LiptonReduction]: Number of co-enabled transitions 186 [2021-06-11 13:33:47,541 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:47,541 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:47,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 13:33:47,542 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 61 transitions, 501 flow [2021-06-11 13:33:47,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:47,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:47,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:47,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:47,757 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:47,757 INFO L82 PathProgramCache]: Analyzing trace with hash -2004847917, now seen corresponding path program 4 times [2021-06-11 13:33:47,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:47,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945680267] [2021-06-11 13:33:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:47,835 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-06-11 13:33:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:33:47,878 INFO L142 QuantifierPusher]: treesize reduction 13, result has 68.3 percent of original size [2021-06-11 13:33:47,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:33:47,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:47,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:33:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:47,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945680267] [2021-06-11 13:33:47,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806675382] [2021-06-11 13:33:47,925 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:47,953 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:33:47,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:47,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-11 13:33:47,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:47,992 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-06-11 13:33:47,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:47,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:47,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:47,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:47,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:47,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:48,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:48,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:33:48,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 13:33:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:48,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:48,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:48,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:48,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:48,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:48,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:33:48,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:33:48,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-11 13:33:48,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:33:48,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:33:48,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-06-11 13:33:48,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:48,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:48,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-11 13:33:48,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445613807] [2021-06-11 13:33:48,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 13:33:48,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:48,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 13:33:48,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 13:33:48,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:33:48,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 61 transitions, 501 flow. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:48,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:48,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:33:48,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:48,225 INFO L129 PetriNetUnfolder]: 120/227 cut-off events. [2021-06-11 13:33:48,225 INFO L130 PetriNetUnfolder]: For 605/633 co-relation queries the response was YES. [2021-06-11 13:33:48,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 227 events. 120/227 cut-off events. For 605/633 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 875 event pairs, 19 based on Foata normal form. 12/239 useless extension candidates. Maximal degree in co-relation 904. Up to 181 conditions per place. [2021-06-11 13:33:48,228 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 51 selfloop transitions, 11 changer transitions 0/68 dead transitions. [2021-06-11 13:33:48,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 68 transitions, 669 flow [2021-06-11 13:33:48,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 13:33:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 13:33:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2021-06-11 13:33:48,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.452991452991453 [2021-06-11 13:33:48,230 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 106 transitions. [2021-06-11 13:33:48,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 106 transitions. [2021-06-11 13:33:48,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:48,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 106 transitions. [2021-06-11 13:33:48,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:48,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 39.0) internal successors, (273), 7 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:48,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 39.0) internal successors, (273), 7 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:48,232 INFO L185 Difference]: Start difference. First operand has 46 places, 61 transitions, 501 flow. Second operand 6 states and 106 transitions. [2021-06-11 13:33:48,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 68 transitions, 669 flow [2021-06-11 13:33:48,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 68 transitions, 598 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-06-11 13:33:48,238 INFO L241 Difference]: Finished difference. Result has 49 places, 65 transitions, 496 flow [2021-06-11 13:33:48,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=496, PETRI_PLACES=49, PETRI_TRANSITIONS=65} [2021-06-11 13:33:48,239 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 28 predicate places. [2021-06-11 13:33:48,239 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:48,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 65 transitions, 496 flow [2021-06-11 13:33:48,240 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 65 transitions, 496 flow [2021-06-11 13:33:48,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 65 transitions, 496 flow [2021-06-11 13:33:48,254 INFO L129 PetriNetUnfolder]: 61/147 cut-off events. [2021-06-11 13:33:48,254 INFO L130 PetriNetUnfolder]: For 231/236 co-relation queries the response was YES. [2021-06-11 13:33:48,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 147 events. 61/147 cut-off events. For 231/236 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 636 event pairs, 1 based on Foata normal form. 1/144 useless extension candidates. Maximal degree in co-relation 451. Up to 57 conditions per place. [2021-06-11 13:33:48,257 INFO L151 LiptonReduction]: Number of co-enabled transitions 196 [2021-06-11 13:33:48,266 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:48,266 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:48,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-06-11 13:33:48,267 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 65 transitions, 496 flow [2021-06-11 13:33:48,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:48,268 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:48,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:48,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:48,489 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:48,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:48,489 INFO L82 PathProgramCache]: Analyzing trace with hash 635075249, now seen corresponding path program 5 times [2021-06-11 13:33:48,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:48,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365650818] [2021-06-11 13:33:48,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:48,523 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-06-11 13:33:48,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:33:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:33:48,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:48,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365650818] [2021-06-11 13:33:48,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594387941] [2021-06-11 13:33:48,591 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:48,626 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:33:48,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:48,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-11 13:33:48,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:48,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:48,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:48,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:33:48,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:48,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:33:48,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,730 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-06-11 13:33:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:33:48,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:33:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:33:48,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:33:48,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:33:48,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:33:48,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:33:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:33:48,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2021-06-11 13:33:48,752 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-06-11 13:33:48,753 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:33:48,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,759 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-06-11 13:33:48,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:33:48,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:33:48,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:33:48,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-11 13:33:48,787 INFO L628 ElimStorePlain]: treesize reduction 7, result has 77.4 percent of original size [2021-06-11 13:33:48,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,788 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:33:48,791 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:48,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:48,795 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:33:48,795 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:21 [2021-06-11 13:33:48,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:48,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:33:48,818 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-06-11 13:33:48,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:48,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:48,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:48,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:48,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:48,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:48,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:48,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:48,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-11 13:33:48,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809005616] [2021-06-11 13:33:48,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:33:48,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:48,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:33:48,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:33:48,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:33:48,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 65 transitions, 496 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:48,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:48,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:33:48,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:49,113 INFO L129 PetriNetUnfolder]: 156/282 cut-off events. [2021-06-11 13:33:49,113 INFO L130 PetriNetUnfolder]: For 692/694 co-relation queries the response was YES. [2021-06-11 13:33:49,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1194 conditions, 282 events. 156/282 cut-off events. For 692/694 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1108 event pairs, 9 based on Foata normal form. 3/284 useless extension candidates. Maximal degree in co-relation 1124. Up to 196 conditions per place. [2021-06-11 13:33:49,117 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 52 selfloop transitions, 31 changer transitions 0/89 dead transitions. [2021-06-11 13:33:49,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 89 transitions, 823 flow [2021-06-11 13:33:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 13:33:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 13:33:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 131 transitions. [2021-06-11 13:33:49,119 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47985347985347987 [2021-06-11 13:33:49,119 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 131 transitions. [2021-06-11 13:33:49,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 131 transitions. [2021-06-11 13:33:49,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:49,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 131 transitions. [2021-06-11 13:33:49,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 18.714285714285715) internal successors, (131), 7 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 39.0) internal successors, (312), 8 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,121 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 39.0) internal successors, (312), 8 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,121 INFO L185 Difference]: Start difference. First operand has 49 places, 65 transitions, 496 flow. Second operand 7 states and 131 transitions. [2021-06-11 13:33:49,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 89 transitions, 823 flow [2021-06-11 13:33:49,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 89 transitions, 796 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-06-11 13:33:49,131 INFO L241 Difference]: Finished difference. Result has 55 places, 82 transitions, 702 flow [2021-06-11 13:33:49,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=702, PETRI_PLACES=55, PETRI_TRANSITIONS=82} [2021-06-11 13:33:49,132 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 34 predicate places. [2021-06-11 13:33:49,132 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:49,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 82 transitions, 702 flow [2021-06-11 13:33:49,132 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 82 transitions, 702 flow [2021-06-11 13:33:49,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 82 transitions, 702 flow [2021-06-11 13:33:49,149 INFO L129 PetriNetUnfolder]: 74/174 cut-off events. [2021-06-11 13:33:49,149 INFO L130 PetriNetUnfolder]: For 414/421 co-relation queries the response was YES. [2021-06-11 13:33:49,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 174 events. 74/174 cut-off events. For 414/421 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 788 event pairs, 3 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 638. Up to 67 conditions per place. [2021-06-11 13:33:49,153 INFO L151 LiptonReduction]: Number of co-enabled transitions 232 [2021-06-11 13:33:49,165 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:49,165 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:49,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-06-11 13:33:49,166 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 82 transitions, 702 flow [2021-06-11 13:33:49,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:49,166 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:49,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:49,385 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:49,386 INFO L82 PathProgramCache]: Analyzing trace with hash 19995735, now seen corresponding path program 6 times [2021-06-11 13:33:49,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:49,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570037269] [2021-06-11 13:33:49,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:49,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:49,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:49,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:49,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:49,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570037269] [2021-06-11 13:33:49,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573769408] [2021-06-11 13:33:49,424 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:49,455 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:33:49,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:49,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:49,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:49,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:49,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:49,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:49,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:49,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:49,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:49,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,500 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:33:49,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:49,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:49,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:49,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:49,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:49,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:49,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:49,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:49,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:49,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:49,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:49,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:49,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 13:33:49,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457539293] [2021-06-11 13:33:49,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:33:49,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:49,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:33:49,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:33:49,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 39 [2021-06-11 13:33:49,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 82 transitions, 702 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:49,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 39 [2021-06-11 13:33:49,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:49,680 INFO L129 PetriNetUnfolder]: 128/284 cut-off events. [2021-06-11 13:33:49,680 INFO L130 PetriNetUnfolder]: For 1016/1039 co-relation queries the response was YES. [2021-06-11 13:33:49,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1274 conditions, 284 events. 128/284 cut-off events. For 1016/1039 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1380 event pairs, 8 based on Foata normal form. 13/291 useless extension candidates. Maximal degree in co-relation 1165. Up to 107 conditions per place. [2021-06-11 13:33:49,684 INFO L132 encePairwiseOnDemand]: 34/39 looper letters, 32 selfloop transitions, 59 changer transitions 3/120 dead transitions. [2021-06-11 13:33:49,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 120 transitions, 1225 flow [2021-06-11 13:33:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:33:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:33:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 265 transitions. [2021-06-11 13:33:49,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6177156177156177 [2021-06-11 13:33:49,686 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 265 transitions. [2021-06-11 13:33:49,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 265 transitions. [2021-06-11 13:33:49,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:49,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 265 transitions. [2021-06-11 13:33:49,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 24.09090909090909) internal successors, (265), 11 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,688 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,688 INFO L185 Difference]: Start difference. First operand has 55 places, 82 transitions, 702 flow. Second operand 11 states and 265 transitions. [2021-06-11 13:33:49,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 120 transitions, 1225 flow [2021-06-11 13:33:49,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 120 transitions, 1173 flow, removed 23 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:49,699 INFO L241 Difference]: Finished difference. Result has 68 places, 110 transitions, 1105 flow [2021-06-11 13:33:49,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1105, PETRI_PLACES=68, PETRI_TRANSITIONS=110} [2021-06-11 13:33:49,699 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 47 predicate places. [2021-06-11 13:33:49,699 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:49,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 110 transitions, 1105 flow [2021-06-11 13:33:49,700 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 110 transitions, 1105 flow [2021-06-11 13:33:49,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 110 transitions, 1105 flow [2021-06-11 13:33:49,724 INFO L129 PetriNetUnfolder]: 117/265 cut-off events. [2021-06-11 13:33:49,724 INFO L130 PetriNetUnfolder]: For 1119/1139 co-relation queries the response was YES. [2021-06-11 13:33:49,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 265 events. 117/265 cut-off events. For 1119/1139 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1291 event pairs, 3 based on Foata normal form. 5/266 useless extension candidates. Maximal degree in co-relation 1113. Up to 94 conditions per place. [2021-06-11 13:33:49,729 INFO L151 LiptonReduction]: Number of co-enabled transitions 240 [2021-06-11 13:33:49,745 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:49,745 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:49,745 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-06-11 13:33:49,746 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 110 transitions, 1105 flow [2021-06-11 13:33:49,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:49,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:49,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:49,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:49,971 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:49,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:49,972 INFO L82 PathProgramCache]: Analyzing trace with hash -15325519, now seen corresponding path program 1 times [2021-06-11 13:33:49,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:49,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624198542] [2021-06-11 13:33:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:49,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:33:49,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:49,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:49,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:49,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:50,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624198542] [2021-06-11 13:33:50,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423237509] [2021-06-11 13:33:50,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:50,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 13:33:50,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:50,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:50,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:50,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,076 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:33:50,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:50,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:50,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:50,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,092 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:33:50,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:50,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:50,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-11 13:33:50,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324559721] [2021-06-11 13:33:50,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 13:33:50,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 13:33:50,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 13:33:50,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 39 [2021-06-11 13:33:50,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 110 transitions, 1105 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:50,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 39 [2021-06-11 13:33:50,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:50,282 INFO L129 PetriNetUnfolder]: 251/527 cut-off events. [2021-06-11 13:33:50,282 INFO L130 PetriNetUnfolder]: For 3242/3248 co-relation queries the response was YES. [2021-06-11 13:33:50,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 527 events. 251/527 cut-off events. For 3242/3248 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2864 event pairs, 7 based on Foata normal form. 32/559 useless extension candidates. Maximal degree in co-relation 2666. Up to 204 conditions per place. [2021-06-11 13:33:50,289 INFO L132 encePairwiseOnDemand]: 34/39 looper letters, 96 selfloop transitions, 99 changer transitions 8/210 dead transitions. [2021-06-11 13:33:50,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 210 transitions, 2628 flow [2021-06-11 13:33:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:33:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:33:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 217 transitions. [2021-06-11 13:33:50,291 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5564102564102564 [2021-06-11 13:33:50,291 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 217 transitions. [2021-06-11 13:33:50,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 217 transitions. [2021-06-11 13:33:50,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:50,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 217 transitions. [2021-06-11 13:33:50,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.7) internal successors, (217), 10 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,293 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,293 INFO L185 Difference]: Start difference. First operand has 68 places, 110 transitions, 1105 flow. Second operand 10 states and 217 transitions. [2021-06-11 13:33:50,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 210 transitions, 2628 flow [2021-06-11 13:33:50,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 210 transitions, 2467 flow, removed 65 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:50,312 INFO L241 Difference]: Finished difference. Result has 81 places, 158 transitions, 1920 flow [2021-06-11 13:33:50,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=989, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1920, PETRI_PLACES=81, PETRI_TRANSITIONS=158} [2021-06-11 13:33:50,312 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 60 predicate places. [2021-06-11 13:33:50,312 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:50,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 158 transitions, 1920 flow [2021-06-11 13:33:50,313 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 158 transitions, 1920 flow [2021-06-11 13:33:50,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 158 transitions, 1920 flow [2021-06-11 13:33:50,354 INFO L129 PetriNetUnfolder]: 171/409 cut-off events. [2021-06-11 13:33:50,354 INFO L130 PetriNetUnfolder]: For 2883/2939 co-relation queries the response was YES. [2021-06-11 13:33:50,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2228 conditions, 409 events. 171/409 cut-off events. For 2883/2939 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2307 event pairs, 5 based on Foata normal form. 7/415 useless extension candidates. Maximal degree in co-relation 2028. Up to 163 conditions per place. [2021-06-11 13:33:50,362 INFO L151 LiptonReduction]: Number of co-enabled transitions 270 [2021-06-11 13:33:50,394 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:50,394 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:50,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-06-11 13:33:50,395 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 158 transitions, 1920 flow [2021-06-11 13:33:50,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:50,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:50,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:50,620 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:50,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:50,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1157856671, now seen corresponding path program 2 times [2021-06-11 13:33:50,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:50,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106590376] [2021-06-11 13:33:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:50,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:33:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:50,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106590376] [2021-06-11 13:33:50,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61254320] [2021-06-11 13:33:50,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:33:50,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:33:50,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:50,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 13:33:50,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:50,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:50,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:50,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:50,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:50,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:50,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:50,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:50,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:50,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:50,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:50,741 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:50,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:50,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-11 13:33:50,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077728223] [2021-06-11 13:33:50,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 13:33:50,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:50,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 13:33:50,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 13:33:50,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 39 [2021-06-11 13:33:50,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 158 transitions, 1920 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:50,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 39 [2021-06-11 13:33:50,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:50,869 INFO L129 PetriNetUnfolder]: 221/424 cut-off events. [2021-06-11 13:33:50,869 INFO L130 PetriNetUnfolder]: For 4010/4016 co-relation queries the response was YES. [2021-06-11 13:33:50,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2808 conditions, 424 events. 221/424 cut-off events. For 4010/4016 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1982 event pairs, 26 based on Foata normal form. 19/443 useless extension candidates. Maximal degree in co-relation 2665. Up to 194 conditions per place. [2021-06-11 13:33:50,876 INFO L132 encePairwiseOnDemand]: 35/39 looper letters, 78 selfloop transitions, 80 changer transitions 0/165 dead transitions. [2021-06-11 13:33:50,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 165 transitions, 2294 flow [2021-06-11 13:33:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 13:33:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 13:33:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2021-06-11 13:33:50,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.558974358974359 [2021-06-11 13:33:50,877 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 109 transitions. [2021-06-11 13:33:50,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 109 transitions. [2021-06-11 13:33:50,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:50,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 109 transitions. [2021-06-11 13:33:50,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,879 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,879 INFO L185 Difference]: Start difference. First operand has 80 places, 158 transitions, 1920 flow. Second operand 5 states and 109 transitions. [2021-06-11 13:33:50,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 165 transitions, 2294 flow [2021-06-11 13:33:50,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 165 transitions, 2198 flow, removed 41 selfloop flow, removed 2 redundant places. [2021-06-11 13:33:50,907 INFO L241 Difference]: Finished difference. Result has 83 places, 153 transitions, 1951 flow [2021-06-11 13:33:50,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=1751, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1951, PETRI_PLACES=83, PETRI_TRANSITIONS=153} [2021-06-11 13:33:50,908 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 62 predicate places. [2021-06-11 13:33:50,909 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:50,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 153 transitions, 1951 flow [2021-06-11 13:33:50,909 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 153 transitions, 1951 flow [2021-06-11 13:33:50,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 153 transitions, 1951 flow [2021-06-11 13:33:50,942 INFO L129 PetriNetUnfolder]: 155/338 cut-off events. [2021-06-11 13:33:50,942 INFO L130 PetriNetUnfolder]: For 2382/2411 co-relation queries the response was YES. [2021-06-11 13:33:50,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 338 events. 155/338 cut-off events. For 2382/2411 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1674 event pairs, 4 based on Foata normal form. 5/341 useless extension candidates. Maximal degree in co-relation 1739. Up to 155 conditions per place. [2021-06-11 13:33:50,947 INFO L151 LiptonReduction]: Number of co-enabled transitions 236 [2021-06-11 13:33:50,967 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:50,967 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:50,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-06-11 13:33:50,968 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 153 transitions, 1951 flow [2021-06-11 13:33:50,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:50,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:50,968 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:51,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-11 13:33:51,181 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:51,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:51,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1351442303, now seen corresponding path program 7 times [2021-06-11 13:33:51,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:51,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768484215] [2021-06-11 13:33:51,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:51,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:51,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:51,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768484215] [2021-06-11 13:33:51,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218863143] [2021-06-11 13:33:51,228 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:51,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:51,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:51,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:51,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:51,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:51,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,322 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:33:51,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:51,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:51,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:51,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:51,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:51,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:51,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:51,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:33:51,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510024727] [2021-06-11 13:33:51,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:33:51,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:51,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:33:51,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:33:51,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:51,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 153 transitions, 1951 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:51,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:51,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:51,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:51,552 INFO L129 PetriNetUnfolder]: 267/517 cut-off events. [2021-06-11 13:33:51,552 INFO L130 PetriNetUnfolder]: For 4016/4044 co-relation queries the response was YES. [2021-06-11 13:33:51,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3253 conditions, 517 events. 267/517 cut-off events. For 4016/4044 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2560 event pairs, 10 based on Foata normal form. 27/544 useless extension candidates. Maximal degree in co-relation 3089. Up to 325 conditions per place. [2021-06-11 13:33:51,560 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 163 selfloop transitions, 39 changer transitions 1/210 dead transitions. [2021-06-11 13:33:51,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 210 transitions, 3123 flow [2021-06-11 13:33:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 13:33:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 13:33:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2021-06-11 13:33:51,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5224358974358975 [2021-06-11 13:33:51,561 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 163 transitions. [2021-06-11 13:33:51,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 163 transitions. [2021-06-11 13:33:51,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:51,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 163 transitions. [2021-06-11 13:33:51,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:51,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 39.0) internal successors, (351), 9 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:51,563 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 39.0) internal successors, (351), 9 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:51,563 INFO L185 Difference]: Start difference. First operand has 83 places, 153 transitions, 1951 flow. Second operand 8 states and 163 transitions. [2021-06-11 13:33:51,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 210 transitions, 3123 flow [2021-06-11 13:33:51,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 210 transitions, 2881 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 13:33:51,584 INFO L241 Difference]: Finished difference. Result has 89 places, 173 transitions, 2165 flow [2021-06-11 13:33:51,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=1763, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2165, PETRI_PLACES=89, PETRI_TRANSITIONS=173} [2021-06-11 13:33:51,585 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 68 predicate places. [2021-06-11 13:33:51,585 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:51,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 173 transitions, 2165 flow [2021-06-11 13:33:51,585 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 173 transitions, 2165 flow [2021-06-11 13:33:51,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 173 transitions, 2165 flow [2021-06-11 13:33:51,645 INFO L129 PetriNetUnfolder]: 188/422 cut-off events. [2021-06-11 13:33:51,645 INFO L130 PetriNetUnfolder]: For 2833/2859 co-relation queries the response was YES. [2021-06-11 13:33:51,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2363 conditions, 422 events. 188/422 cut-off events. For 2833/2859 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2339 event pairs, 8 based on Foata normal form. 8/429 useless extension candidates. Maximal degree in co-relation 2191. Up to 191 conditions per place. [2021-06-11 13:33:51,652 INFO L151 LiptonReduction]: Number of co-enabled transitions 316 [2021-06-11 13:33:51,662 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:51,662 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:51,662 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-06-11 13:33:51,663 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 173 transitions, 2165 flow [2021-06-11 13:33:51,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:51,663 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:51,663 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:51,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-11 13:33:51,887 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:51,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:51,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1338593451, now seen corresponding path program 8 times [2021-06-11 13:33:51,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:51,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181311892] [2021-06-11 13:33:51,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:51,899 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:51,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:51,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:51,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:51,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:51,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:51,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181311892] [2021-06-11 13:33:51,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638073321] [2021-06-11 13:33:51,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:51,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:33:51,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:51,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:51,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:51,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:51,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:51,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:51,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:51,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:51,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:52,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:52,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:52,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:52,055 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:33:52,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:52,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:52,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:52,066 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:52,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:52,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:52,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:33:52,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67115393] [2021-06-11 13:33:52,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:33:52,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:52,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:33:52,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:33:52,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:52,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 173 transitions, 2165 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:52,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:52,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:52,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:52,348 INFO L129 PetriNetUnfolder]: 300/616 cut-off events. [2021-06-11 13:33:52,348 INFO L130 PetriNetUnfolder]: For 5153/5177 co-relation queries the response was YES. [2021-06-11 13:33:52,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3929 conditions, 616 events. 300/616 cut-off events. For 5153/5177 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 3434 event pairs, 23 based on Foata normal form. 24/640 useless extension candidates. Maximal degree in co-relation 3701. Up to 392 conditions per place. [2021-06-11 13:33:52,358 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 155 selfloop transitions, 53 changer transitions 1/216 dead transitions. [2021-06-11 13:33:52,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 216 transitions, 3196 flow [2021-06-11 13:33:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:33:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:33:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 242 transitions. [2021-06-11 13:33:52,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5170940170940171 [2021-06-11 13:33:52,360 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 242 transitions. [2021-06-11 13:33:52,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 242 transitions. [2021-06-11 13:33:52,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:52,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 242 transitions. [2021-06-11 13:33:52,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.166666666666668) internal successors, (242), 12 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:52,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:52,362 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:52,362 INFO L185 Difference]: Start difference. First operand has 89 places, 173 transitions, 2165 flow. Second operand 12 states and 242 transitions. [2021-06-11 13:33:52,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 216 transitions, 3196 flow [2021-06-11 13:33:52,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 216 transitions, 3098 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-06-11 13:33:52,387 INFO L241 Difference]: Finished difference. Result has 103 places, 191 transitions, 2479 flow [2021-06-11 13:33:52,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=2095, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2479, PETRI_PLACES=103, PETRI_TRANSITIONS=191} [2021-06-11 13:33:52,387 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 82 predicate places. [2021-06-11 13:33:52,387 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:52,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 191 transitions, 2479 flow [2021-06-11 13:33:52,387 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 191 transitions, 2479 flow [2021-06-11 13:33:52,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 191 transitions, 2479 flow [2021-06-11 13:33:52,441 INFO L129 PetriNetUnfolder]: 229/527 cut-off events. [2021-06-11 13:33:52,441 INFO L130 PetriNetUnfolder]: For 4739/4786 co-relation queries the response was YES. [2021-06-11 13:33:52,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 527 events. 229/527 cut-off events. For 4739/4786 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3139 event pairs, 10 based on Foata normal form. 9/532 useless extension candidates. Maximal degree in co-relation 2893. Up to 237 conditions per place. [2021-06-11 13:33:52,451 INFO L151 LiptonReduction]: Number of co-enabled transitions 366 [2021-06-11 13:33:52,464 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:52,465 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:52,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-06-11 13:33:52,465 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 191 transitions, 2479 flow [2021-06-11 13:33:52,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:52,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:52,466 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:52,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-11 13:33:52,691 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:52,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:52,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1366299081, now seen corresponding path program 9 times [2021-06-11 13:33:52,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:52,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464541513] [2021-06-11 13:33:52,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:52,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:52,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:52,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:52,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:52,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:52,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:52,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464541513] [2021-06-11 13:33:52,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164812976] [2021-06-11 13:33:52,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:52,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:33:52,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:52,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:52,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:52,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:52,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:52,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:52,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:52,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:52,838 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:33:52,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:52,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:52,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:52,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:52,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:52,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:52,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:52,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:52,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:52,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:33:52,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196878674] [2021-06-11 13:33:52,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:33:52,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:52,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:33:52,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:33:52,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:52,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 191 transitions, 2479 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:52,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:52,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:52,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:53,178 INFO L129 PetriNetUnfolder]: 304/624 cut-off events. [2021-06-11 13:33:53,179 INFO L130 PetriNetUnfolder]: For 6047/6071 co-relation queries the response was YES. [2021-06-11 13:33:53,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4217 conditions, 624 events. 304/624 cut-off events. For 6047/6071 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 3474 event pairs, 14 based on Foata normal form. 24/648 useless extension candidates. Maximal degree in co-relation 3993. Up to 350 conditions per place. [2021-06-11 13:33:53,186 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 170 selfloop transitions, 68 changer transitions 1/246 dead transitions. [2021-06-11 13:33:53,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 246 transitions, 3777 flow [2021-06-11 13:33:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:33:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:33:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 261 transitions. [2021-06-11 13:33:53,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.514792899408284 [2021-06-11 13:33:53,188 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 261 transitions. [2021-06-11 13:33:53,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 261 transitions. [2021-06-11 13:33:53,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:53,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 261 transitions. [2021-06-11 13:33:53,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.076923076923077) internal successors, (261), 13 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,191 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,191 INFO L185 Difference]: Start difference. First operand has 103 places, 191 transitions, 2479 flow. Second operand 13 states and 261 transitions. [2021-06-11 13:33:53,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 246 transitions, 3777 flow [2021-06-11 13:33:53,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 246 transitions, 3533 flow, removed 90 selfloop flow, removed 4 redundant places. [2021-06-11 13:33:53,223 INFO L241 Difference]: Finished difference. Result has 118 places, 205 transitions, 2685 flow [2021-06-11 13:33:53,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=2273, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2685, PETRI_PLACES=118, PETRI_TRANSITIONS=205} [2021-06-11 13:33:53,223 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 97 predicate places. [2021-06-11 13:33:53,223 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:53,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 205 transitions, 2685 flow [2021-06-11 13:33:53,224 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 205 transitions, 2685 flow [2021-06-11 13:33:53,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 205 transitions, 2685 flow [2021-06-11 13:33:53,281 INFO L129 PetriNetUnfolder]: 235/528 cut-off events. [2021-06-11 13:33:53,281 INFO L130 PetriNetUnfolder]: For 4893/4920 co-relation queries the response was YES. [2021-06-11 13:33:53,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3238 conditions, 528 events. 235/528 cut-off events. For 4893/4920 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 3129 event pairs, 8 based on Foata normal form. 9/534 useless extension candidates. Maximal degree in co-relation 3146. Up to 229 conditions per place. [2021-06-11 13:33:53,291 INFO L151 LiptonReduction]: Number of co-enabled transitions 396 [2021-06-11 13:33:53,307 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:53,307 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:53,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-06-11 13:33:53,308 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 205 transitions, 2685 flow [2021-06-11 13:33:53,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:53,308 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:53,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-11 13:33:53,525 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1084626073, now seen corresponding path program 10 times [2021-06-11 13:33:53,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:53,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124413970] [2021-06-11 13:33:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:53,537 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:53,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:53,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:53,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124413970] [2021-06-11 13:33:53,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619539554] [2021-06-11 13:33:53,563 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:53,592 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:33:53,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:53,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:53,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:53,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:53,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:53,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:53,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,627 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:33:53,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:53,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:53,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:53,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:53,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:53,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:53,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:53,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:53,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:53,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:53,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:53,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:53,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:53,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:53,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:53,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 13:33:53,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730079665] [2021-06-11 13:33:53,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:33:53,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:53,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:33:53,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:33:53,658 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:53,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 205 transitions, 2685 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:53,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:53,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:53,940 INFO L129 PetriNetUnfolder]: 312/650 cut-off events. [2021-06-11 13:33:53,940 INFO L130 PetriNetUnfolder]: For 6393/6405 co-relation queries the response was YES. [2021-06-11 13:33:53,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4484 conditions, 650 events. 312/650 cut-off events. For 6393/6405 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3703 event pairs, 14 based on Foata normal form. 11/661 useless extension candidates. Maximal degree in co-relation 4370. Up to 393 conditions per place. [2021-06-11 13:33:53,949 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 182 selfloop transitions, 71 changer transitions 1/261 dead transitions. [2021-06-11 13:33:53,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 261 transitions, 4023 flow [2021-06-11 13:33:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:33:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:33:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 240 transitions. [2021-06-11 13:33:53,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128 [2021-06-11 13:33:53,951 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 240 transitions. [2021-06-11 13:33:53,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 240 transitions. [2021-06-11 13:33:53,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:53,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 240 transitions. [2021-06-11 13:33:53,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.0) internal successors, (240), 12 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,954 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:53,954 INFO L185 Difference]: Start difference. First operand has 118 places, 205 transitions, 2685 flow. Second operand 12 states and 240 transitions. [2021-06-11 13:33:53,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 261 transitions, 4023 flow [2021-06-11 13:33:53,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 261 transitions, 3830 flow, removed 42 selfloop flow, removed 5 redundant places. [2021-06-11 13:33:53,987 INFO L241 Difference]: Finished difference. Result has 128 places, 228 transitions, 3059 flow [2021-06-11 13:33:53,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=2523, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3059, PETRI_PLACES=128, PETRI_TRANSITIONS=228} [2021-06-11 13:33:53,988 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 107 predicate places. [2021-06-11 13:33:53,988 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:53,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 228 transitions, 3059 flow [2021-06-11 13:33:53,990 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 228 transitions, 3059 flow [2021-06-11 13:33:53,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 228 transitions, 3059 flow [2021-06-11 13:33:54,042 INFO L129 PetriNetUnfolder]: 247/556 cut-off events. [2021-06-11 13:33:54,042 INFO L130 PetriNetUnfolder]: For 5243/5278 co-relation queries the response was YES. [2021-06-11 13:33:54,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3488 conditions, 556 events. 247/556 cut-off events. For 5243/5278 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3347 event pairs, 5 based on Foata normal form. 9/562 useless extension candidates. Maximal degree in co-relation 3402. Up to 235 conditions per place. [2021-06-11 13:33:54,050 INFO L151 LiptonReduction]: Number of co-enabled transitions 442 [2021-06-11 13:33:54,066 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:54,066 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:54,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-06-11 13:33:54,071 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 228 transitions, 3059 flow [2021-06-11 13:33:54,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:54,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:54,072 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:54,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-11 13:33:54,290 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:54,290 INFO L82 PathProgramCache]: Analyzing trace with hash 902569565, now seen corresponding path program 11 times [2021-06-11 13:33:54,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:54,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072895861] [2021-06-11 13:33:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:54,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:54,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:54,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:54,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072895861] [2021-06-11 13:33:54,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875634564] [2021-06-11 13:33:54,329 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:54,373 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:33:54,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:54,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:54,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:54,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:54,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:54,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:54,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:54,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:54,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:54,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:54,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:54,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:54,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:54,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:54,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:54,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:54,439 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:33:54,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:54,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:54,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:54,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:54,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:54,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:54,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:54,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 13:33:54,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884140449] [2021-06-11 13:33:54,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:33:54,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:54,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:33:54,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:33:54,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 39 [2021-06-11 13:33:54,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 228 transitions, 3059 flow. Second operand has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:54,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:54,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 39 [2021-06-11 13:33:54,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:54,677 INFO L129 PetriNetUnfolder]: 377/820 cut-off events. [2021-06-11 13:33:54,678 INFO L130 PetriNetUnfolder]: For 11603/11686 co-relation queries the response was YES. [2021-06-11 13:33:54,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5958 conditions, 820 events. 377/820 cut-off events. For 11603/11686 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5100 event pairs, 18 based on Foata normal form. 20/837 useless extension candidates. Maximal degree in co-relation 5864. Up to 374 conditions per place. [2021-06-11 13:33:54,689 INFO L132 encePairwiseOnDemand]: 35/39 looper letters, 104 selfloop transitions, 159 changer transitions 1/316 dead transitions. [2021-06-11 13:33:54,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 316 transitions, 4884 flow [2021-06-11 13:33:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:33:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:33:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 278 transitions. [2021-06-11 13:33:54,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6480186480186481 [2021-06-11 13:33:54,691 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 278 transitions. [2021-06-11 13:33:54,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 278 transitions. [2021-06-11 13:33:54,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:54,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 278 transitions. [2021-06-11 13:33:54,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:54,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:54,693 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:54,693 INFO L185 Difference]: Start difference. First operand has 128 places, 228 transitions, 3059 flow. Second operand 11 states and 278 transitions. [2021-06-11 13:33:54,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 316 transitions, 4884 flow [2021-06-11 13:33:54,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 316 transitions, 4747 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-06-11 13:33:54,741 INFO L241 Difference]: Finished difference. Result has 140 places, 302 transitions, 4616 flow [2021-06-11 13:33:54,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=2928, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4616, PETRI_PLACES=140, PETRI_TRANSITIONS=302} [2021-06-11 13:33:54,741 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 119 predicate places. [2021-06-11 13:33:54,742 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:54,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 302 transitions, 4616 flow [2021-06-11 13:33:54,742 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 302 transitions, 4616 flow [2021-06-11 13:33:54,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 302 transitions, 4616 flow [2021-06-11 13:33:54,833 INFO L129 PetriNetUnfolder]: 354/777 cut-off events. [2021-06-11 13:33:54,833 INFO L130 PetriNetUnfolder]: For 9638/9798 co-relation queries the response was YES. [2021-06-11 13:33:54,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5310 conditions, 777 events. 354/777 cut-off events. For 9638/9798 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 4896 event pairs, 10 based on Foata normal form. 18/785 useless extension candidates. Maximal degree in co-relation 5199. Up to 361 conditions per place. [2021-06-11 13:33:54,850 INFO L151 LiptonReduction]: Number of co-enabled transitions 482 [2021-06-11 13:33:54,874 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:54,874 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:54,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 133 [2021-06-11 13:33:54,875 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 302 transitions, 4616 flow [2021-06-11 13:33:54,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:54,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:54,875 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:55,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:55,093 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:55,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:55,093 INFO L82 PathProgramCache]: Analyzing trace with hash -873032443, now seen corresponding path program 12 times [2021-06-11 13:33:55,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:55,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197205344] [2021-06-11 13:33:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:55,106 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:55,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:55,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:55,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:55,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197205344] [2021-06-11 13:33:55,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717986538] [2021-06-11 13:33:55,131 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:55,155 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:33:55,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:55,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:55,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:55,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:55,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:55,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:55,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:55,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:33:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:55,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:55,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:55,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:55,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:55,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:55,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:55,201 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-06-11 13:33:55,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:55,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:55,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:55,205 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:33:55,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:55,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:55,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:55,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 13:33:55,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164744336] [2021-06-11 13:33:55,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:33:55,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:55,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:33:55,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:33:55,214 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:55,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 302 transitions, 4616 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:55,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:55,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:55,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:55,569 INFO L129 PetriNetUnfolder]: 495/1072 cut-off events. [2021-06-11 13:33:55,570 INFO L130 PetriNetUnfolder]: For 15795/15845 co-relation queries the response was YES. [2021-06-11 13:33:55,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8113 conditions, 1072 events. 495/1072 cut-off events. For 15795/15845 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6986 event pairs, 35 based on Foata normal form. 51/1123 useless extension candidates. Maximal degree in co-relation 7991. Up to 442 conditions per place. [2021-06-11 13:33:55,616 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 236 selfloop transitions, 143 changer transitions 3/389 dead transitions. [2021-06-11 13:33:55,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 389 transitions, 6761 flow [2021-06-11 13:33:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:33:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:33:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 331 transitions. [2021-06-11 13:33:55,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49924585218702866 [2021-06-11 13:33:55,619 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 331 transitions. [2021-06-11 13:33:55,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 331 transitions. [2021-06-11 13:33:55,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:55,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 331 transitions. [2021-06-11 13:33:55,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 19.470588235294116) internal successors, (331), 17 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:55,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:55,621 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:55,621 INFO L185 Difference]: Start difference. First operand has 140 places, 302 transitions, 4616 flow. Second operand 17 states and 331 transitions. [2021-06-11 13:33:55,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 389 transitions, 6761 flow [2021-06-11 13:33:55,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 389 transitions, 6651 flow, removed 55 selfloop flow, removed 0 redundant places. [2021-06-11 13:33:55,684 INFO L241 Difference]: Finished difference. Result has 165 places, 363 transitions, 6098 flow [2021-06-11 13:33:55,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=4499, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6098, PETRI_PLACES=165, PETRI_TRANSITIONS=363} [2021-06-11 13:33:55,684 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 144 predicate places. [2021-06-11 13:33:55,684 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:55,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 363 transitions, 6098 flow [2021-06-11 13:33:55,685 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 363 transitions, 6098 flow [2021-06-11 13:33:55,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 363 transitions, 6098 flow [2021-06-11 13:33:55,798 INFO L129 PetriNetUnfolder]: 400/909 cut-off events. [2021-06-11 13:33:55,798 INFO L130 PetriNetUnfolder]: For 15387/15514 co-relation queries the response was YES. [2021-06-11 13:33:55,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6852 conditions, 909 events. 400/909 cut-off events. For 15387/15514 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6121 event pairs, 8 based on Foata normal form. 14/912 useless extension candidates. Maximal degree in co-relation 6711. Up to 407 conditions per place. [2021-06-11 13:33:55,813 INFO L151 LiptonReduction]: Number of co-enabled transitions 530 [2021-06-11 13:33:55,842 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:55,842 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:55,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-06-11 13:33:55,843 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 363 transitions, 6098 flow [2021-06-11 13:33:55,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:55,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:55,843 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:56,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:56,065 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:56,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:56,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1840287805, now seen corresponding path program 13 times [2021-06-11 13:33:56,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:56,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283605928] [2021-06-11 13:33:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:56,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:56,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:56,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:56,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:56,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283605928] [2021-06-11 13:33:56,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673604899] [2021-06-11 13:33:56,088 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:56,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:56,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:56,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:56,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:56,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:56,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:56,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:56,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:56,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,171 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:33:56,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:33:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:56,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:56,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:56,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:56,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:56,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 13:33:56,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52300284] [2021-06-11 13:33:56,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:33:56,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:56,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:33:56,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:33:56,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 39 [2021-06-11 13:33:56,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 363 transitions, 6098 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:56,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:56,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 39 [2021-06-11 13:33:56,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:56,489 INFO L129 PetriNetUnfolder]: 401/921 cut-off events. [2021-06-11 13:33:56,490 INFO L130 PetriNetUnfolder]: For 17877/17967 co-relation queries the response was YES. [2021-06-11 13:33:56,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7620 conditions, 921 events. 401/921 cut-off events. For 17877/17967 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 6184 event pairs, 9 based on Foata normal form. 37/954 useless extension candidates. Maximal degree in co-relation 7479. Up to 393 conditions per place. [2021-06-11 13:33:56,504 INFO L132 encePairwiseOnDemand]: 34/39 looper letters, 171 selfloop transitions, 148 changer transitions 4/380 dead transitions. [2021-06-11 13:33:56,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 380 transitions, 7234 flow [2021-06-11 13:33:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:33:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:33:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 346 transitions. [2021-06-11 13:33:56,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6336996336996337 [2021-06-11 13:33:56,506 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 346 transitions. [2021-06-11 13:33:56,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 346 transitions. [2021-06-11 13:33:56,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:56,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 346 transitions. [2021-06-11 13:33:56,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 24.714285714285715) internal successors, (346), 14 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:56,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:56,508 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:56,508 INFO L185 Difference]: Start difference. First operand has 165 places, 363 transitions, 6098 flow. Second operand 14 states and 346 transitions. [2021-06-11 13:33:56,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 380 transitions, 7234 flow [2021-06-11 13:33:56,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 380 transitions, 6673 flow, removed 246 selfloop flow, removed 5 redundant places. [2021-06-11 13:33:56,651 INFO L241 Difference]: Finished difference. Result has 175 places, 360 transitions, 5922 flow [2021-06-11 13:33:56,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=5497, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5922, PETRI_PLACES=175, PETRI_TRANSITIONS=360} [2021-06-11 13:33:56,652 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 154 predicate places. [2021-06-11 13:33:56,652 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:56,652 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 360 transitions, 5922 flow [2021-06-11 13:33:56,652 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 360 transitions, 5922 flow [2021-06-11 13:33:56,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 360 transitions, 5922 flow [2021-06-11 13:33:56,771 INFO L129 PetriNetUnfolder]: 391/879 cut-off events. [2021-06-11 13:33:56,771 INFO L130 PetriNetUnfolder]: For 13693/13817 co-relation queries the response was YES. [2021-06-11 13:33:56,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6468 conditions, 879 events. 391/879 cut-off events. For 13693/13817 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 5798 event pairs, 8 based on Foata normal form. 16/884 useless extension candidates. Maximal degree in co-relation 6349. Up to 379 conditions per place. [2021-06-11 13:33:56,784 INFO L151 LiptonReduction]: Number of co-enabled transitions 532 [2021-06-11 13:33:56,804 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:56,804 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:56,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-06-11 13:33:56,805 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 360 transitions, 5922 flow [2021-06-11 13:33:56,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:56,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:56,805 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:57,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-11 13:33:57,021 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:57,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:57,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1038671577, now seen corresponding path program 14 times [2021-06-11 13:33:57,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:57,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653802034] [2021-06-11 13:33:57,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:57,033 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:57,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653802034] [2021-06-11 13:33:57,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024439258] [2021-06-11 13:33:57,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:57,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:33:57,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:57,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:57,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:57,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:57,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:57,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:57,137 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:33:57,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:57,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:57,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:33:57,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:57,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:57,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:57,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:33:57,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:57,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:57,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:57,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:57,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:57,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:57,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,162 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:57,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:57,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:57,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 13:33:57,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66430565] [2021-06-11 13:33:57,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:33:57,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:57,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:33:57,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:33:57,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:57,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 360 transitions, 5922 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:57,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:57,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:57,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:57,484 INFO L129 PetriNetUnfolder]: 479/1016 cut-off events. [2021-06-11 13:33:57,484 INFO L130 PetriNetUnfolder]: For 17164/17176 co-relation queries the response was YES. [2021-06-11 13:33:57,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8462 conditions, 1016 events. 479/1016 cut-off events. For 17164/17176 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 6414 event pairs, 42 based on Foata normal form. 18/1034 useless extension candidates. Maximal degree in co-relation 8300. Up to 588 conditions per place. [2021-06-11 13:33:57,499 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 263 selfloop transitions, 121 changer transitions 0/391 dead transitions. [2021-06-11 13:33:57,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 391 transitions, 7235 flow [2021-06-11 13:33:57,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:33:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:33:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 281 transitions. [2021-06-11 13:33:57,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5146520146520146 [2021-06-11 13:33:57,500 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 281 transitions. [2021-06-11 13:33:57,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 281 transitions. [2021-06-11 13:33:57,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:57,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 281 transitions. [2021-06-11 13:33:57,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:57,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:57,502 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:57,502 INFO L185 Difference]: Start difference. First operand has 175 places, 360 transitions, 5922 flow. Second operand 14 states and 281 transitions. [2021-06-11 13:33:57,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 391 transitions, 7235 flow [2021-06-11 13:33:57,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 391 transitions, 6912 flow, removed 105 selfloop flow, removed 6 redundant places. [2021-06-11 13:33:57,574 INFO L241 Difference]: Finished difference. Result has 184 places, 360 transitions, 5983 flow [2021-06-11 13:33:57,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=5561, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5983, PETRI_PLACES=184, PETRI_TRANSITIONS=360} [2021-06-11 13:33:57,575 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 163 predicate places. [2021-06-11 13:33:57,575 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:57,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 360 transitions, 5983 flow [2021-06-11 13:33:57,575 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 360 transitions, 5983 flow [2021-06-11 13:33:57,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 360 transitions, 5983 flow [2021-06-11 13:33:57,662 INFO L129 PetriNetUnfolder]: 393/887 cut-off events. [2021-06-11 13:33:57,662 INFO L130 PetriNetUnfolder]: For 13174/13254 co-relation queries the response was YES. [2021-06-11 13:33:57,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6543 conditions, 887 events. 393/887 cut-off events. For 13174/13254 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 5891 event pairs, 9 based on Foata normal form. 15/887 useless extension candidates. Maximal degree in co-relation 6427. Up to 392 conditions per place. [2021-06-11 13:33:57,675 INFO L151 LiptonReduction]: Number of co-enabled transitions 544 [2021-06-11 13:33:57,717 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:57,717 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:57,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-06-11 13:33:57,719 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 360 transitions, 5983 flow [2021-06-11 13:33:57,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:57,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:57,719 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:57,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:57,941 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:57,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:57,941 INFO L82 PathProgramCache]: Analyzing trace with hash -2074297787, now seen corresponding path program 15 times [2021-06-11 13:33:57,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:57,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451152417] [2021-06-11 13:33:57,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:57,950 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:57,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:57,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:57,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:57,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:57,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451152417] [2021-06-11 13:33:57,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033666506] [2021-06-11 13:33:57,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:33:58,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:33:58,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:58,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:58,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:58,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:58,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:58,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:58,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:58,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:58,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:58,088 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:33:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:58,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:58,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:58,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:58,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:58,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:58,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:58,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:58,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:33:58,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061089535] [2021-06-11 13:33:58,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:33:58,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:58,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:33:58,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:33:58,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:58,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 360 transitions, 5983 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:58,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:58,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:58,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:58,557 INFO L129 PetriNetUnfolder]: 698/1564 cut-off events. [2021-06-11 13:33:58,557 INFO L130 PetriNetUnfolder]: For 33660/33662 co-relation queries the response was YES. [2021-06-11 13:33:58,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13180 conditions, 1564 events. 698/1564 cut-off events. For 33660/33662 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 11454 event pairs, 75 based on Foata normal form. 14/1578 useless extension candidates. Maximal degree in co-relation 13038. Up to 697 conditions per place. [2021-06-11 13:33:58,572 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 299 selfloop transitions, 205 changer transitions 3/514 dead transitions. [2021-06-11 13:33:58,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 514 transitions, 9877 flow [2021-06-11 13:33:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-11 13:33:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-11 13:33:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 331 transitions. [2021-06-11 13:33:58,573 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.530448717948718 [2021-06-11 13:33:58,573 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 331 transitions. [2021-06-11 13:33:58,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 331 transitions. [2021-06-11 13:33:58,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:58,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 331 transitions. [2021-06-11 13:33:58,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.6875) internal successors, (331), 16 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:58,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:58,575 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:58,576 INFO L185 Difference]: Start difference. First operand has 184 places, 360 transitions, 5983 flow. Second operand 16 states and 331 transitions. [2021-06-11 13:33:58,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 514 transitions, 9877 flow [2021-06-11 13:33:58,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 514 transitions, 9256 flow, removed 204 selfloop flow, removed 13 redundant places. [2021-06-11 13:33:58,674 INFO L241 Difference]: Finished difference. Result has 194 places, 438 transitions, 7677 flow [2021-06-11 13:33:58,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=5567, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7677, PETRI_PLACES=194, PETRI_TRANSITIONS=438} [2021-06-11 13:33:58,675 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 173 predicate places. [2021-06-11 13:33:58,675 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:33:58,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 438 transitions, 7677 flow [2021-06-11 13:33:58,675 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 438 transitions, 7677 flow [2021-06-11 13:33:58,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 438 transitions, 7677 flow [2021-06-11 13:33:58,861 INFO L129 PetriNetUnfolder]: 564/1357 cut-off events. [2021-06-11 13:33:58,861 INFO L130 PetriNetUnfolder]: For 27157/27286 co-relation queries the response was YES. [2021-06-11 13:33:58,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10709 conditions, 1357 events. 564/1357 cut-off events. For 27157/27286 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 10348 event pairs, 28 based on Foata normal form. 22/1353 useless extension candidates. Maximal degree in co-relation 10560. Up to 577 conditions per place. [2021-06-11 13:33:58,880 INFO L151 LiptonReduction]: Number of co-enabled transitions 686 [2021-06-11 13:33:58,912 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:33:58,912 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:33:58,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 237 [2021-06-11 13:33:58,912 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 438 transitions, 7677 flow [2021-06-11 13:33:58,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:58,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:33:58,912 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:33:59,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-06-11 13:33:59,113 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:33:59,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:33:59,113 INFO L82 PathProgramCache]: Analyzing trace with hash -583281643, now seen corresponding path program 16 times [2021-06-11 13:33:59,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:33:59,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466152716] [2021-06-11 13:33:59,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:33:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:33:59,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:33:59,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:59,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:33:59,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:33:59,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:59,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466152716] [2021-06-11 13:33:59,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076568335] [2021-06-11 13:33:59,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:33:59,208 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:33:59,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:33:59,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:33:59,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:33:59,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:33:59,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:59,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:59,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:59,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:59,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:59,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:33:59,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:33:59,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:33:59,304 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:33:59,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:59,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:33:59,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:33:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:33:59,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:59,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:33:59,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:33:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:33:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:33:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:33:59,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:33:59,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:33:59,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405007937] [2021-06-11 13:33:59,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:33:59,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:33:59,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:33:59,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:33:59,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:33:59,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 438 transitions, 7677 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:59,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:33:59,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:33:59,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:33:59,957 INFO L129 PetriNetUnfolder]: 700/1569 cut-off events. [2021-06-11 13:33:59,957 INFO L130 PetriNetUnfolder]: For 36314/36326 co-relation queries the response was YES. [2021-06-11 13:33:59,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13893 conditions, 1569 events. 700/1569 cut-off events. For 36314/36326 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 11444 event pairs, 67 based on Foata normal form. 20/1589 useless extension candidates. Maximal degree in co-relation 13730. Up to 634 conditions per place. [2021-06-11 13:33:59,978 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 297 selfloop transitions, 228 changer transitions 3/535 dead transitions. [2021-06-11 13:33:59,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 535 transitions, 10642 flow [2021-06-11 13:33:59,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:33:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:33:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 352 transitions. [2021-06-11 13:33:59,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.530920060331825 [2021-06-11 13:33:59,980 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 352 transitions. [2021-06-11 13:33:59,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 352 transitions. [2021-06-11 13:33:59,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:33:59,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 352 transitions. [2021-06-11 13:33:59,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 20.705882352941178) internal successors, (352), 17 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:59,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:59,983 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:33:59,983 INFO L185 Difference]: Start difference. First operand has 194 places, 438 transitions, 7677 flow. Second operand 17 states and 352 transitions. [2021-06-11 13:33:59,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 535 transitions, 10642 flow [2021-06-11 13:34:00,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 535 transitions, 10059 flow, removed 243 selfloop flow, removed 6 redundant places. [2021-06-11 13:34:00,234 INFO L241 Difference]: Finished difference. Result has 210 places, 453 transitions, 8109 flow [2021-06-11 13:34:00,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=7142, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8109, PETRI_PLACES=210, PETRI_TRANSITIONS=453} [2021-06-11 13:34:00,234 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 189 predicate places. [2021-06-11 13:34:00,235 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:00,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 453 transitions, 8109 flow [2021-06-11 13:34:00,235 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 453 transitions, 8109 flow [2021-06-11 13:34:00,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 453 transitions, 8109 flow [2021-06-11 13:34:00,409 INFO L129 PetriNetUnfolder]: 566/1376 cut-off events. [2021-06-11 13:34:00,409 INFO L130 PetriNetUnfolder]: For 28557/28649 co-relation queries the response was YES. [2021-06-11 13:34:00,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11002 conditions, 1376 events. 566/1376 cut-off events. For 28557/28649 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 10525 event pairs, 25 based on Foata normal form. 18/1375 useless extension candidates. Maximal degree in co-relation 10867. Up to 499 conditions per place. [2021-06-11 13:34:00,430 INFO L151 LiptonReduction]: Number of co-enabled transitions 708 [2021-06-11 13:34:00,458 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:00,458 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:00,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-06-11 13:34:00,458 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 453 transitions, 8109 flow [2021-06-11 13:34:00,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:00,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:00,459 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:00,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-11 13:34:00,660 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:00,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash -436671181, now seen corresponding path program 17 times [2021-06-11 13:34:00,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:00,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961300464] [2021-06-11 13:34:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:00,670 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:00,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:00,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:00,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961300464] [2021-06-11 13:34:00,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154104704] [2021-06-11 13:34:00,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:00,719 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:34:00,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:00,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:00,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:00,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:00,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:00,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:00,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:00,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:00,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:00,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:00,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:00,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:00,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:00,777 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:00,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:00,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:00,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:00,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:00,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:00,794 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:00,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:00,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:00,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:00,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:00,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:00,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:00,799 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:00,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:00,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:00,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:00,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:00,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956514355] [2021-06-11 13:34:00,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:00,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:00,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:00,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:00,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:00,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 453 transitions, 8109 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:00,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:00,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:00,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:01,609 INFO L129 PetriNetUnfolder]: 765/1827 cut-off events. [2021-06-11 13:34:01,609 INFO L130 PetriNetUnfolder]: For 44444/44450 co-relation queries the response was YES. [2021-06-11 13:34:01,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16124 conditions, 1827 events. 765/1827 cut-off events. For 44444/44450 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 14468 event pairs, 34 based on Foata normal form. 13/1840 useless extension candidates. Maximal degree in co-relation 15914. Up to 572 conditions per place. [2021-06-11 13:34:01,640 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 285 selfloop transitions, 308 changer transitions 5/605 dead transitions. [2021-06-11 13:34:01,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 605 transitions, 12467 flow [2021-06-11 13:34:01,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-11 13:34:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-06-11 13:34:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 528 transitions. [2021-06-11 13:34:01,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5207100591715976 [2021-06-11 13:34:01,642 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 528 transitions. [2021-06-11 13:34:01,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 528 transitions. [2021-06-11 13:34:01,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:01,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 528 transitions. [2021-06-11 13:34:01,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 20.307692307692307) internal successors, (528), 26 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:01,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 39.0) internal successors, (1053), 27 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:01,646 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 39.0) internal successors, (1053), 27 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:01,646 INFO L185 Difference]: Start difference. First operand has 210 places, 453 transitions, 8109 flow. Second operand 26 states and 528 transitions. [2021-06-11 13:34:01,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 605 transitions, 12467 flow [2021-06-11 13:34:01,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 605 transitions, 12100 flow, removed 75 selfloop flow, removed 7 redundant places. [2021-06-11 13:34:01,941 INFO L241 Difference]: Finished difference. Result has 241 places, 534 transitions, 10561 flow [2021-06-11 13:34:01,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=7849, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=10561, PETRI_PLACES=241, PETRI_TRANSITIONS=534} [2021-06-11 13:34:01,942 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 220 predicate places. [2021-06-11 13:34:01,943 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:01,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 534 transitions, 10561 flow [2021-06-11 13:34:01,943 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 534 transitions, 10561 flow [2021-06-11 13:34:01,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 534 transitions, 10561 flow [2021-06-11 13:34:02,220 INFO L129 PetriNetUnfolder]: 637/1644 cut-off events. [2021-06-11 13:34:02,220 INFO L130 PetriNetUnfolder]: For 44124/44187 co-relation queries the response was YES. [2021-06-11 13:34:02,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14184 conditions, 1644 events. 637/1644 cut-off events. For 44124/44187 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 13687 event pairs, 26 based on Foata normal form. 14/1646 useless extension candidates. Maximal degree in co-relation 14022. Up to 528 conditions per place. [2021-06-11 13:34:02,251 INFO L151 LiptonReduction]: Number of co-enabled transitions 814 [2021-06-11 13:34:02,289 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:02,289 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:02,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 347 [2021-06-11 13:34:02,290 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 534 transitions, 10561 flow [2021-06-11 13:34:02,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:02,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:02,290 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:02,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-11 13:34:02,492 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:02,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1291977835, now seen corresponding path program 18 times [2021-06-11 13:34:02,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:02,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640933646] [2021-06-11 13:34:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:02,507 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:02,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:02,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:02,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:02,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640933646] [2021-06-11 13:34:02,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719271017] [2021-06-11 13:34:02,535 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:02,563 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:34:02,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:02,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:02,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:02,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:02,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:02,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:02,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:02,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:02,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:02,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:02,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:02,618 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:02,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:02,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:02,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:02,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:02,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:02,624 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-06-11 13:34:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:02,628 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:02,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:02,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:34:02,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15071408] [2021-06-11 13:34:02,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:34:02,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:02,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:34:02,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:34:02,638 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:02,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 534 transitions, 10561 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:02,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:02,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:02,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:03,544 INFO L129 PetriNetUnfolder]: 767/1850 cut-off events. [2021-06-11 13:34:03,544 INFO L130 PetriNetUnfolder]: For 55853/55859 co-relation queries the response was YES. [2021-06-11 13:34:03,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17662 conditions, 1850 events. 767/1850 cut-off events. For 55853/55859 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14793 event pairs, 36 based on Foata normal form. 16/1866 useless extension candidates. Maximal degree in co-relation 17432. Up to 563 conditions per place. [2021-06-11 13:34:03,582 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 287 selfloop transitions, 348 changer transitions 1/643 dead transitions. [2021-06-11 13:34:03,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 643 transitions, 14340 flow [2021-06-11 13:34:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-11 13:34:03,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-06-11 13:34:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 601 transitions. [2021-06-11 13:34:03,584 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5136752136752136 [2021-06-11 13:34:03,584 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 601 transitions. [2021-06-11 13:34:03,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 601 transitions. [2021-06-11 13:34:03,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:03,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 601 transitions. [2021-06-11 13:34:03,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 20.033333333333335) internal successors, (601), 30 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:03,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 39.0) internal successors, (1209), 31 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:03,588 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 39.0) internal successors, (1209), 31 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:03,588 INFO L185 Difference]: Start difference. First operand has 241 places, 534 transitions, 10561 flow. Second operand 30 states and 601 transitions. [2021-06-11 13:34:03,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 643 transitions, 14340 flow [2021-06-11 13:34:03,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 643 transitions, 12994 flow, removed 626 selfloop flow, removed 7 redundant places. [2021-06-11 13:34:04,008 INFO L241 Difference]: Finished difference. Result has 276 places, 583 transitions, 11653 flow [2021-06-11 13:34:04,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=9521, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=295, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=11653, PETRI_PLACES=276, PETRI_TRANSITIONS=583} [2021-06-11 13:34:04,009 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 255 predicate places. [2021-06-11 13:34:04,009 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:04,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 276 places, 583 transitions, 11653 flow [2021-06-11 13:34:04,010 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 276 places, 583 transitions, 11653 flow [2021-06-11 13:34:04,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 276 places, 583 transitions, 11653 flow [2021-06-11 13:34:04,271 INFO L129 PetriNetUnfolder]: 650/1673 cut-off events. [2021-06-11 13:34:04,271 INFO L130 PetriNetUnfolder]: For 36676/36776 co-relation queries the response was YES. [2021-06-11 13:34:04,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13704 conditions, 1673 events. 650/1673 cut-off events. For 36676/36776 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 13958 event pairs, 12 based on Foata normal form. 24/1684 useless extension candidates. Maximal degree in co-relation 13461. Up to 484 conditions per place. [2021-06-11 13:34:04,300 INFO L151 LiptonReduction]: Number of co-enabled transitions 852 [2021-06-11 13:34:04,340 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:04,341 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:04,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-06-11 13:34:04,341 INFO L480 AbstractCegarLoop]: Abstraction has has 276 places, 583 transitions, 11653 flow [2021-06-11 13:34:04,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:04,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:04,342 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:04,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-11 13:34:04,543 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:04,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:04,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1291383189, now seen corresponding path program 19 times [2021-06-11 13:34:04,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:04,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578669373] [2021-06-11 13:34:04,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:04,554 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:04,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:04,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578669373] [2021-06-11 13:34:04,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971895852] [2021-06-11 13:34:04,578 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:04,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:04,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:04,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:04,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:04,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:04,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:04,661 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:04,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:04,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:04,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:04,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:04,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:04,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:04,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:04,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:04,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:04,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:04,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:04,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:34:04,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364721706] [2021-06-11 13:34:04,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:34:04,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:34:04,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:34:04,692 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:04,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 583 transitions, 11653 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:04,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:04,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:04,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:05,374 INFO L129 PetriNetUnfolder]: 763/1842 cut-off events. [2021-06-11 13:34:05,374 INFO L130 PetriNetUnfolder]: For 47229/47231 co-relation queries the response was YES. [2021-06-11 13:34:05,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16893 conditions, 1842 events. 763/1842 cut-off events. For 47229/47231 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 14748 event pairs, 61 based on Foata normal form. 10/1852 useless extension candidates. Maximal degree in co-relation 16643. Up to 793 conditions per place. [2021-06-11 13:34:05,441 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 342 selfloop transitions, 299 changer transitions 0/648 dead transitions. [2021-06-11 13:34:05,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 648 transitions, 14267 flow [2021-06-11 13:34:05,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 13:34:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 13:34:05,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 426 transitions. [2021-06-11 13:34:05,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5201465201465202 [2021-06-11 13:34:05,442 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 426 transitions. [2021-06-11 13:34:05,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 426 transitions. [2021-06-11 13:34:05,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:05,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 426 transitions. [2021-06-11 13:34:05,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 20.285714285714285) internal successors, (426), 21 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:05,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 39.0) internal successors, (858), 22 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:05,445 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 39.0) internal successors, (858), 22 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:05,445 INFO L185 Difference]: Start difference. First operand has 276 places, 583 transitions, 11653 flow. Second operand 21 states and 426 transitions. [2021-06-11 13:34:05,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 648 transitions, 14267 flow [2021-06-11 13:34:05,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 648 transitions, 13662 flow, removed 176 selfloop flow, removed 14 redundant places. [2021-06-11 13:34:05,710 INFO L241 Difference]: Finished difference. Result has 288 places, 594 transitions, 12213 flow [2021-06-11 13:34:05,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=10950, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=12213, PETRI_PLACES=288, PETRI_TRANSITIONS=594} [2021-06-11 13:34:05,710 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 267 predicate places. [2021-06-11 13:34:05,711 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:05,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 594 transitions, 12213 flow [2021-06-11 13:34:05,711 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 594 transitions, 12213 flow [2021-06-11 13:34:05,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 594 transitions, 12213 flow [2021-06-11 13:34:05,965 INFO L129 PetriNetUnfolder]: 639/1670 cut-off events. [2021-06-11 13:34:05,965 INFO L130 PetriNetUnfolder]: For 36255/36352 co-relation queries the response was YES. [2021-06-11 13:34:05,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13578 conditions, 1670 events. 639/1670 cut-off events. For 36255/36352 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 14105 event pairs, 13 based on Foata normal form. 20/1677 useless extension candidates. Maximal degree in co-relation 13331. Up to 480 conditions per place. [2021-06-11 13:34:05,992 INFO L151 LiptonReduction]: Number of co-enabled transitions 870 [2021-06-11 13:34:06,033 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:06,033 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:06,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-06-11 13:34:06,034 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 594 transitions, 12213 flow [2021-06-11 13:34:06,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:06,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:06,034 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:06,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-11 13:34:06,234 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:06,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:06,235 INFO L82 PathProgramCache]: Analyzing trace with hash 284269845, now seen corresponding path program 20 times [2021-06-11 13:34:06,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:06,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007997292] [2021-06-11 13:34:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:06,248 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:06,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:06,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007997292] [2021-06-11 13:34:06,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526528256] [2021-06-11 13:34:06,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:06,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:34:06,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:06,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:06,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:06,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:06,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:06,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:06,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:06,331 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:06,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:06,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:06,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:06,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:34:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:06,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:06,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:06,355 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:06,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:06,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:06,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:06,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:06,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779767075] [2021-06-11 13:34:06,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:06,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:06,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:06,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:06,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:06,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 594 transitions, 12213 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:06,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:06,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:06,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:06,955 INFO L129 PetriNetUnfolder]: 759/1819 cut-off events. [2021-06-11 13:34:06,955 INFO L130 PetriNetUnfolder]: For 47732/47782 co-relation queries the response was YES. [2021-06-11 13:34:06,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16805 conditions, 1819 events. 759/1819 cut-off events. For 47732/47782 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 14487 event pairs, 73 based on Foata normal form. 40/1859 useless extension candidates. Maximal degree in co-relation 16548. Up to 850 conditions per place. [2021-06-11 13:34:06,984 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 334 selfloop transitions, 291 changer transitions 0/632 dead transitions. [2021-06-11 13:34:06,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 632 transitions, 14239 flow [2021-06-11 13:34:06,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-11 13:34:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-11 13:34:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 307 transitions. [2021-06-11 13:34:06,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5247863247863248 [2021-06-11 13:34:06,986 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 307 transitions. [2021-06-11 13:34:06,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 307 transitions. [2021-06-11 13:34:06,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:06,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 307 transitions. [2021-06-11 13:34:06,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.466666666666665) internal successors, (307), 15 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:06,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 39.0) internal successors, (624), 16 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:06,988 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 39.0) internal successors, (624), 16 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:06,988 INFO L185 Difference]: Start difference. First operand has 288 places, 594 transitions, 12213 flow. Second operand 15 states and 307 transitions. [2021-06-11 13:34:06,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 632 transitions, 14239 flow [2021-06-11 13:34:07,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 632 transitions, 13817 flow, removed 104 selfloop flow, removed 12 redundant places. [2021-06-11 13:34:07,257 INFO L241 Difference]: Finished difference. Result has 294 places, 605 transitions, 12878 flow [2021-06-11 13:34:07,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=11793, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12878, PETRI_PLACES=294, PETRI_TRANSITIONS=605} [2021-06-11 13:34:07,258 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 273 predicate places. [2021-06-11 13:34:07,258 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:07,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 605 transitions, 12878 flow [2021-06-11 13:34:07,258 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 605 transitions, 12878 flow [2021-06-11 13:34:07,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 605 transitions, 12878 flow [2021-06-11 13:34:07,476 INFO L129 PetriNetUnfolder]: 639/1669 cut-off events. [2021-06-11 13:34:07,476 INFO L130 PetriNetUnfolder]: For 37196/37288 co-relation queries the response was YES. [2021-06-11 13:34:07,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13922 conditions, 1669 events. 639/1669 cut-off events. For 37196/37288 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 14017 event pairs, 13 based on Foata normal form. 20/1675 useless extension candidates. Maximal degree in co-relation 13672. Up to 472 conditions per place. [2021-06-11 13:34:07,503 INFO L151 LiptonReduction]: Number of co-enabled transitions 886 [2021-06-11 13:34:07,614 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:07,614 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:07,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 356 [2021-06-11 13:34:07,615 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 605 transitions, 12878 flow [2021-06-11 13:34:07,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:07,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:07,615 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:07,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:07,816 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:07,816 INFO L82 PathProgramCache]: Analyzing trace with hash 469138197, now seen corresponding path program 21 times [2021-06-11 13:34:07,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:07,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645389542] [2021-06-11 13:34:07,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:07,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:07,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:07,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:07,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645389542] [2021-06-11 13:34:07,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351222654] [2021-06-11 13:34:07,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:07,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:34:07,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:07,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:07,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:07,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:07,918 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:34:07,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:07,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:07,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:07,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:07,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:07,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:07,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:07,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:07,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:07,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:07,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:07,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:07,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:07,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:07,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:07,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:07,950 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:07,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:07,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:07,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:07,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-11 13:34:07,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995994052] [2021-06-11 13:34:07,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 13:34:07,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:07,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 13:34:07,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-11 13:34:07,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:07,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 605 transitions, 12878 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:07,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:07,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:07,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:08,576 INFO L129 PetriNetUnfolder]: 809/2000 cut-off events. [2021-06-11 13:34:08,576 INFO L130 PetriNetUnfolder]: For 51719/51725 co-relation queries the response was YES. [2021-06-11 13:34:08,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18883 conditions, 2000 events. 809/2000 cut-off events. For 51719/51725 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 16611 event pairs, 57 based on Foata normal form. 12/2012 useless extension candidates. Maximal degree in co-relation 18565. Up to 1187 conditions per place. [2021-06-11 13:34:08,600 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 566 selfloop transitions, 153 changer transitions 0/726 dead transitions. [2021-06-11 13:34:08,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 726 transitions, 17374 flow [2021-06-11 13:34:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:34:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:34:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 261 transitions. [2021-06-11 13:34:08,602 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.514792899408284 [2021-06-11 13:34:08,602 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 261 transitions. [2021-06-11 13:34:08,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 261 transitions. [2021-06-11 13:34:08,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:08,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 261 transitions. [2021-06-11 13:34:08,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.076923076923077) internal successors, (261), 13 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:08,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:08,603 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:08,603 INFO L185 Difference]: Start difference. First operand has 294 places, 605 transitions, 12878 flow. Second operand 13 states and 261 transitions. [2021-06-11 13:34:08,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 726 transitions, 17374 flow [2021-06-11 13:34:08,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 726 transitions, 16890 flow, removed 66 selfloop flow, removed 7 redundant places. [2021-06-11 13:34:08,912 INFO L241 Difference]: Finished difference. Result has 307 places, 683 transitions, 15273 flow [2021-06-11 13:34:08,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=12486, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15273, PETRI_PLACES=307, PETRI_TRANSITIONS=683} [2021-06-11 13:34:08,913 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 286 predicate places. [2021-06-11 13:34:08,913 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:08,913 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 683 transitions, 15273 flow [2021-06-11 13:34:08,913 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 683 transitions, 15273 flow [2021-06-11 13:34:08,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 683 transitions, 15273 flow [2021-06-11 13:34:09,185 INFO L129 PetriNetUnfolder]: 690/1844 cut-off events. [2021-06-11 13:34:09,186 INFO L130 PetriNetUnfolder]: For 40278/40370 co-relation queries the response was YES. [2021-06-11 13:34:09,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15815 conditions, 1844 events. 690/1844 cut-off events. For 40278/40370 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 16023 event pairs, 13 based on Foata normal form. 16/1846 useless extension candidates. Maximal degree in co-relation 15552. Up to 494 conditions per place. [2021-06-11 13:34:09,218 INFO L151 LiptonReduction]: Number of co-enabled transitions 1036 [2021-06-11 13:34:09,291 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:09,291 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:09,291 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 378 [2021-06-11 13:34:09,291 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 683 transitions, 15273 flow [2021-06-11 13:34:09,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:09,292 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:09,292 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:09,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-11 13:34:09,505 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:09,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:09,505 INFO L82 PathProgramCache]: Analyzing trace with hash -812960189, now seen corresponding path program 22 times [2021-06-11 13:34:09,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:09,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146694488] [2021-06-11 13:34:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:09,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:09,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:09,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:09,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:09,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146694488] [2021-06-11 13:34:09,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108831115] [2021-06-11 13:34:09,539 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:09,560 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:34:09,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:09,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:09,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:09,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:09,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:34:09,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:09,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:09,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:09,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:09,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:09,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:09,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:09,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:09,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:09,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:09,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:09,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:09,588 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-11 13:34:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:09,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:09,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:09,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:09,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:09,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:09,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:09,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:09,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:09,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:09,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:09,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:09,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:09,595 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:09,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:09,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:09,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:09,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-11 13:34:09,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187897054] [2021-06-11 13:34:09,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 13:34:09,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:09,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 13:34:09,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-11 13:34:09,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:09,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 683 transitions, 15273 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:09,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:09,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:09,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:10,417 INFO L129 PetriNetUnfolder]: 832/2105 cut-off events. [2021-06-11 13:34:10,417 INFO L130 PetriNetUnfolder]: For 52761/52763 co-relation queries the response was YES. [2021-06-11 13:34:10,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19970 conditions, 2105 events. 832/2105 cut-off events. For 52761/52763 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 17951 event pairs, 45 based on Foata normal form. 7/2112 useless extension candidates. Maximal degree in co-relation 19639. Up to 682 conditions per place. [2021-06-11 13:34:10,503 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 499 selfloop transitions, 242 changer transitions 3/751 dead transitions. [2021-06-11 13:34:10,503 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 751 transitions, 18423 flow [2021-06-11 13:34:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:34:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:34:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 271 transitions. [2021-06-11 13:34:10,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49633699633699635 [2021-06-11 13:34:10,511 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 271 transitions. [2021-06-11 13:34:10,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 271 transitions. [2021-06-11 13:34:10,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:10,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 271 transitions. [2021-06-11 13:34:10,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.357142857142858) internal successors, (271), 14 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:10,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:10,513 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:10,513 INFO L185 Difference]: Start difference. First operand has 307 places, 683 transitions, 15273 flow. Second operand 14 states and 271 transitions. [2021-06-11 13:34:10,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 751 transitions, 18423 flow [2021-06-11 13:34:10,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 751 transitions, 18371 flow, removed 22 selfloop flow, removed 2 redundant places. [2021-06-11 13:34:10,934 INFO L241 Difference]: Finished difference. Result has 324 places, 726 transitions, 17235 flow [2021-06-11 13:34:10,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=15204, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=200, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17235, PETRI_PLACES=324, PETRI_TRANSITIONS=726} [2021-06-11 13:34:10,935 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 303 predicate places. [2021-06-11 13:34:10,935 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:10,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 726 transitions, 17235 flow [2021-06-11 13:34:10,935 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 726 transitions, 17235 flow [2021-06-11 13:34:10,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 726 transitions, 17235 flow [2021-06-11 13:34:11,321 INFO L129 PetriNetUnfolder]: 716/1935 cut-off events. [2021-06-11 13:34:11,321 INFO L130 PetriNetUnfolder]: For 49768/49876 co-relation queries the response was YES. [2021-06-11 13:34:11,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17417 conditions, 1935 events. 716/1935 cut-off events. For 49768/49876 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 17112 event pairs, 14 based on Foata normal form. 21/1939 useless extension candidates. Maximal degree in co-relation 17125. Up to 523 conditions per place. [2021-06-11 13:34:11,366 INFO L151 LiptonReduction]: Number of co-enabled transitions 1072 [2021-06-11 13:34:11,450 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:11,450 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:11,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 515 [2021-06-11 13:34:11,450 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 726 transitions, 17235 flow [2021-06-11 13:34:11,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:11,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:11,451 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:11,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:11,651 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:11,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash -2144852711, now seen corresponding path program 23 times [2021-06-11 13:34:11,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:11,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787045992] [2021-06-11 13:34:11,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:11,660 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:11,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:11,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787045992] [2021-06-11 13:34:11,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795000756] [2021-06-11 13:34:11,678 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:11,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:34:11,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:11,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:11,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:11,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,716 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:34:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:11,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:11,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:11,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:11,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:11,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:11,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:11,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:11,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:11,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:11,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:11,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:11,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:11,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:11,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:11,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:11,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:11,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:11,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:11,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-11 13:34:11,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126005546] [2021-06-11 13:34:11,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 13:34:11,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:11,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 13:34:11,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-11 13:34:11,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:11,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 726 transitions, 17235 flow. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:11,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:11,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:11,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:12,601 INFO L129 PetriNetUnfolder]: 839/2135 cut-off events. [2021-06-11 13:34:12,601 INFO L130 PetriNetUnfolder]: For 61937/61939 co-relation queries the response was YES. [2021-06-11 13:34:12,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21164 conditions, 2135 events. 839/2135 cut-off events. For 61937/61939 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 18249 event pairs, 61 based on Foata normal form. 6/2141 useless extension candidates. Maximal degree in co-relation 20818. Up to 1179 conditions per place. [2021-06-11 13:34:12,637 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 575 selfloop transitions, 194 changer transitions 0/776 dead transitions. [2021-06-11 13:34:12,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 776 transitions, 19961 flow [2021-06-11 13:34:12,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:34:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:34:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 204 transitions. [2021-06-11 13:34:12,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5230769230769231 [2021-06-11 13:34:12,638 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 204 transitions. [2021-06-11 13:34:12,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 204 transitions. [2021-06-11 13:34:12,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:12,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 204 transitions. [2021-06-11 13:34:12,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.4) internal successors, (204), 10 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:12,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:12,639 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:12,639 INFO L185 Difference]: Start difference. First operand has 324 places, 726 transitions, 17235 flow. Second operand 10 states and 204 transitions. [2021-06-11 13:34:12,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 776 transitions, 19961 flow [2021-06-11 13:34:13,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 776 transitions, 19640 flow, removed 126 selfloop flow, removed 5 redundant places. [2021-06-11 13:34:13,174 INFO L241 Difference]: Finished difference. Result has 331 places, 739 transitions, 17972 flow [2021-06-11 13:34:13,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=16946, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17972, PETRI_PLACES=331, PETRI_TRANSITIONS=739} [2021-06-11 13:34:13,175 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 310 predicate places. [2021-06-11 13:34:13,175 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:13,175 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 331 places, 739 transitions, 17972 flow [2021-06-11 13:34:13,175 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 331 places, 739 transitions, 17972 flow [2021-06-11 13:34:13,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 739 transitions, 17972 flow [2021-06-11 13:34:13,651 INFO L129 PetriNetUnfolder]: 721/1969 cut-off events. [2021-06-11 13:34:13,651 INFO L130 PetriNetUnfolder]: For 52439/52565 co-relation queries the response was YES. [2021-06-11 13:34:13,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17954 conditions, 1969 events. 721/1969 cut-off events. For 52439/52565 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 17589 event pairs, 14 based on Foata normal form. 21/1975 useless extension candidates. Maximal degree in co-relation 17670. Up to 529 conditions per place. [2021-06-11 13:34:13,700 INFO L151 LiptonReduction]: Number of co-enabled transitions 1100 [2021-06-11 13:34:13,781 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:13,781 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:13,782 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 607 [2021-06-11 13:34:13,782 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 739 transitions, 17972 flow [2021-06-11 13:34:13,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:13,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:13,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:13,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-06-11 13:34:13,983 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:13,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:13,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1314085391, now seen corresponding path program 3 times [2021-06-11 13:34:13,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:13,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269217356] [2021-06-11 13:34:13,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:13,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:13,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:13,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:13,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:34:14,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269217356] [2021-06-11 13:34:14,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248015080] [2021-06-11 13:34:14,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:14,028 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:34:14,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:14,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 13:34:14,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:14,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:14,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:14,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:14,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:14,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:34:14,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:14,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:14,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:14,066 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:14,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:14,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:34:14,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:14,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-11 13:34:14,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059703069] [2021-06-11 13:34:14,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 13:34:14,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:14,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 13:34:14,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 13:34:14,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 39 [2021-06-11 13:34:14,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 739 transitions, 17972 flow. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:14,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:14,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 39 [2021-06-11 13:34:14,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:15,111 INFO L129 PetriNetUnfolder]: 860/2148 cut-off events. [2021-06-11 13:34:15,112 INFO L130 PetriNetUnfolder]: For 64496/64498 co-relation queries the response was YES. [2021-06-11 13:34:15,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21652 conditions, 2148 events. 860/2148 cut-off events. For 64496/64498 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 18221 event pairs, 81 based on Foata normal form. 8/2156 useless extension candidates. Maximal degree in co-relation 21289. Up to 1463 conditions per place. [2021-06-11 13:34:15,149 INFO L132 encePairwiseOnDemand]: 35/39 looper letters, 692 selfloop transitions, 60 changer transitions 3/762 dead transitions. [2021-06-11 13:34:15,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 762 transitions, 19789 flow [2021-06-11 13:34:15,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 13:34:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 13:34:15,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 108 transitions. [2021-06-11 13:34:15,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5538461538461539 [2021-06-11 13:34:15,150 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 108 transitions. [2021-06-11 13:34:15,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 108 transitions. [2021-06-11 13:34:15,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:15,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 108 transitions. [2021-06-11 13:34:15,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:15,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:15,151 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 39.0) internal successors, (234), 6 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:15,151 INFO L185 Difference]: Start difference. First operand has 331 places, 739 transitions, 17972 flow. Second operand 5 states and 108 transitions. [2021-06-11 13:34:15,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 762 transitions, 19789 flow [2021-06-11 13:34:15,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 762 transitions, 19511 flow, removed 44 selfloop flow, removed 7 redundant places. [2021-06-11 13:34:15,750 INFO L241 Difference]: Finished difference. Result has 328 places, 744 transitions, 17855 flow [2021-06-11 13:34:15,751 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=17507, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=17855, PETRI_PLACES=328, PETRI_TRANSITIONS=744} [2021-06-11 13:34:15,751 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 307 predicate places. [2021-06-11 13:34:15,751 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:15,751 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 744 transitions, 17855 flow [2021-06-11 13:34:15,752 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 744 transitions, 17855 flow [2021-06-11 13:34:15,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 744 transitions, 17855 flow [2021-06-11 13:34:16,289 INFO L129 PetriNetUnfolder]: 731/1966 cut-off events. [2021-06-11 13:34:16,289 INFO L130 PetriNetUnfolder]: For 50849/50957 co-relation queries the response was YES. [2021-06-11 13:34:16,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17824 conditions, 1966 events. 731/1966 cut-off events. For 50849/50957 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 17366 event pairs, 12 based on Foata normal form. 18/1969 useless extension candidates. Maximal degree in co-relation 17516. Up to 523 conditions per place. [2021-06-11 13:34:16,347 INFO L151 LiptonReduction]: Number of co-enabled transitions 1082 [2021-06-11 13:34:16,425 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:16,426 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:16,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-06-11 13:34:16,426 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 744 transitions, 17855 flow [2021-06-11 13:34:16,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:16,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:16,426 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:16,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:16,630 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:16,630 INFO L82 PathProgramCache]: Analyzing trace with hash -915365453, now seen corresponding path program 24 times [2021-06-11 13:34:16,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:16,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983291093] [2021-06-11 13:34:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:16,645 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:16,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:16,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:16,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:16,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983291093] [2021-06-11 13:34:16,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158733883] [2021-06-11 13:34:16,680 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:16,699 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:34:16,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:16,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:16,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:16,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:16,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:16,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:16,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:16,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:16,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,729 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:34:16,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:16,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:16,733 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-11 13:34:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:16,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:34:16,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:16,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:16,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:16,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:16,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:16,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:16,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:16,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:16,745 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:16,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:16,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:16,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 13:34:16,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886608614] [2021-06-11 13:34:16,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:34:16,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:16,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:34:16,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:34:16,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:16,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 744 transitions, 17855 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:16,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:16,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:16,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:17,882 INFO L129 PetriNetUnfolder]: 961/2399 cut-off events. [2021-06-11 13:34:17,882 INFO L130 PetriNetUnfolder]: For 74232/74287 co-relation queries the response was YES. [2021-06-11 13:34:17,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24243 conditions, 2399 events. 961/2399 cut-off events. For 74232/74287 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 20800 event pairs, 51 based on Foata normal form. 48/2447 useless extension candidates. Maximal degree in co-relation 23876. Up to 773 conditions per place. [2021-06-11 13:34:17,915 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 551 selfloop transitions, 332 changer transitions 2/892 dead transitions. [2021-06-11 13:34:17,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 892 transitions, 23328 flow [2021-06-11 13:34:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:34:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:34:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 352 transitions. [2021-06-11 13:34:17,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5014245014245015 [2021-06-11 13:34:17,922 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 352 transitions. [2021-06-11 13:34:17,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 352 transitions. [2021-06-11 13:34:17,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:17,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 352 transitions. [2021-06-11 13:34:17,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 18 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:17,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 39.0) internal successors, (741), 19 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:17,924 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 39.0) internal successors, (741), 19 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:17,924 INFO L185 Difference]: Start difference. First operand has 325 places, 744 transitions, 17855 flow. Second operand 18 states and 352 transitions. [2021-06-11 13:34:17,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 892 transitions, 23328 flow [2021-06-11 13:34:18,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 892 transitions, 23196 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-06-11 13:34:18,573 INFO L241 Difference]: Finished difference. Result has 343 places, 832 transitions, 21055 flow [2021-06-11 13:34:18,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=17740, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=21055, PETRI_PLACES=343, PETRI_TRANSITIONS=832} [2021-06-11 13:34:18,575 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 322 predicate places. [2021-06-11 13:34:18,575 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:18,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 343 places, 832 transitions, 21055 flow [2021-06-11 13:34:18,575 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 343 places, 832 transitions, 21055 flow [2021-06-11 13:34:18,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 342 places, 832 transitions, 21055 flow [2021-06-11 13:34:18,959 INFO L129 PetriNetUnfolder]: 827/2207 cut-off events. [2021-06-11 13:34:18,959 INFO L130 PetriNetUnfolder]: For 68338/68419 co-relation queries the response was YES. [2021-06-11 13:34:18,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21205 conditions, 2207 events. 827/2207 cut-off events. For 68338/68419 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 19944 event pairs, 10 based on Foata normal form. 12/2217 useless extension candidates. Maximal degree in co-relation 20888. Up to 583 conditions per place. [2021-06-11 13:34:19,007 INFO L151 LiptonReduction]: Number of co-enabled transitions 1182 [2021-06-11 13:34:19,098 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:19,098 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:19,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 524 [2021-06-11 13:34:19,099 INFO L480 AbstractCegarLoop]: Abstraction has has 342 places, 832 transitions, 21055 flow [2021-06-11 13:34:19,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:19,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:19,099 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:19,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-11 13:34:19,300 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:19,300 INFO L82 PathProgramCache]: Analyzing trace with hash -170662955, now seen corresponding path program 25 times [2021-06-11 13:34:19,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:19,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641711420] [2021-06-11 13:34:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:19,309 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,314 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:19,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,322 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:19,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:19,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641711420] [2021-06-11 13:34:19,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535040306] [2021-06-11 13:34:19,336 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:19,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:19,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:19,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:19,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:19,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:19,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:19,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:19,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,396 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:19,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:19,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:19,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:19,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:19,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:19,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:19,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:19,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:19,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:34:19,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:19,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:19,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:19,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:19,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:19,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:19,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:19,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:19,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:19,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:19,416 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:19,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:19,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:19,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:19,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:34:19,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778302180] [2021-06-11 13:34:19,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:34:19,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:19,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:34:19,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:34:19,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:19,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 832 transitions, 21055 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:19,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:19,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:19,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:20,271 INFO L129 PetriNetUnfolder]: 958/2381 cut-off events. [2021-06-11 13:34:20,271 INFO L130 PetriNetUnfolder]: For 82493/82495 co-relation queries the response was YES. [2021-06-11 13:34:20,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25146 conditions, 2381 events. 958/2381 cut-off events. For 82493/82495 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 20564 event pairs, 52 based on Foata normal form. 5/2386 useless extension candidates. Maximal degree in co-relation 24768. Up to 773 conditions per place. [2021-06-11 13:34:20,306 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 614 selfloop transitions, 265 changer transitions 2/888 dead transitions. [2021-06-11 13:34:20,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 888 transitions, 24213 flow [2021-06-11 13:34:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:34:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:34:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 276 transitions. [2021-06-11 13:34:20,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5054945054945055 [2021-06-11 13:34:20,308 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 276 transitions. [2021-06-11 13:34:20,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 276 transitions. [2021-06-11 13:34:20,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:20,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 276 transitions. [2021-06-11 13:34:20,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 19.714285714285715) internal successors, (276), 14 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:20,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:20,310 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:20,310 INFO L185 Difference]: Start difference. First operand has 342 places, 832 transitions, 21055 flow. Second operand 14 states and 276 transitions. [2021-06-11 13:34:20,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 888 transitions, 24213 flow [2021-06-11 13:34:20,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 888 transitions, 23739 flow, removed 212 selfloop flow, removed 7 redundant places. [2021-06-11 13:34:20,871 INFO L241 Difference]: Finished difference. Result has 355 places, 856 transitions, 22093 flow [2021-06-11 13:34:20,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=20686, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=831, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=240, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22093, PETRI_PLACES=355, PETRI_TRANSITIONS=856} [2021-06-11 13:34:20,872 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 334 predicate places. [2021-06-11 13:34:20,872 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:20,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 856 transitions, 22093 flow [2021-06-11 13:34:20,873 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 355 places, 856 transitions, 22093 flow [2021-06-11 13:34:20,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 354 places, 856 transitions, 22093 flow [2021-06-11 13:34:21,365 INFO L129 PetriNetUnfolder]: 833/2210 cut-off events. [2021-06-11 13:34:21,365 INFO L130 PetriNetUnfolder]: For 69540/69602 co-relation queries the response was YES. [2021-06-11 13:34:21,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21680 conditions, 2210 events. 833/2210 cut-off events. For 69540/69602 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 19763 event pairs, 10 based on Foata normal form. 6/2213 useless extension candidates. Maximal degree in co-relation 21355. Up to 569 conditions per place. [2021-06-11 13:34:21,418 INFO L151 LiptonReduction]: Number of co-enabled transitions 1192 [2021-06-11 13:34:21,503 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:21,503 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:21,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 631 [2021-06-11 13:34:21,504 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 856 transitions, 22093 flow [2021-06-11 13:34:21,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:21,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:21,504 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:21,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:21,709 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:21,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:21,709 INFO L82 PathProgramCache]: Analyzing trace with hash -2142531563, now seen corresponding path program 26 times [2021-06-11 13:34:21,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:21,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269328885] [2021-06-11 13:34:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:21,717 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:21,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,723 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:21,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:21,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:21,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:21,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269328885] [2021-06-11 13:34:21,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019962153] [2021-06-11 13:34:21,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:21,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:34:21,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:21,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:21,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:21,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:21,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:21,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:21,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:21,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:21,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:21,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:21,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:21,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:21,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:21,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:21,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:21,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:21,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:21,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:21,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:21,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:21,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:21,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:21,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:21,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:21,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:21,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:21,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:21,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865708865] [2021-06-11 13:34:21,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:21,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:21,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:21,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 856 transitions, 22093 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:21,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:21,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:21,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:22,958 INFO L129 PetriNetUnfolder]: 1223/3043 cut-off events. [2021-06-11 13:34:22,958 INFO L130 PetriNetUnfolder]: For 117732/117738 co-relation queries the response was YES. [2021-06-11 13:34:22,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32492 conditions, 3043 events. 1223/3043 cut-off events. For 117732/117738 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 27472 event pairs, 108 based on Foata normal form. 13/3056 useless extension candidates. Maximal degree in co-relation 32106. Up to 1365 conditions per place. [2021-06-11 13:34:23,083 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 592 selfloop transitions, 480 changer transitions 0/1079 dead transitions. [2021-06-11 13:34:23,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 1079 transitions, 29396 flow [2021-06-11 13:34:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:34:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:34:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 250 transitions. [2021-06-11 13:34:23,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5341880341880342 [2021-06-11 13:34:23,084 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 250 transitions. [2021-06-11 13:34:23,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 250 transitions. [2021-06-11 13:34:23,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:23,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 250 transitions. [2021-06-11 13:34:23,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.833333333333332) internal successors, (250), 12 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:23,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:23,086 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:23,086 INFO L185 Difference]: Start difference. First operand has 354 places, 856 transitions, 22093 flow. Second operand 12 states and 250 transitions. [2021-06-11 13:34:23,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 1079 transitions, 29396 flow [2021-06-11 13:34:23,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 1079 transitions, 29051 flow, removed 79 selfloop flow, removed 4 redundant places. [2021-06-11 13:34:23,945 INFO L241 Difference]: Finished difference. Result has 365 places, 1000 transitions, 26985 flow [2021-06-11 13:34:23,946 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=21731, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=354, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=26985, PETRI_PLACES=365, PETRI_TRANSITIONS=1000} [2021-06-11 13:34:23,946 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 344 predicate places. [2021-06-11 13:34:23,946 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:23,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 365 places, 1000 transitions, 26985 flow [2021-06-11 13:34:23,947 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 365 places, 1000 transitions, 26985 flow [2021-06-11 13:34:23,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 365 places, 1000 transitions, 26985 flow [2021-06-11 13:34:24,726 INFO L129 PetriNetUnfolder]: 1054/2801 cut-off events. [2021-06-11 13:34:24,726 INFO L130 PetriNetUnfolder]: For 100097/100297 co-relation queries the response was YES. [2021-06-11 13:34:24,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28456 conditions, 2801 events. 1054/2801 cut-off events. For 100097/100297 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 26184 event pairs, 20 based on Foata normal form. 27/2815 useless extension candidates. Maximal degree in co-relation 28124. Up to 732 conditions per place. [2021-06-11 13:34:24,797 INFO L151 LiptonReduction]: Number of co-enabled transitions 1370 [2021-06-11 13:34:24,930 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:24,930 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:24,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 984 [2021-06-11 13:34:24,931 INFO L480 AbstractCegarLoop]: Abstraction has has 365 places, 1000 transitions, 26985 flow [2021-06-11 13:34:24,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:24,931 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:24,931 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:25,131 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-11 13:34:25,132 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:25,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:25,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1071767331, now seen corresponding path program 27 times [2021-06-11 13:34:25,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:25,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063615429] [2021-06-11 13:34:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:25,143 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:25,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,148 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:25,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:25,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:25,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:25,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063615429] [2021-06-11 13:34:25,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957599933] [2021-06-11 13:34:25,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:25,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:34:25,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:25,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:25,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:25,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:25,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:25,230 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:25,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:25,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:34:25,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:25,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:25,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:25,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:25,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:25,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:25,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:25,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:25,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:25,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:25,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:25,266 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:25,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:25,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 13:34:25,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202759484] [2021-06-11 13:34:25,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:34:25,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:25,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:34:25,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:34:25,271 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:25,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 1000 transitions, 26985 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:25,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:25,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:25,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:26,994 INFO L129 PetriNetUnfolder]: 1265/3266 cut-off events. [2021-06-11 13:34:26,994 INFO L130 PetriNetUnfolder]: For 131274/131329 co-relation queries the response was YES. [2021-06-11 13:34:27,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35846 conditions, 3266 events. 1265/3266 cut-off events. For 131274/131329 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30572 event pairs, 77 based on Foata normal form. 53/3319 useless extension candidates. Maximal degree in co-relation 35497. Up to 1696 conditions per place. [2021-06-11 13:34:27,063 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 774 selfloop transitions, 362 changer transitions 0/1143 dead transitions. [2021-06-11 13:34:27,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 1143 transitions, 32933 flow [2021-06-11 13:34:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-11 13:34:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-11 13:34:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 327 transitions. [2021-06-11 13:34:27,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5240384615384616 [2021-06-11 13:34:27,064 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 327 transitions. [2021-06-11 13:34:27,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 327 transitions. [2021-06-11 13:34:27,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:27,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 327 transitions. [2021-06-11 13:34:27,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.4375) internal successors, (327), 16 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:27,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:27,066 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:27,066 INFO L185 Difference]: Start difference. First operand has 365 places, 1000 transitions, 26985 flow. Second operand 16 states and 327 transitions. [2021-06-11 13:34:27,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 1143 transitions, 32933 flow [2021-06-11 13:34:28,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 1143 transitions, 32365 flow, removed 223 selfloop flow, removed 6 redundant places. [2021-06-11 13:34:28,398 INFO L241 Difference]: Finished difference. Result has 380 places, 1061 transitions, 29363 flow [2021-06-11 13:34:28,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=26449, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1000, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=29363, PETRI_PLACES=380, PETRI_TRANSITIONS=1061} [2021-06-11 13:34:28,400 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 359 predicate places. [2021-06-11 13:34:28,400 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:28,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 1061 transitions, 29363 flow [2021-06-11 13:34:28,400 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 1061 transitions, 29363 flow [2021-06-11 13:34:28,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 1061 transitions, 29363 flow [2021-06-11 13:34:29,223 INFO L129 PetriNetUnfolder]: 1087/2985 cut-off events. [2021-06-11 13:34:29,224 INFO L130 PetriNetUnfolder]: For 108734/108891 co-relation queries the response was YES. [2021-06-11 13:34:29,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30355 conditions, 2985 events. 1087/2985 cut-off events. For 108734/108891 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 28840 event pairs, 20 based on Foata normal form. 11/2983 useless extension candidates. Maximal degree in co-relation 30032. Up to 701 conditions per place. [2021-06-11 13:34:29,282 INFO L151 LiptonReduction]: Number of co-enabled transitions 1442 [2021-06-11 13:34:29,421 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:29,422 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:29,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1022 [2021-06-11 13:34:29,422 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 1061 transitions, 29363 flow [2021-06-11 13:34:29,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:29,422 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:29,422 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:29,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:29,623 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:29,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:29,623 INFO L82 PathProgramCache]: Analyzing trace with hash -896931427, now seen corresponding path program 28 times [2021-06-11 13:34:29,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:29,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490189950] [2021-06-11 13:34:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:29,640 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,645 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:29,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:29,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:29,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:29,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:29,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490189950] [2021-06-11 13:34:29,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308600758] [2021-06-11 13:34:29,665 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:29,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:34:29,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:29,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:29,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:29,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:29,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:29,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:29,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:29,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:29,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:29,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:29,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:29,714 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:29,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:29,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:29,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:29,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:34:29,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:29,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:29,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:29,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:29,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:29,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:29,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:29,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:29,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:29,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:29,721 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-06-11 13:34:29,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:29,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:29,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:29,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:29,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:29,724 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:29,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:29,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:29,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:29,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-11 13:34:29,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009687324] [2021-06-11 13:34:29,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:34:29,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:29,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:34:29,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:34:29,731 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:29,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 1061 transitions, 29363 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:29,731 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:29,731 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:29,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:31,441 INFO L129 PetriNetUnfolder]: 1260/3260 cut-off events. [2021-06-11 13:34:31,442 INFO L130 PetriNetUnfolder]: For 135546/135601 co-relation queries the response was YES. [2021-06-11 13:34:31,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36264 conditions, 3260 events. 1260/3260 cut-off events. For 135546/135601 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 30546 event pairs, 59 based on Foata normal form. 52/3312 useless extension candidates. Maximal degree in co-relation 35918. Up to 952 conditions per place. [2021-06-11 13:34:31,509 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 672 selfloop transitions, 445 changer transitions 1/1125 dead transitions. [2021-06-11 13:34:31,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 1125 transitions, 33348 flow [2021-06-11 13:34:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 13:34:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 13:34:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 414 transitions. [2021-06-11 13:34:31,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5054945054945055 [2021-06-11 13:34:31,511 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 414 transitions. [2021-06-11 13:34:31,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 414 transitions. [2021-06-11 13:34:31,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:31,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 414 transitions. [2021-06-11 13:34:31,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 19.714285714285715) internal successors, (414), 21 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:31,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 39.0) internal successors, (858), 22 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:31,513 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 39.0) internal successors, (858), 22 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:31,513 INFO L185 Difference]: Start difference. First operand has 380 places, 1061 transitions, 29363 flow. Second operand 21 states and 414 transitions. [2021-06-11 13:34:31,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 1125 transitions, 33348 flow [2021-06-11 13:34:32,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 1125 transitions, 32987 flow, removed 136 selfloop flow, removed 9 redundant places. [2021-06-11 13:34:32,584 INFO L241 Difference]: Finished difference. Result has 395 places, 1076 transitions, 30644 flow [2021-06-11 13:34:32,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=28837, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=425, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=30644, PETRI_PLACES=395, PETRI_TRANSITIONS=1076} [2021-06-11 13:34:32,585 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 374 predicate places. [2021-06-11 13:34:32,585 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:32,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 1076 transitions, 30644 flow [2021-06-11 13:34:32,585 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 1076 transitions, 30644 flow [2021-06-11 13:34:32,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 1076 transitions, 30644 flow [2021-06-11 13:34:33,398 INFO L129 PetriNetUnfolder]: 1083/2976 cut-off events. [2021-06-11 13:34:33,398 INFO L130 PetriNetUnfolder]: For 114461/114582 co-relation queries the response was YES. [2021-06-11 13:34:33,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31113 conditions, 2976 events. 1083/2976 cut-off events. For 114461/114582 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 28797 event pairs, 19 based on Foata normal form. 18/2980 useless extension candidates. Maximal degree in co-relation 30770. Up to 674 conditions per place. [2021-06-11 13:34:33,496 INFO L151 LiptonReduction]: Number of co-enabled transitions 1444 [2021-06-11 13:34:33,631 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:33,632 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:33,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1047 [2021-06-11 13:34:33,633 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 1076 transitions, 30644 flow [2021-06-11 13:34:33,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:33,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:33,633 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:33,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-06-11 13:34:33,834 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:33,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:33,834 INFO L82 PathProgramCache]: Analyzing trace with hash 703077725, now seen corresponding path program 29 times [2021-06-11 13:34:33,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:33,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019908988] [2021-06-11 13:34:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:33,846 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,851 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,856 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:33,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019908988] [2021-06-11 13:34:33,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450942409] [2021-06-11 13:34:33,872 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:33,891 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:34:33,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:33,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:33,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:33,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:33,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:33,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:33,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:33,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:33,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,923 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:33,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:33,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:33,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:33,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:33,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:33,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:33,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:33,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:33,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:33,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:33,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:33,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:33,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:33,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:33,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:33,958 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:33,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:33,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:33,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364853606] [2021-06-11 13:34:33,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:33,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:33,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:33,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:33,968 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:33,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 1076 transitions, 30644 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:33,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:33,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:33,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:35,557 INFO L129 PetriNetUnfolder]: 1292/3400 cut-off events. [2021-06-11 13:34:35,557 INFO L130 PetriNetUnfolder]: For 147469/147471 co-relation queries the response was YES. [2021-06-11 13:34:35,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38417 conditions, 3400 events. 1292/3400 cut-off events. For 147469/147471 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 32523 event pairs, 68 based on Foata normal form. 11/3411 useless extension candidates. Maximal degree in co-relation 38081. Up to 1045 conditions per place. [2021-06-11 13:34:35,603 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 769 selfloop transitions, 394 changer transitions 1/1171 dead transitions. [2021-06-11 13:34:35,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 1171 transitions, 35312 flow [2021-06-11 13:34:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-11 13:34:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-11 13:34:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 316 transitions. [2021-06-11 13:34:35,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5064102564102564 [2021-06-11 13:34:35,605 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 316 transitions. [2021-06-11 13:34:35,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 316 transitions. [2021-06-11 13:34:35,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:35,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 316 transitions. [2021-06-11 13:34:35,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 19.75) internal successors, (316), 16 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:35,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:35,606 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:35,607 INFO L185 Difference]: Start difference. First operand has 395 places, 1076 transitions, 30644 flow. Second operand 16 states and 316 transitions. [2021-06-11 13:34:35,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 1171 transitions, 35312 flow [2021-06-11 13:34:37,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 1171 transitions, 34865 flow, removed 167 selfloop flow, removed 8 redundant places. [2021-06-11 13:34:37,143 INFO L241 Difference]: Finished difference. Result has 407 places, 1124 transitions, 32531 flow [2021-06-11 13:34:37,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=30161, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=32531, PETRI_PLACES=407, PETRI_TRANSITIONS=1124} [2021-06-11 13:34:37,145 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 386 predicate places. [2021-06-11 13:34:37,145 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:37,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 1124 transitions, 32531 flow [2021-06-11 13:34:37,145 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 1124 transitions, 32531 flow [2021-06-11 13:34:37,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 1124 transitions, 32531 flow [2021-06-11 13:34:38,117 INFO L129 PetriNetUnfolder]: 1110/3126 cut-off events. [2021-06-11 13:34:38,117 INFO L130 PetriNetUnfolder]: For 128343/128499 co-relation queries the response was YES. [2021-06-11 13:34:38,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33142 conditions, 3126 events. 1110/3126 cut-off events. For 128343/128499 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 30963 event pairs, 18 based on Foata normal form. 20/3135 useless extension candidates. Maximal degree in co-relation 32821. Up to 673 conditions per place. [2021-06-11 13:34:38,204 INFO L151 LiptonReduction]: Number of co-enabled transitions 1466 [2021-06-11 13:34:38,377 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:38,377 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:38,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1232 [2021-06-11 13:34:38,377 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 1124 transitions, 32531 flow [2021-06-11 13:34:38,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:38,377 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:38,377 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:38,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-11 13:34:38,578 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:38,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:38,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1562546901, now seen corresponding path program 30 times [2021-06-11 13:34:38,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:38,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492751472] [2021-06-11 13:34:38,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:38,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:38,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,594 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:38,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,600 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:38,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:38,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:38,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492751472] [2021-06-11 13:34:38,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079704409] [2021-06-11 13:34:38,632 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:38,651 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:34:38,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:38,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:38,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:38,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:38,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:38,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:38,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,690 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:34:38,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:34:38,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:38,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:38,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:38,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:38,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:38,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:38,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:38,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:38,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:38,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:34:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:38,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:38,725 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:38,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:38,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:38,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:38,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:38,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547557680] [2021-06-11 13:34:38,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:38,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:38,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:38,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:38,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:38,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 1124 transitions, 32531 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:38,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:38,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:38,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:41,015 INFO L129 PetriNetUnfolder]: 1297/3361 cut-off events. [2021-06-11 13:34:41,015 INFO L130 PetriNetUnfolder]: For 158738/158744 co-relation queries the response was YES. [2021-06-11 13:34:41,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39362 conditions, 3361 events. 1297/3361 cut-off events. For 158738/158744 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 31791 event pairs, 115 based on Foata normal form. 11/3372 useless extension candidates. Maximal degree in co-relation 39059. Up to 2109 conditions per place. [2021-06-11 13:34:41,082 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 912 selfloop transitions, 248 changer transitions 0/1167 dead transitions. [2021-06-11 13:34:41,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 1167 transitions, 35998 flow [2021-06-11 13:34:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:34:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:34:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 201 transitions. [2021-06-11 13:34:41,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5153846153846153 [2021-06-11 13:34:41,083 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 201 transitions. [2021-06-11 13:34:41,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 201 transitions. [2021-06-11 13:34:41,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:41,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 201 transitions. [2021-06-11 13:34:41,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.1) internal successors, (201), 10 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:41,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:41,085 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:41,085 INFO L185 Difference]: Start difference. First operand has 407 places, 1124 transitions, 32531 flow. Second operand 10 states and 201 transitions. [2021-06-11 13:34:41,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 1167 transitions, 35998 flow [2021-06-11 13:34:42,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 1167 transitions, 35737 flow, removed 106 selfloop flow, removed 5 redundant places. [2021-06-11 13:34:42,580 INFO L241 Difference]: Finished difference. Result has 413 places, 1142 transitions, 33393 flow [2021-06-11 13:34:42,581 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=32290, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=886, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=33393, PETRI_PLACES=413, PETRI_TRANSITIONS=1142} [2021-06-11 13:34:42,582 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 392 predicate places. [2021-06-11 13:34:42,582 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:42,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 1142 transitions, 33393 flow [2021-06-11 13:34:42,582 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 1142 transitions, 33393 flow [2021-06-11 13:34:42,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 1142 transitions, 33393 flow [2021-06-11 13:34:43,456 INFO L129 PetriNetUnfolder]: 1117/3124 cut-off events. [2021-06-11 13:34:43,456 INFO L130 PetriNetUnfolder]: For 129376/129526 co-relation queries the response was YES. [2021-06-11 13:34:43,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33390 conditions, 3124 events. 1117/3124 cut-off events. For 129376/129526 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 30790 event pairs, 20 based on Foata normal form. 22/3134 useless extension candidates. Maximal degree in co-relation 33096. Up to 684 conditions per place. [2021-06-11 13:34:43,519 INFO L151 LiptonReduction]: Number of co-enabled transitions 1476 [2021-06-11 13:34:43,657 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:43,657 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:43,657 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1075 [2021-06-11 13:34:43,657 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 1142 transitions, 33393 flow [2021-06-11 13:34:43,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:43,657 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:43,658 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:43,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-11 13:34:43,861 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:43,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:43,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1274532531, now seen corresponding path program 31 times [2021-06-11 13:34:43,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:43,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349819401] [2021-06-11 13:34:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:43,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:43,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:43,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:43,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:43,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349819401] [2021-06-11 13:34:43,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663014648] [2021-06-11 13:34:43,896 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:43,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:43,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:43,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:43,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:43,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:43,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:43,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:43,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:43,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:43,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:43,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:43,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:43,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:43,970 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:43,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:43,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:43,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:43,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:43,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:43,985 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:43,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:43,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:43,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:43,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:43,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:43,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:43,990 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:34:43,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:43,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:43,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:43,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:43,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046450606] [2021-06-11 13:34:43,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:43,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:43,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:43,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:43,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:43,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 1142 transitions, 33393 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:43,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:43,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:43,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:46,106 INFO L129 PetriNetUnfolder]: 1301/3409 cut-off events. [2021-06-11 13:34:46,107 INFO L130 PetriNetUnfolder]: For 161875/161930 co-relation queries the response was YES. [2021-06-11 13:34:46,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39931 conditions, 3409 events. 1301/3409 cut-off events. For 161875/161930 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 32510 event pairs, 47 based on Foata normal form. 40/3449 useless extension candidates. Maximal degree in co-relation 39662. Up to 767 conditions per place. [2021-06-11 13:34:46,167 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 582 selfloop transitions, 659 changer transitions 1/1249 dead transitions. [2021-06-11 13:34:46,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1249 transitions, 38934 flow [2021-06-11 13:34:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:34:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:34:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 403 transitions. [2021-06-11 13:34:46,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5166666666666667 [2021-06-11 13:34:46,168 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 403 transitions. [2021-06-11 13:34:46,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 403 transitions. [2021-06-11 13:34:46,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:46,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 403 transitions. [2021-06-11 13:34:46,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 20.15) internal successors, (403), 20 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:46,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 39.0) internal successors, (819), 21 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:46,170 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 39.0) internal successors, (819), 21 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:46,170 INFO L185 Difference]: Start difference. First operand has 413 places, 1142 transitions, 33393 flow. Second operand 20 states and 403 transitions. [2021-06-11 13:34:46,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1249 transitions, 38934 flow [2021-06-11 13:34:47,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 1249 transitions, 38420 flow, removed 28 selfloop flow, removed 8 redundant places. [2021-06-11 13:34:47,389 INFO L241 Difference]: Finished difference. Result has 428 places, 1172 transitions, 35789 flow [2021-06-11 13:34:47,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=32823, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=627, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=35789, PETRI_PLACES=428, PETRI_TRANSITIONS=1172} [2021-06-11 13:34:47,390 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 407 predicate places. [2021-06-11 13:34:47,390 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:47,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 1172 transitions, 35789 flow [2021-06-11 13:34:47,390 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 1172 transitions, 35789 flow [2021-06-11 13:34:47,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 1172 transitions, 35789 flow [2021-06-11 13:34:48,072 INFO L129 PetriNetUnfolder]: 1148/3202 cut-off events. [2021-06-11 13:34:48,073 INFO L130 PetriNetUnfolder]: For 148899/149005 co-relation queries the response was YES. [2021-06-11 13:34:48,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36050 conditions, 3202 events. 1148/3202 cut-off events. For 148899/149005 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 31676 event pairs, 23 based on Foata normal form. 13/3205 useless extension candidates. Maximal degree in co-relation 35795. Up to 678 conditions per place. [2021-06-11 13:34:48,145 INFO L151 LiptonReduction]: Number of co-enabled transitions 1496 [2021-06-11 13:34:48,320 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:48,320 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:48,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 930 [2021-06-11 13:34:48,321 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 1172 transitions, 35789 flow [2021-06-11 13:34:48,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:48,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:48,321 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:48,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-11 13:34:48,522 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:48,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:48,522 INFO L82 PathProgramCache]: Analyzing trace with hash 2134001707, now seen corresponding path program 32 times [2021-06-11 13:34:48,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:48,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853923092] [2021-06-11 13:34:48,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:48,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:48,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,554 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:48,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:48,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853923092] [2021-06-11 13:34:48,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111573059] [2021-06-11 13:34:48,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:48,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:34:48,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:48,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:48,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:48,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:48,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:48,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:48,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:48,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:48,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:48,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:48,628 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:48,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:48,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:48,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:48,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:48,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:48,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:48,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:48,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:48,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:34:48,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:48,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:48,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:48,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:48,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:48,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:48,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990637426] [2021-06-11 13:34:48,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:48,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:48,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:48,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:48,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:48,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 1172 transitions, 35789 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:48,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:48,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:48,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:50,248 INFO L129 PetriNetUnfolder]: 1299/3392 cut-off events. [2021-06-11 13:34:50,248 INFO L130 PetriNetUnfolder]: For 176115/176127 co-relation queries the response was YES. [2021-06-11 13:34:50,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41503 conditions, 3392 events. 1299/3392 cut-off events. For 176115/176127 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 32265 event pairs, 88 based on Foata normal form. 12/3404 useless extension candidates. Maximal degree in co-relation 41278. Up to 1478 conditions per place. [2021-06-11 13:34:50,317 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 687 selfloop transitions, 528 changer transitions 0/1222 dead transitions. [2021-06-11 13:34:50,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 1222 transitions, 39393 flow [2021-06-11 13:34:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:34:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:34:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 206 transitions. [2021-06-11 13:34:50,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5282051282051282 [2021-06-11 13:34:50,318 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 206 transitions. [2021-06-11 13:34:50,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 206 transitions. [2021-06-11 13:34:50,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:50,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 206 transitions. [2021-06-11 13:34:50,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.6) internal successors, (206), 10 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:50,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:50,319 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:50,319 INFO L185 Difference]: Start difference. First operand has 428 places, 1172 transitions, 35789 flow. Second operand 10 states and 206 transitions. [2021-06-11 13:34:50,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 1222 transitions, 39393 flow [2021-06-11 13:34:52,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 1222 transitions, 38654 flow, removed 195 selfloop flow, removed 9 redundant places. [2021-06-11 13:34:52,052 INFO L241 Difference]: Finished difference. Result has 429 places, 1176 transitions, 36380 flow [2021-06-11 13:34:52,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=35012, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=522, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=36380, PETRI_PLACES=429, PETRI_TRANSITIONS=1176} [2021-06-11 13:34:52,054 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 408 predicate places. [2021-06-11 13:34:52,054 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:52,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 1176 transitions, 36380 flow [2021-06-11 13:34:52,054 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 1176 transitions, 36380 flow [2021-06-11 13:34:52,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 1176 transitions, 36380 flow [2021-06-11 13:34:53,106 INFO L129 PetriNetUnfolder]: 1129/3140 cut-off events. [2021-06-11 13:34:53,106 INFO L130 PetriNetUnfolder]: For 143532/143675 co-relation queries the response was YES. [2021-06-11 13:34:53,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35402 conditions, 3140 events. 1129/3140 cut-off events. For 143532/143675 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 30932 event pairs, 19 based on Foata normal form. 15/3144 useless extension candidates. Maximal degree in co-relation 34947. Up to 667 conditions per place. [2021-06-11 13:34:53,206 INFO L151 LiptonReduction]: Number of co-enabled transitions 1498 [2021-06-11 13:34:53,380 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:53,381 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:53,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1327 [2021-06-11 13:34:53,381 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 1176 transitions, 36380 flow [2021-06-11 13:34:53,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:53,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:53,381 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:53,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:53,582 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:53,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1127327423, now seen corresponding path program 33 times [2021-06-11 13:34:53,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:53,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317591680] [2021-06-11 13:34:53,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:53,591 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:53,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,597 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:53,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:53,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:53,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317591680] [2021-06-11 13:34:53,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726287287] [2021-06-11 13:34:53,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:53,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:34:53,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:53,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:53,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:53,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:53,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:53,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:53,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:53,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:53,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:53,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:53,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:53,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:53,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:53,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:53,722 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:53,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:53,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:53,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:53,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:53,735 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:53,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:53,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:34:53,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504644222] [2021-06-11 13:34:53,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:34:53,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:53,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:34:53,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:34:53,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:53,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 1176 transitions, 36380 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:53,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:53,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:53,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:34:56,853 INFO L129 PetriNetUnfolder]: 1299/3386 cut-off events. [2021-06-11 13:34:56,853 INFO L130 PetriNetUnfolder]: For 173830/173842 co-relation queries the response was YES. [2021-06-11 13:34:56,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41542 conditions, 3386 events. 1299/3386 cut-off events. For 173830/173842 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32113 event pairs, 62 based on Foata normal form. 18/3404 useless extension candidates. Maximal degree in co-relation 41090. Up to 1428 conditions per place. [2021-06-11 13:34:56,923 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 682 selfloop transitions, 555 changer transitions 0/1244 dead transitions. [2021-06-11 13:34:56,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1244 transitions, 40636 flow [2021-06-11 13:34:56,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:34:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:34:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 269 transitions. [2021-06-11 13:34:56,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5305719921104537 [2021-06-11 13:34:56,924 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 269 transitions. [2021-06-11 13:34:56,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 269 transitions. [2021-06-11 13:34:56,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:34:56,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 269 transitions. [2021-06-11 13:34:56,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.692307692307693) internal successors, (269), 13 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:56,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:56,925 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:56,926 INFO L185 Difference]: Start difference. First operand has 429 places, 1176 transitions, 36380 flow. Second operand 13 states and 269 transitions. [2021-06-11 13:34:56,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1244 transitions, 40636 flow [2021-06-11 13:34:58,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 1244 transitions, 39682 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-06-11 13:34:58,575 INFO L241 Difference]: Finished difference. Result has 436 places, 1178 transitions, 36956 flow [2021-06-11 13:34:58,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=35197, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=546, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=36956, PETRI_PLACES=436, PETRI_TRANSITIONS=1178} [2021-06-11 13:34:58,577 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 415 predicate places. [2021-06-11 13:34:58,577 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:34:58,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 436 places, 1178 transitions, 36956 flow [2021-06-11 13:34:58,577 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 436 places, 1178 transitions, 36956 flow [2021-06-11 13:34:58,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 436 places, 1178 transitions, 36956 flow [2021-06-11 13:34:59,401 INFO L129 PetriNetUnfolder]: 1143/3172 cut-off events. [2021-06-11 13:34:59,401 INFO L130 PetriNetUnfolder]: For 144309/144383 co-relation queries the response was YES. [2021-06-11 13:34:59,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36091 conditions, 3172 events. 1143/3172 cut-off events. For 144309/144383 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 31147 event pairs, 20 based on Foata normal form. 8/3167 useless extension candidates. Maximal degree in co-relation 35774. Up to 687 conditions per place. [2021-06-11 13:34:59,467 INFO L151 LiptonReduction]: Number of co-enabled transitions 1508 [2021-06-11 13:34:59,646 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:34:59,646 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:34:59,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1069 [2021-06-11 13:34:59,647 INFO L480 AbstractCegarLoop]: Abstraction has has 436 places, 1178 transitions, 36956 flow [2021-06-11 13:34:59,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:59,647 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:34:59,647 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:34:59,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-06-11 13:34:59,847 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:34:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:34:59,848 INFO L82 PathProgramCache]: Analyzing trace with hash 253586743, now seen corresponding path program 34 times [2021-06-11 13:34:59,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:34:59,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277611274] [2021-06-11 13:34:59,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:34:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:34:59,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:34:59,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,859 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:34:59,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:59,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:59,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:59,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277611274] [2021-06-11 13:34:59,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938332921] [2021-06-11 13:34:59,878 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:34:59,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:34:59,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:34:59,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:34:59,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:34:59,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:59,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:59,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:34:59,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:34:59,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:59,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:34:59,942 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:34:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:34:59,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:34:59,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:59,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:59,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:59,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:34:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:34:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:34:59,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:59,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:34:59,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:59,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:34:59,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:34:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:34:59,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:34:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:34:59,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:34:59,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:34:59,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517747297] [2021-06-11 13:34:59,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:34:59,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:34:59,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:34:59,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:34:59,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:34:59,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 1178 transitions, 36956 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:34:59,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:34:59,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:34:59,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:01,611 INFO L129 PetriNetUnfolder]: 1308/3454 cut-off events. [2021-06-11 13:35:01,611 INFO L130 PetriNetUnfolder]: For 177358/177364 co-relation queries the response was YES. [2021-06-11 13:35:01,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42452 conditions, 3454 events. 1308/3454 cut-off events. For 177358/177364 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 33154 event pairs, 74 based on Foata normal form. 10/3464 useless extension candidates. Maximal degree in co-relation 42204. Up to 1436 conditions per place. [2021-06-11 13:35:01,666 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 685 selfloop transitions, 565 changer transitions 0/1257 dead transitions. [2021-06-11 13:35:01,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 1257 transitions, 41595 flow [2021-06-11 13:35:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-11 13:35:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-11 13:35:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 325 transitions. [2021-06-11 13:35:01,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5208333333333334 [2021-06-11 13:35:01,667 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 325 transitions. [2021-06-11 13:35:01,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 325 transitions. [2021-06-11 13:35:01,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:01,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 325 transitions. [2021-06-11 13:35:01,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.3125) internal successors, (325), 16 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:01,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:01,668 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:01,668 INFO L185 Difference]: Start difference. First operand has 436 places, 1178 transitions, 36956 flow. Second operand 16 states and 325 transitions. [2021-06-11 13:35:01,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 1257 transitions, 41595 flow [2021-06-11 13:35:02,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 1257 transitions, 40724 flow, removed 15 selfloop flow, removed 12 redundant places. [2021-06-11 13:35:02,999 INFO L241 Difference]: Finished difference. Result has 442 places, 1201 transitions, 38418 flow [2021-06-11 13:35:03,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=36040, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=38418, PETRI_PLACES=442, PETRI_TRANSITIONS=1201} [2021-06-11 13:35:03,000 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 421 predicate places. [2021-06-11 13:35:03,000 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:03,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 442 places, 1201 transitions, 38418 flow [2021-06-11 13:35:03,000 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 442 places, 1201 transitions, 38418 flow [2021-06-11 13:35:03,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 442 places, 1201 transitions, 38418 flow [2021-06-11 13:35:03,741 INFO L129 PetriNetUnfolder]: 1153/3239 cut-off events. [2021-06-11 13:35:03,741 INFO L130 PetriNetUnfolder]: For 154039/154126 co-relation queries the response was YES. [2021-06-11 13:35:03,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37300 conditions, 3239 events. 1153/3239 cut-off events. For 154039/154126 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 32264 event pairs, 24 based on Foata normal form. 11/3240 useless extension candidates. Maximal degree in co-relation 36906. Up to 686 conditions per place. [2021-06-11 13:35:03,837 INFO L151 LiptonReduction]: Number of co-enabled transitions 1520 [2021-06-11 13:35:04,041 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:04,041 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:04,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1041 [2021-06-11 13:35:04,041 INFO L480 AbstractCegarLoop]: Abstraction has has 442 places, 1201 transitions, 38418 flow [2021-06-11 13:35:04,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:04,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:04,042 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:04,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-06-11 13:35:04,242 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:04,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:04,242 INFO L82 PathProgramCache]: Analyzing trace with hash 419225877, now seen corresponding path program 35 times [2021-06-11 13:35:04,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:04,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982053420] [2021-06-11 13:35:04,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:04,259 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:35:04,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:35:04,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:04,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:04,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:04,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982053420] [2021-06-11 13:35:04,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511871428] [2021-06-11 13:35:04,284 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:04,304 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:35:04,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:04,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:35:04,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:04,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:04,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:04,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:04,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:04,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:04,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:04,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:04,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:04,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:04,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:35:04,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:35:04,349 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-06-11 13:35:04,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:04,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:04,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:04,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:04,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:04,353 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-06-11 13:35:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:04,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:04,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:35:04,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:04,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:04,356 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:35:04,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:35:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:04,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:04,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:35:04,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779389026] [2021-06-11 13:35:04,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:35:04,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:04,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:35:04,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:35:04,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:35:04,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 1201 transitions, 38418 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:04,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:04,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:35:04,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:06,846 INFO L129 PetriNetUnfolder]: 1305/3463 cut-off events. [2021-06-11 13:35:06,846 INFO L130 PetriNetUnfolder]: For 181940/181946 co-relation queries the response was YES. [2021-06-11 13:35:06,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42984 conditions, 3463 events. 1305/3463 cut-off events. For 181940/181946 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 33347 event pairs, 53 based on Foata normal form. 10/3473 useless extension candidates. Maximal degree in co-relation 42519. Up to 773 conditions per place. [2021-06-11 13:35:06,921 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 535 selfloop transitions, 714 changer transitions 1/1257 dead transitions. [2021-06-11 13:35:06,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1257 transitions, 42663 flow [2021-06-11 13:35:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:35:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:35:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 476 transitions. [2021-06-11 13:35:06,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5085470085470085 [2021-06-11 13:35:06,923 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 476 transitions. [2021-06-11 13:35:06,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 476 transitions. [2021-06-11 13:35:06,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:06,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 476 transitions. [2021-06-11 13:35:06,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 19.833333333333332) internal successors, (476), 24 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:06,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 39.0) internal successors, (975), 25 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:06,925 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 39.0) internal successors, (975), 25 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:06,925 INFO L185 Difference]: Start difference. First operand has 442 places, 1201 transitions, 38418 flow. Second operand 24 states and 476 transitions. [2021-06-11 13:35:06,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 1257 transitions, 42663 flow [2021-06-11 13:35:08,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 1257 transitions, 41897 flow, removed 84 selfloop flow, removed 11 redundant places. [2021-06-11 13:35:08,956 INFO L241 Difference]: Finished difference. Result has 456 places, 1204 transitions, 39642 flow [2021-06-11 13:35:08,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=37578, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=705, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=39642, PETRI_PLACES=456, PETRI_TRANSITIONS=1204} [2021-06-11 13:35:08,957 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 435 predicate places. [2021-06-11 13:35:08,957 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:08,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 1204 transitions, 39642 flow [2021-06-11 13:35:08,958 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 1204 transitions, 39642 flow [2021-06-11 13:35:08,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 1204 transitions, 39642 flow [2021-06-11 13:35:09,907 INFO L129 PetriNetUnfolder]: 1145/3220 cut-off events. [2021-06-11 13:35:09,907 INFO L130 PetriNetUnfolder]: For 150560/150636 co-relation queries the response was YES. [2021-06-11 13:35:09,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37605 conditions, 3220 events. 1145/3220 cut-off events. For 150560/150636 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 31935 event pairs, 14 based on Foata normal form. 12/3222 useless extension candidates. Maximal degree in co-relation 37151. Up to 685 conditions per place. [2021-06-11 13:35:09,978 INFO L151 LiptonReduction]: Number of co-enabled transitions 1522 [2021-06-11 13:35:10,121 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:10,122 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:10,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1165 [2021-06-11 13:35:10,122 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 1204 transitions, 39642 flow [2021-06-11 13:35:10,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:10,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:10,122 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:10,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:10,323 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:10,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:10,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1480270477, now seen corresponding path program 36 times [2021-06-11 13:35:10,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:10,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245687927] [2021-06-11 13:35:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:10,349 INFO L142 QuantifierPusher]: treesize reduction 53, result has 35.4 percent of original size [2021-06-11 13:35:10,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:10,368 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.8 percent of original size [2021-06-11 13:35:10,370 INFO L147 QuantifierPusher]: treesize reduction 8, result has 87.3 percent of original size 55 [2021-06-11 13:35:10,416 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.6 percent of original size [2021-06-11 13:35:10,417 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-06-11 13:35:10,449 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-06-11 13:35:10,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:35:10,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:10,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:10,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245687927] [2021-06-11 13:35:10,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876254893] [2021-06-11 13:35:10,504 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:10,545 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:35:10,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:10,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:35:10,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:10,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:10,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:35:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,599 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-11 13:35:10,600 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 13:35:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:10,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:10,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:10,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:10,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:10,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:10,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:10,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 39 [2021-06-11 13:35:10,682 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 13:35:10,683 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-11 13:35:10,683 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:35:10,684 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,685 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:35:10,686 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,686 INFO L142 QuantifierPusher]: treesize reduction 24, result has 46.7 percent of original size [2021-06-11 13:35:10,694 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.3 percent of original size 24 [2021-06-11 13:35:10,694 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-11 13:35:10,694 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:35:10,695 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:35:10,697 INFO L147 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size 33 [2021-06-11 13:35:10,698 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-06-11 13:35:10,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:10,699 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 3 xjuncts. [2021-06-11 13:35:10,714 INFO L628 ElimStorePlain]: treesize reduction 19, result has 48.6 percent of original size [2021-06-11 13:35:10,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,715 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:35:10,716 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,717 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:35:10,718 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:35:10,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:10,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2021-06-11 13:35:10,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:35:10,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:10,741 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:35:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:10,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:10,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,745 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:35:10,746 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:10,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-06-11 13:35:10,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:10,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:10,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:10,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:10,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:10,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:10,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:35:10,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968410169] [2021-06-11 13:35:10,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:35:10,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:10,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:35:10,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:35:10,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:10,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 1204 transitions, 39642 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:10,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:10,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:10,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:13,235 INFO L129 PetriNetUnfolder]: 1348/3550 cut-off events. [2021-06-11 13:35:13,235 INFO L130 PetriNetUnfolder]: For 183304/183306 co-relation queries the response was YES. [2021-06-11 13:35:13,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44742 conditions, 3550 events. 1348/3550 cut-off events. For 183304/183306 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 34201 event pairs, 61 based on Foata normal form. 6/3556 useless extension candidates. Maximal degree in co-relation 44121. Up to 1996 conditions per place. [2021-06-11 13:35:13,429 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 838 selfloop transitions, 417 changer transitions 0/1261 dead transitions. [2021-06-11 13:35:13,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 1261 transitions, 43567 flow [2021-06-11 13:35:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:35:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:35:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 336 transitions. [2021-06-11 13:35:13,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4534412955465587 [2021-06-11 13:35:13,430 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 336 transitions. [2021-06-11 13:35:13,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 336 transitions. [2021-06-11 13:35:13,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:13,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 336 transitions. [2021-06-11 13:35:13,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 17.68421052631579) internal successors, (336), 19 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:13,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 39.0) internal successors, (780), 20 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:13,432 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 39.0) internal successors, (780), 20 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:13,432 INFO L185 Difference]: Start difference. First operand has 455 places, 1204 transitions, 39642 flow. Second operand 19 states and 336 transitions. [2021-06-11 13:35:13,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 1261 transitions, 43567 flow [2021-06-11 13:35:15,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 1261 transitions, 42334 flow, removed 84 selfloop flow, removed 14 redundant places. [2021-06-11 13:35:15,128 INFO L241 Difference]: Finished difference. Result has 465 places, 1240 transitions, 40254 flow [2021-06-11 13:35:15,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=38420, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=389, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=801, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=40254, PETRI_PLACES=465, PETRI_TRANSITIONS=1240} [2021-06-11 13:35:15,129 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 444 predicate places. [2021-06-11 13:35:15,129 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:15,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 465 places, 1240 transitions, 40254 flow [2021-06-11 13:35:15,130 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 465 places, 1240 transitions, 40254 flow [2021-06-11 13:35:15,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 465 places, 1240 transitions, 40254 flow [2021-06-11 13:35:15,950 INFO L129 PetriNetUnfolder]: 1178/3269 cut-off events. [2021-06-11 13:35:15,951 INFO L130 PetriNetUnfolder]: For 153121/153193 co-relation queries the response was YES. [2021-06-11 13:35:15,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38397 conditions, 3269 events. 1178/3269 cut-off events. For 153121/153193 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 32456 event pairs, 18 based on Foata normal form. 13/3273 useless extension candidates. Maximal degree in co-relation 37934. Up to 702 conditions per place. [2021-06-11 13:35:16,030 INFO L151 LiptonReduction]: Number of co-enabled transitions 1552 [2021-06-11 13:35:16,232 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:16,232 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:16,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1103 [2021-06-11 13:35:16,232 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 1240 transitions, 40254 flow [2021-06-11 13:35:16,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:16,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:16,232 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:16,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-11 13:35:16,434 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:16,434 INFO L82 PathProgramCache]: Analyzing trace with hash 532126527, now seen corresponding path program 37 times [2021-06-11 13:35:16,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:16,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282483855] [2021-06-11 13:35:16,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:16,460 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-06-11 13:35:16,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:16,490 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-06-11 13:35:16,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:35:16,539 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-06-11 13:35:16,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:35:16,573 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-06-11 13:35:16,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:35:16,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,612 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:35:16,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:16,623 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:16,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:16,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282483855] [2021-06-11 13:35:16,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255960640] [2021-06-11 13:35:16,633 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:16,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:35:16,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:16,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,673 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 13:35:16,673 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:35:16,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,690 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 13:35:16,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:16,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:16,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:16,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:16,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:16,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:16,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:16,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:16,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:16,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:16,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 13:35:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:16,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:16,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:16,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:16,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:16,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:16,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:16,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:16,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:16,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:16,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:35:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:16,766 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:35:16,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:16,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:16,772 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:35:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:16,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:16,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:16,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:16,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:35:16,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979755533] [2021-06-11 13:35:16,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:35:16,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:16,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:35:16,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:35:16,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:16,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1240 transitions, 40254 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:16,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:16,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:16,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:18,931 INFO L129 PetriNetUnfolder]: 1359/3581 cut-off events. [2021-06-11 13:35:18,931 INFO L130 PetriNetUnfolder]: For 182719/182721 co-relation queries the response was YES. [2021-06-11 13:35:18,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45465 conditions, 3581 events. 1359/3581 cut-off events. For 182719/182721 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34609 event pairs, 101 based on Foata normal form. 6/3587 useless extension candidates. Maximal degree in co-relation 44835. Up to 2727 conditions per place. [2021-06-11 13:35:19,003 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1206 selfloop transitions, 50 changer transitions 7/1269 dead transitions. [2021-06-11 13:35:19,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1269 transitions, 43921 flow [2021-06-11 13:35:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:35:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:35:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 226 transitions. [2021-06-11 13:35:19,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4457593688362919 [2021-06-11 13:35:19,004 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 226 transitions. [2021-06-11 13:35:19,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 226 transitions. [2021-06-11 13:35:19,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:19,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 226 transitions. [2021-06-11 13:35:19,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.384615384615383) internal successors, (226), 13 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:19,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:19,005 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:19,005 INFO L185 Difference]: Start difference. First operand has 465 places, 1240 transitions, 40254 flow. Second operand 13 states and 226 transitions. [2021-06-11 13:35:19,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1269 transitions, 43921 flow [2021-06-11 13:35:20,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1269 transitions, 43277 flow, removed 242 selfloop flow, removed 6 redundant places. [2021-06-11 13:35:20,665 INFO L241 Difference]: Finished difference. Result has 474 places, 1256 transitions, 40577 flow [2021-06-11 13:35:20,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=39615, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=40577, PETRI_PLACES=474, PETRI_TRANSITIONS=1256} [2021-06-11 13:35:20,667 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 453 predicate places. [2021-06-11 13:35:20,667 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:20,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 1256 transitions, 40577 flow [2021-06-11 13:35:20,667 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 1256 transitions, 40577 flow [2021-06-11 13:35:20,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 1256 transitions, 40577 flow [2021-06-11 13:35:21,476 INFO L129 PetriNetUnfolder]: 1188/3309 cut-off events. [2021-06-11 13:35:21,477 INFO L130 PetriNetUnfolder]: For 151197/151273 co-relation queries the response was YES. [2021-06-11 13:35:21,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38911 conditions, 3309 events. 1188/3309 cut-off events. For 151197/151273 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 33018 event pairs, 19 based on Foata normal form. 10/3307 useless extension candidates. Maximal degree in co-relation 38447. Up to 701 conditions per place. [2021-06-11 13:35:21,571 INFO L151 LiptonReduction]: Number of co-enabled transitions 1582 [2021-06-11 13:35:21,777 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:21,777 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:21,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1110 [2021-06-11 13:35:21,778 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 1256 transitions, 40577 flow [2021-06-11 13:35:21,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:21,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:21,778 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:21,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:21,978 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:21,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:21,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1850004881, now seen corresponding path program 4 times [2021-06-11 13:35:21,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:21,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534902613] [2021-06-11 13:35:21,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:21,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:21,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:22,015 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-06-11 13:35:22,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:35:22,074 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-06-11 13:35:22,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:35:22,108 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:35:22,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:22,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:22,130 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:22,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534902613] [2021-06-11 13:35:22,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26293547] [2021-06-11 13:35:22,141 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:22,189 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:35:22,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:22,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:35:22,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:22,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:22,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:22,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:22,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:22,280 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 13:35:22,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:35:22,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:22,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:35:22,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:22,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:22,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:22,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:22,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:22,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:35:22,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:35:22,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:22,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:22,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:22,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:35:22,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:22,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:22,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:35:22,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:22,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:22,361 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:35:22,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:22,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:22,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:22,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:22,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:22,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:35:22,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891049549] [2021-06-11 13:35:22,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:35:22,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:22,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:35:22,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:35:22,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:22,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 1256 transitions, 40577 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:22,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:22,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:22,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:24,187 INFO L129 PetriNetUnfolder]: 1372/3616 cut-off events. [2021-06-11 13:35:24,187 INFO L130 PetriNetUnfolder]: For 179682/179704 co-relation queries the response was YES. [2021-06-11 13:35:24,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45622 conditions, 3616 events. 1372/3616 cut-off events. For 179682/179704 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34944 event pairs, 92 based on Foata normal form. 20/3636 useless extension candidates. Maximal degree in co-relation 44991. Up to 2755 conditions per place. [2021-06-11 13:35:24,263 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1219 selfloop transitions, 53 changer transitions 2/1280 dead transitions. [2021-06-11 13:35:24,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 1280 transitions, 43677 flow [2021-06-11 13:35:24,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:35:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:35:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 184 transitions. [2021-06-11 13:35:24,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4717948717948718 [2021-06-11 13:35:24,264 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 184 transitions. [2021-06-11 13:35:24,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 184 transitions. [2021-06-11 13:35:24,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:24,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 184 transitions. [2021-06-11 13:35:24,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.4) internal successors, (184), 10 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:24,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:24,265 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:24,265 INFO L185 Difference]: Start difference. First operand has 474 places, 1256 transitions, 40577 flow. Second operand 10 states and 184 transitions. [2021-06-11 13:35:24,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 1280 transitions, 43677 flow [2021-06-11 13:35:25,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 1280 transitions, 43520 flow, removed 46 selfloop flow, removed 8 redundant places. [2021-06-11 13:35:25,993 INFO L241 Difference]: Finished difference. Result has 477 places, 1271 transitions, 40912 flow [2021-06-11 13:35:25,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=40420, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=40912, PETRI_PLACES=477, PETRI_TRANSITIONS=1271} [2021-06-11 13:35:25,994 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 456 predicate places. [2021-06-11 13:35:25,994 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:25,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 477 places, 1271 transitions, 40912 flow [2021-06-11 13:35:25,995 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 477 places, 1271 transitions, 40912 flow [2021-06-11 13:35:26,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 1271 transitions, 40912 flow [2021-06-11 13:35:26,887 INFO L129 PetriNetUnfolder]: 1204/3347 cut-off events. [2021-06-11 13:35:26,887 INFO L130 PetriNetUnfolder]: For 153193/153293 co-relation queries the response was YES. [2021-06-11 13:35:26,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39473 conditions, 3347 events. 1204/3347 cut-off events. For 153193/153293 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 33293 event pairs, 20 based on Foata normal form. 16/3348 useless extension candidates. Maximal degree in co-relation 39006. Up to 706 conditions per place. [2021-06-11 13:35:26,960 INFO L151 LiptonReduction]: Number of co-enabled transitions 1590 [2021-06-11 13:35:27,142 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:27,142 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:27,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1148 [2021-06-11 13:35:27,143 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 1271 transitions, 40912 flow [2021-06-11 13:35:27,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:27,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:27,143 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:27,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:27,343 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:27,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1452041599, now seen corresponding path program 5 times [2021-06-11 13:35:27,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:27,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79199148] [2021-06-11 13:35:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:27,389 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-06-11 13:35:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:35:27,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:35:27,499 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:35:27,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:27,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:27,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:27,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79199148] [2021-06-11 13:35:27,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518175058] [2021-06-11 13:35:27,534 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:27,557 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:35:27,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:27,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:35:27,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:27,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:27,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:27,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:27,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:27,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,567 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 13:35:27,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:35:27,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:27,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:27,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:27,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:27,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,635 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-06-11 13:35:27,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:27,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:27,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,664 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:35:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:27,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:27,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:35:27,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:35:27,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:27,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:27,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:27,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:27,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:27,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:27,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:35:27,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:27,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:27,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:35:27,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:27,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:27,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:35:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:27,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:27,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:27,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:35:27,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867185617] [2021-06-11 13:35:27,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:35:27,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:27,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:35:27,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:35:27,709 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:27,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 1271 transitions, 40912 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:27,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:27,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:27,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:29,823 INFO L129 PetriNetUnfolder]: 1396/3680 cut-off events. [2021-06-11 13:35:29,823 INFO L130 PetriNetUnfolder]: For 184783/184795 co-relation queries the response was YES. [2021-06-11 13:35:29,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46654 conditions, 3680 events. 1396/3680 cut-off events. For 184783/184795 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35653 event pairs, 115 based on Foata normal form. 15/3695 useless extension candidates. Maximal degree in co-relation 46002. Up to 2798 conditions per place. [2021-06-11 13:35:29,901 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1252 selfloop transitions, 53 changer transitions 0/1311 dead transitions. [2021-06-11 13:35:29,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 1311 transitions, 44706 flow [2021-06-11 13:35:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:35:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:35:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2021-06-11 13:35:29,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2021-06-11 13:35:29,902 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 180 transitions. [2021-06-11 13:35:29,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 180 transitions. [2021-06-11 13:35:29,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:29,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 180 transitions. [2021-06-11 13:35:29,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:29,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:29,903 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:29,903 INFO L185 Difference]: Start difference. First operand has 477 places, 1271 transitions, 40912 flow. Second operand 10 states and 180 transitions. [2021-06-11 13:35:29,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 1311 transitions, 44706 flow [2021-06-11 13:35:31,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 1311 transitions, 44611 flow, removed 27 selfloop flow, removed 4 redundant places. [2021-06-11 13:35:31,675 INFO L241 Difference]: Finished difference. Result has 486 places, 1301 transitions, 41963 flow [2021-06-11 13:35:31,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=40817, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=41963, PETRI_PLACES=486, PETRI_TRANSITIONS=1301} [2021-06-11 13:35:31,676 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 465 predicate places. [2021-06-11 13:35:31,676 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:31,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 1301 transitions, 41963 flow [2021-06-11 13:35:31,677 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 1301 transitions, 41963 flow [2021-06-11 13:35:31,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 1301 transitions, 41963 flow [2021-06-11 13:35:32,555 INFO L129 PetriNetUnfolder]: 1224/3395 cut-off events. [2021-06-11 13:35:32,555 INFO L130 PetriNetUnfolder]: For 156825/156921 co-relation queries the response was YES. [2021-06-11 13:35:32,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40370 conditions, 3395 events. 1224/3395 cut-off events. For 156825/156921 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 33940 event pairs, 20 based on Foata normal form. 19/3399 useless extension candidates. Maximal degree in co-relation 39877. Up to 711 conditions per place. [2021-06-11 13:35:32,638 INFO L151 LiptonReduction]: Number of co-enabled transitions 1658 [2021-06-11 13:35:32,853 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:32,853 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:32,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-06-11 13:35:32,854 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 1301 transitions, 41963 flow [2021-06-11 13:35:32,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:32,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:32,854 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:33,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:33,054 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:33,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:33,055 INFO L82 PathProgramCache]: Analyzing trace with hash -887258657, now seen corresponding path program 6 times [2021-06-11 13:35:33,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:33,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145384790] [2021-06-11 13:35:33,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:33,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:33,096 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-06-11 13:35:33,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:35:33,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:35:33,194 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:35:33,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:33,207 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 13:35:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,218 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:33,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:33,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145384790] [2021-06-11 13:35:33,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014751478] [2021-06-11 13:35:33,227 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:33,246 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:35:33,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:33,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:35:33,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:33,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,265 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 13:35:33,265 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:35:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:33,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:33,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:35:33,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,307 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-06-11 13:35:33,307 INFO L142 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size [2021-06-11 13:35:33,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:33,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:33,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:33,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:33,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:33,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:33,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,332 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:35:33,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:33,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:33,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:35:33,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:35:33,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:33,357 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-06-11 13:35:33,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:35:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:33,359 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:35:33,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:35:33,360 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:35:33,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,370 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:35:33,370 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,371 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:35:33,372 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:35:33,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:33,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2021-06-11 13:35:33,377 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:35:33,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:33,403 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:35:33,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:33,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:33,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:33,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,406 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:35:33,408 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:33,409 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-06-11 13:35:33,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:33,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:33,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:33,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:33,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:33,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:33,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:35:33,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593604125] [2021-06-11 13:35:33,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:35:33,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:33,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:35:33,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:35:33,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:33,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 1301 transitions, 41963 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:33,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:33,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:33,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:35,744 INFO L129 PetriNetUnfolder]: 1420/3728 cut-off events. [2021-06-11 13:35:35,745 INFO L130 PetriNetUnfolder]: For 191510/191512 co-relation queries the response was YES. [2021-06-11 13:35:35,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47749 conditions, 3728 events. 1420/3728 cut-off events. For 191510/191512 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36167 event pairs, 118 based on Foata normal form. 5/3733 useless extension candidates. Maximal degree in co-relation 47088. Up to 2815 conditions per place. [2021-06-11 13:35:35,806 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1256 selfloop transitions, 68 changer transitions 0/1330 dead transitions. [2021-06-11 13:35:35,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 1330 transitions, 45399 flow [2021-06-11 13:35:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:35:35,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:35:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-06-11 13:35:35,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46923076923076923 [2021-06-11 13:35:35,807 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-06-11 13:35:35,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-06-11 13:35:35,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:35,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-06-11 13:35:35,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:35,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:35,808 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:35,808 INFO L185 Difference]: Start difference. First operand has 486 places, 1301 transitions, 41963 flow. Second operand 10 states and 183 transitions. [2021-06-11 13:35:35,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 1330 transitions, 45399 flow [2021-06-11 13:35:37,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 1330 transitions, 45268 flow, removed 37 selfloop flow, removed 5 redundant places. [2021-06-11 13:35:37,434 INFO L241 Difference]: Finished difference. Result has 492 places, 1318 transitions, 42474 flow [2021-06-11 13:35:37,434 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=41832, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=42474, PETRI_PLACES=492, PETRI_TRANSITIONS=1318} [2021-06-11 13:35:37,435 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 471 predicate places. [2021-06-11 13:35:37,435 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:37,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 1318 transitions, 42474 flow [2021-06-11 13:35:37,435 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 1318 transitions, 42474 flow [2021-06-11 13:35:37,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 1318 transitions, 42474 flow [2021-06-11 13:35:38,256 INFO L129 PetriNetUnfolder]: 1247/3445 cut-off events. [2021-06-11 13:35:38,256 INFO L130 PetriNetUnfolder]: For 162679/162813 co-relation queries the response was YES. [2021-06-11 13:35:38,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41357 conditions, 3445 events. 1247/3445 cut-off events. For 162679/162813 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 34380 event pairs, 19 based on Foata normal form. 18/3445 useless extension candidates. Maximal degree in co-relation 40933. Up to 738 conditions per place. [2021-06-11 13:35:38,340 INFO L151 LiptonReduction]: Number of co-enabled transitions 1688 [2021-06-11 13:35:38,562 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:38,562 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:38,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1127 [2021-06-11 13:35:38,562 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 1318 transitions, 42474 flow [2021-06-11 13:35:38,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:38,562 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:38,562 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:38,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:38,763 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:38,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:38,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1425431279, now seen corresponding path program 7 times [2021-06-11 13:35:38,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:38,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427951727] [2021-06-11 13:35:38,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:38,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:38,799 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-06-11 13:35:38,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:35:38,856 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-06-11 13:35:38,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:35:38,896 INFO L142 QuantifierPusher]: treesize reduction 99, result has 27.2 percent of original size [2021-06-11 13:35:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:35:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:38,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:38,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:38,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427951727] [2021-06-11 13:35:38,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336451808] [2021-06-11 13:35:38,948 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:38,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:35:38,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:38,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:38,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:38,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,986 INFO L147 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size 23 [2021-06-11 13:35:38,986 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-06-11 13:35:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:39,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,007 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-06-11 13:35:39,007 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 13:35:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:39,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:39,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:39,030 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 13:35:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:35:39,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:35:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:39,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,056 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 13:35:39,056 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 13:35:39,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,081 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:35:39,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:39,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:39,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:39,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:39,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:35:39,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:39,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:35:39,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:39,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:39,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:39,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:39,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:35:39,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:39,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:39,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:35:39,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:39,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:39,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:35:39,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:39,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:39,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:39,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:39,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:39,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:35:39,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068276101] [2021-06-11 13:35:39,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:35:39,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:39,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:35:39,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:35:39,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:39,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 1318 transitions, 42474 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:39,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:39,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:39,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:41,108 INFO L129 PetriNetUnfolder]: 1425/3745 cut-off events. [2021-06-11 13:35:41,109 INFO L130 PetriNetUnfolder]: For 196800/196860 co-relation queries the response was YES. [2021-06-11 13:35:41,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48368 conditions, 3745 events. 1425/3745 cut-off events. For 196800/196860 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 36373 event pairs, 121 based on Foata normal form. 51/3796 useless extension candidates. Maximal degree in co-relation 47700. Up to 2866 conditions per place. [2021-06-11 13:35:41,175 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1293 selfloop transitions, 29 changer transitions 3/1331 dead transitions. [2021-06-11 13:35:41,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 1331 transitions, 45534 flow [2021-06-11 13:35:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:35:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:35:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 174 transitions. [2021-06-11 13:35:41,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4461538461538462 [2021-06-11 13:35:41,176 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 174 transitions. [2021-06-11 13:35:41,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 174 transitions. [2021-06-11 13:35:41,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:41,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 174 transitions. [2021-06-11 13:35:41,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:41,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:41,177 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:41,177 INFO L185 Difference]: Start difference. First operand has 492 places, 1318 transitions, 42474 flow. Second operand 10 states and 174 transitions. [2021-06-11 13:35:41,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 1331 transitions, 45534 flow [2021-06-11 13:35:42,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1331 transitions, 45400 flow, removed 38 selfloop flow, removed 8 redundant places. [2021-06-11 13:35:42,987 INFO L241 Difference]: Finished difference. Result has 496 places, 1326 transitions, 42691 flow [2021-06-11 13:35:42,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=42340, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=42691, PETRI_PLACES=496, PETRI_TRANSITIONS=1326} [2021-06-11 13:35:42,988 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 475 predicate places. [2021-06-11 13:35:42,988 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:42,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 1326 transitions, 42691 flow [2021-06-11 13:35:42,988 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 1326 transitions, 42691 flow [2021-06-11 13:35:43,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 1326 transitions, 42691 flow [2021-06-11 13:35:43,947 INFO L129 PetriNetUnfolder]: 1251/3466 cut-off events. [2021-06-11 13:35:43,947 INFO L130 PetriNetUnfolder]: For 164209/164335 co-relation queries the response was YES. [2021-06-11 13:35:43,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41774 conditions, 3466 events. 1251/3466 cut-off events. For 164209/164335 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 34767 event pairs, 19 based on Foata normal form. 15/3466 useless extension candidates. Maximal degree in co-relation 41271. Up to 744 conditions per place. [2021-06-11 13:35:44,027 INFO L151 LiptonReduction]: Number of co-enabled transitions 1704 [2021-06-11 13:35:44,232 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:44,232 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:44,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1244 [2021-06-11 13:35:44,232 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 1326 transitions, 42691 flow [2021-06-11 13:35:44,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:44,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:44,233 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:44,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-11 13:35:44,433 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:44,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:44,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1616288085, now seen corresponding path program 38 times [2021-06-11 13:35:44,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:44,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351190346] [2021-06-11 13:35:44,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:44,462 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-06-11 13:35:44,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:44,482 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-06-11 13:35:44,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:35:44,529 INFO L142 QuantifierPusher]: treesize reduction 32, result has 71.9 percent of original size [2021-06-11 13:35:44,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 13:35:44,598 INFO L142 QuantifierPusher]: treesize reduction 28, result has 69.9 percent of original size [2021-06-11 13:35:44,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:35:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:44,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:35:44,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:44,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:44,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:44,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351190346] [2021-06-11 13:35:44,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578071981] [2021-06-11 13:35:44,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:44,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:35:44,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:44,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:35:44,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:44,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,743 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 13:35:44,744 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:35:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:44,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,765 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-06-11 13:35:44,766 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-06-11 13:35:44,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:44,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:44,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:44,788 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:35:44,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:44,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:44,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:44,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:44,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:44,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:44,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:44,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:44,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:44,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:44,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:35:44,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:44,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:44,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:44,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:44,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:35:44,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:44,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:44,866 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:35:44,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:44,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:44,872 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:35:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:44,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:44,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:44,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:44,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:35:44,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174547677] [2021-06-11 13:35:44,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:35:44,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:44,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:35:44,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:35:44,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:44,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1326 transitions, 42691 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:44,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:44,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:44,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:47,265 INFO L129 PetriNetUnfolder]: 1435/3784 cut-off events. [2021-06-11 13:35:47,265 INFO L130 PetriNetUnfolder]: For 199178/199238 co-relation queries the response was YES. [2021-06-11 13:35:47,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49108 conditions, 3784 events. 1435/3784 cut-off events. For 199178/199238 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 36931 event pairs, 122 based on Foata normal form. 52/3836 useless extension candidates. Maximal degree in co-relation 48608. Up to 2875 conditions per place. [2021-06-11 13:35:47,335 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1293 selfloop transitions, 54 changer transitions 0/1353 dead transitions. [2021-06-11 13:35:47,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 1353 transitions, 46469 flow [2021-06-11 13:35:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:35:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:35:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 196 transitions. [2021-06-11 13:35:47,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4568764568764569 [2021-06-11 13:35:47,336 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 196 transitions. [2021-06-11 13:35:47,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 196 transitions. [2021-06-11 13:35:47,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:47,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 196 transitions. [2021-06-11 13:35:47,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 17.818181818181817) internal successors, (196), 11 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:47,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:47,337 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:47,337 INFO L185 Difference]: Start difference. First operand has 496 places, 1326 transitions, 42691 flow. Second operand 11 states and 196 transitions. [2021-06-11 13:35:47,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 1353 transitions, 46469 flow [2021-06-11 13:35:49,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 1353 transitions, 46423 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-06-11 13:35:49,202 INFO L241 Difference]: Finished difference. Result has 506 places, 1345 transitions, 43631 flow [2021-06-11 13:35:49,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=42645, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=43631, PETRI_PLACES=506, PETRI_TRANSITIONS=1345} [2021-06-11 13:35:49,202 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 485 predicate places. [2021-06-11 13:35:49,203 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:49,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1345 transitions, 43631 flow [2021-06-11 13:35:49,203 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1345 transitions, 43631 flow [2021-06-11 13:35:49,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 506 places, 1345 transitions, 43631 flow [2021-06-11 13:35:50,103 INFO L129 PetriNetUnfolder]: 1263/3500 cut-off events. [2021-06-11 13:35:50,103 INFO L130 PetriNetUnfolder]: For 168852/168981 co-relation queries the response was YES. [2021-06-11 13:35:50,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42673 conditions, 3500 events. 1263/3500 cut-off events. For 168852/168981 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35232 event pairs, 19 based on Foata normal form. 16/3500 useless extension candidates. Maximal degree in co-relation 42164. Up to 757 conditions per place. [2021-06-11 13:35:50,186 INFO L151 LiptonReduction]: Number of co-enabled transitions 1744 [2021-06-11 13:35:50,415 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:50,415 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:50,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1212 [2021-06-11 13:35:50,415 INFO L480 AbstractCegarLoop]: Abstraction has has 506 places, 1345 transitions, 43631 flow [2021-06-11 13:35:50,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:50,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:50,416 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:50,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-06-11 13:35:50,616 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:50,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:50,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1289781977, now seen corresponding path program 8 times [2021-06-11 13:35:50,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:50,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963967841] [2021-06-11 13:35:50,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:50,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:50,641 INFO L142 QuantifierPusher]: treesize reduction 28, result has 60.6 percent of original size [2021-06-11 13:35:50,641 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size 40 [2021-06-11 13:35:50,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:35:50,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:50,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:35:50,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:50,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963967841] [2021-06-11 13:35:50,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917820761] [2021-06-11 13:35:50,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:50,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:35:50,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:50,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:35:50,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:50,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:50,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:50,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:50,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:50,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:50,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,812 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:35:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:50,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:35:50,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,840 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-06-11 13:35:50,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:50,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:35:50,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:50,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:35:50,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:50,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:35:50,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:50,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:35:50,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:35:50,877 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-06-11 13:35:50,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:35:50,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:35:50,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:35:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:35:50,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:35:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:50,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:35:50,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:35:50,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:35:50,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:50,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:50,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:50,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:35:50,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:35:50,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:50,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:35:50,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:35:50,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:35:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:50,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:35:50,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:50,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:50,936 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:35:50,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:50,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:50,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:50,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:50,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:50,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 13:35:50,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514482422] [2021-06-11 13:35:50,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:35:50,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:50,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:35:50,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:35:50,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 39 [2021-06-11 13:35:50,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 1345 transitions, 43631 flow. Second operand has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:50,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:50,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 39 [2021-06-11 13:35:50,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:53,256 INFO L129 PetriNetUnfolder]: 1460/3845 cut-off events. [2021-06-11 13:35:53,256 INFO L130 PetriNetUnfolder]: For 206474/206500 co-relation queries the response was YES. [2021-06-11 13:35:53,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50394 conditions, 3845 events. 1460/3845 cut-off events. For 206474/206500 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 37649 event pairs, 119 based on Foata normal form. 22/3867 useless extension candidates. Maximal degree in co-relation 49611. Up to 2901 conditions per place. [2021-06-11 13:35:53,324 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1296 selfloop transitions, 86 changer transitions 0/1388 dead transitions. [2021-06-11 13:35:53,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 1388 transitions, 47842 flow [2021-06-11 13:35:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:35:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:35:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 229 transitions. [2021-06-11 13:35:53,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4893162393162393 [2021-06-11 13:35:53,325 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 229 transitions. [2021-06-11 13:35:53,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 229 transitions. [2021-06-11 13:35:53,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:35:53,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 229 transitions. [2021-06-11 13:35:53,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 19.083333333333332) internal successors, (229), 12 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:53,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:53,326 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:53,326 INFO L185 Difference]: Start difference. First operand has 506 places, 1345 transitions, 43631 flow. Second operand 12 states and 229 transitions. [2021-06-11 13:35:53,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 1388 transitions, 47842 flow [2021-06-11 13:35:55,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 1388 transitions, 47697 flow, removed 39 selfloop flow, removed 4 redundant places. [2021-06-11 13:35:55,278 INFO L241 Difference]: Finished difference. Result has 518 places, 1376 transitions, 44918 flow [2021-06-11 13:35:55,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=43486, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=44918, PETRI_PLACES=518, PETRI_TRANSITIONS=1376} [2021-06-11 13:35:55,279 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 497 predicate places. [2021-06-11 13:35:55,280 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:35:55,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 518 places, 1376 transitions, 44918 flow [2021-06-11 13:35:55,280 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 518 places, 1376 transitions, 44918 flow [2021-06-11 13:35:55,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 518 places, 1376 transitions, 44918 flow [2021-06-11 13:35:56,183 INFO L129 PetriNetUnfolder]: 1284/3558 cut-off events. [2021-06-11 13:35:56,183 INFO L130 PetriNetUnfolder]: For 174703/174845 co-relation queries the response was YES. [2021-06-11 13:35:56,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43848 conditions, 3558 events. 1284/3558 cut-off events. For 174703/174845 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35866 event pairs, 21 based on Foata normal form. 21/3561 useless extension candidates. Maximal degree in co-relation 43485. Up to 767 conditions per place. [2021-06-11 13:35:56,268 INFO L151 LiptonReduction]: Number of co-enabled transitions 1830 [2021-06-11 13:35:56,523 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:35:56,524 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:35:56,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1244 [2021-06-11 13:35:56,524 INFO L480 AbstractCegarLoop]: Abstraction has has 518 places, 1376 transitions, 44918 flow [2021-06-11 13:35:56,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:56,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:35:56,524 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:35:56,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-11 13:35:56,725 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:35:56,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:35:56,725 INFO L82 PathProgramCache]: Analyzing trace with hash -455078067, now seen corresponding path program 9 times [2021-06-11 13:35:56,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:35:56,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778331200] [2021-06-11 13:35:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:35:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:35:56,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:35:56,768 INFO L142 QuantifierPusher]: treesize reduction 82, result has 44.6 percent of original size [2021-06-11 13:35:56,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:35:56,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:35:56,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:35:56,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:35:56,911 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:35:56,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:56,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778331200] [2021-06-11 13:35:56,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244085249] [2021-06-11 13:35:56,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:35:56,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:35:56,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:35:56,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:35:56,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:35:56,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:56,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:56,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:35:56,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:35:56,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:56,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,959 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-06-11 13:35:56,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 13:35:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:56,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:56,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:56,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,974 INFO L147 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size 32 [2021-06-11 13:35:56,975 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-06-11 13:35:56,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:56,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:56,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,000 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 13:35:57,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:35:57,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:35:57,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:35:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:35:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:35:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:35:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:35:57,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:35:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:35:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:57,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:35:57,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:35:57,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:35:57,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:35:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:35:57,109 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-06-11 13:35:57,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,110 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:35:57,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,112 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-06-11 13:35:57,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:57,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:57,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:57,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-11 13:35:57,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,136 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:35:57,137 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,138 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:35:57,138 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:35:57,140 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-06-11 13:35:57,141 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,142 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-06-11 13:35:57,143 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.7 percent of original size 76 [2021-06-11 13:35:57,144 INFO L147 QuantifierPusher]: treesize reduction 49, result has 44.9 percent of original size 40 [2021-06-11 13:35:57,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:35:57,144 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:89 [2021-06-11 13:35:57,145 INFO L142 QuantifierPusher]: treesize reduction 49, result has 44.9 percent of original size [2021-06-11 13:35:57,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:35:57,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:35:57,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:57,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:57,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:57,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:35:57,199 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 13:35:57,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:35:57,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:35:57,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,204 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-06-11 13:35:57,204 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:35:57,207 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-06-11 13:35:57,208 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:35:57,208 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-06-11 13:35:57,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:57,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:57,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:35:57,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:35:57,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:35:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:35:57,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:35:57,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-06-11 13:35:57,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374491511] [2021-06-11 13:35:57,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:35:57,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:35:57,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:35:57,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:35:57,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:35:57,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 1376 transitions, 44918 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:35:57,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:35:57,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:35:57,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:35:59,937 INFO L129 PetriNetUnfolder]: 1464/3857 cut-off events. [2021-06-11 13:35:59,938 INFO L130 PetriNetUnfolder]: For 210855/210881 co-relation queries the response was YES. [2021-06-11 13:35:59,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50969 conditions, 3857 events. 1464/3857 cut-off events. For 210855/210881 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 37828 event pairs, 119 based on Foata normal form. 27/3884 useless extension candidates. Maximal degree in co-relation 50649. Up to 2911 conditions per place. [2021-06-11 13:36:00,012 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1294 selfloop transitions, 89 changer transitions 0/1389 dead transitions. [2021-06-11 13:36:00,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 1389 transitions, 48050 flow [2021-06-11 13:36:00,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:36:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:36:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 314 transitions. [2021-06-11 13:36:00,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4472934472934473 [2021-06-11 13:36:00,013 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 314 transitions. [2021-06-11 13:36:00,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 314 transitions. [2021-06-11 13:36:00,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:00,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 314 transitions. [2021-06-11 13:36:00,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 17.444444444444443) internal successors, (314), 18 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:00,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 39.0) internal successors, (741), 19 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:00,014 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 39.0) internal successors, (741), 19 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:00,014 INFO L185 Difference]: Start difference. First operand has 518 places, 1376 transitions, 44918 flow. Second operand 18 states and 314 transitions. [2021-06-11 13:36:00,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 1389 transitions, 48050 flow [2021-06-11 13:36:02,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1389 transitions, 47873 flow, removed 70 selfloop flow, removed 5 redundant places. [2021-06-11 13:36:02,124 INFO L241 Difference]: Finished difference. Result has 533 places, 1380 transitions, 45049 flow [2021-06-11 13:36:02,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=44741, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=45049, PETRI_PLACES=533, PETRI_TRANSITIONS=1380} [2021-06-11 13:36:02,125 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 512 predicate places. [2021-06-11 13:36:02,125 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:02,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 533 places, 1380 transitions, 45049 flow [2021-06-11 13:36:02,125 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 533 places, 1380 transitions, 45049 flow [2021-06-11 13:36:02,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 533 places, 1380 transitions, 45049 flow [2021-06-11 13:36:03,048 INFO L129 PetriNetUnfolder]: 1285/3567 cut-off events. [2021-06-11 13:36:03,048 INFO L130 PetriNetUnfolder]: For 176675/176812 co-relation queries the response was YES. [2021-06-11 13:36:03,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44178 conditions, 3567 events. 1285/3567 cut-off events. For 176675/176812 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 36061 event pairs, 22 based on Foata normal form. 17/3568 useless extension candidates. Maximal degree in co-relation 43813. Up to 770 conditions per place. [2021-06-11 13:36:03,133 INFO L151 LiptonReduction]: Number of co-enabled transitions 1844 [2021-06-11 13:36:03,324 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:03,325 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:03,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1200 [2021-06-11 13:36:03,325 INFO L480 AbstractCegarLoop]: Abstraction has has 533 places, 1380 transitions, 45049 flow [2021-06-11 13:36:03,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:03,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:03,325 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:03,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:03,526 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:03,526 INFO L82 PathProgramCache]: Analyzing trace with hash -572944479, now seen corresponding path program 39 times [2021-06-11 13:36:03,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:03,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344065378] [2021-06-11 13:36:03,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:03,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-06-11 13:36:03,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:03,572 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-06-11 13:36:03,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:03,596 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-06-11 13:36:03,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 13:36:03,632 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-11 13:36:03,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:36:03,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:03,680 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:36:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:03,695 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-11 13:36:03,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:03,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344065378] [2021-06-11 13:36:03,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357088409] [2021-06-11 13:36:03,708 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:03,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:36:03,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:03,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:36:03,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:03,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:03,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:03,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:03,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:03,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:03,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:03,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:03,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:03,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,742 INFO L147 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size 19 [2021-06-11 13:36:03,742 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.0 percent of original size [2021-06-11 13:36:03,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:03,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,759 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 13:36:03,759 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 13:36:03,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,777 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 13:36:03,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:36:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,807 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-06-11 13:36:03,807 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 13:36:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:03,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:03,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:03,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:03,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:03,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:03,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:03,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:03,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:03,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:03,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:03,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:36:03,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:03,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:03,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:03,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:36:03,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:03,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:03,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:36:03,854 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:03,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:03,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:36:03,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:03,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:03,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:03,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-06-11 13:36:03,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19170840] [2021-06-11 13:36:03,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:36:03,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:03,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:36:03,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:36:03,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2021-06-11 13:36:03,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 1380 transitions, 45049 flow. Second operand has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:03,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:03,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2021-06-11 13:36:03,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:06,627 INFO L129 PetriNetUnfolder]: 1407/3896 cut-off events. [2021-06-11 13:36:06,627 INFO L130 PetriNetUnfolder]: For 207224/207351 co-relation queries the response was YES. [2021-06-11 13:36:06,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51090 conditions, 3896 events. 1407/3896 cut-off events. For 207224/207351 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 39534 event pairs, 22 based on Foata normal form. 35/3920 useless extension candidates. Maximal degree in co-relation 50718. Up to 2052 conditions per place. [2021-06-11 13:36:06,704 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1031 selfloop transitions, 414 changer transitions 1/1525 dead transitions. [2021-06-11 13:36:06,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 1525 transitions, 52052 flow [2021-06-11 13:36:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:36:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:36:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 382 transitions. [2021-06-11 13:36:06,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5441595441595442 [2021-06-11 13:36:06,705 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 382 transitions. [2021-06-11 13:36:06,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 382 transitions. [2021-06-11 13:36:06,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:06,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 382 transitions. [2021-06-11 13:36:06,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 21.22222222222222) internal successors, (382), 18 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:06,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 39.0) internal successors, (741), 19 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:06,706 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 39.0) internal successors, (741), 19 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:06,706 INFO L185 Difference]: Start difference. First operand has 533 places, 1380 transitions, 45049 flow. Second operand 18 states and 382 transitions. [2021-06-11 13:36:06,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 1525 transitions, 52052 flow [2021-06-11 13:36:08,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 1525 transitions, 51867 flow, removed 19 selfloop flow, removed 12 redundant places. [2021-06-11 13:36:08,939 INFO L241 Difference]: Finished difference. Result has 545 places, 1512 transitions, 50290 flow [2021-06-11 13:36:08,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=44868, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=50290, PETRI_PLACES=545, PETRI_TRANSITIONS=1512} [2021-06-11 13:36:08,940 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 524 predicate places. [2021-06-11 13:36:08,940 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:08,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 545 places, 1512 transitions, 50290 flow [2021-06-11 13:36:08,940 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 545 places, 1512 transitions, 50290 flow [2021-06-11 13:36:08,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 545 places, 1512 transitions, 50290 flow [2021-06-11 13:36:10,007 INFO L129 PetriNetUnfolder]: 1390/3847 cut-off events. [2021-06-11 13:36:10,008 INFO L130 PetriNetUnfolder]: For 205522/205706 co-relation queries the response was YES. [2021-06-11 13:36:10,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49475 conditions, 3847 events. 1390/3847 cut-off events. For 205522/205706 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 39137 event pairs, 19 based on Foata normal form. 33/3871 useless extension candidates. Maximal degree in co-relation 49097. Up to 864 conditions per place. [2021-06-11 13:36:10,111 INFO L151 LiptonReduction]: Number of co-enabled transitions 1980 [2021-06-11 13:36:10,406 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:10,406 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:10,406 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1466 [2021-06-11 13:36:10,407 INFO L480 AbstractCegarLoop]: Abstraction has has 545 places, 1512 transitions, 50290 flow [2021-06-11 13:36:10,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:10,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:10,407 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:10,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-11 13:36:10,609 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:10,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:10,609 INFO L82 PathProgramCache]: Analyzing trace with hash -223478981, now seen corresponding path program 10 times [2021-06-11 13:36:10,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:10,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751224228] [2021-06-11 13:36:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:10,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,655 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-06-11 13:36:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:36:10,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:36:10,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:36:10,772 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 13:36:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:10,782 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:36:10,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:10,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751224228] [2021-06-11 13:36:10,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294252472] [2021-06-11 13:36:10,791 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:10,812 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:36:10,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:10,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:36:10,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:10,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:10,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:10,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:10,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:10,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:10,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:10,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:10,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:10,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:10,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:10,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:10,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:10,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,835 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-11 13:36:10,835 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-11 13:36:10,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:10,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:36:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:10,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:36:10,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:10,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:36:10,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:10,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:36:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:36:10,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:10,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,882 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:36:10,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:10,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:10,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:36:10,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:10,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:10,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:36:10,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:10,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:36:10,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:10,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:10,897 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-06-11 13:36:10,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:36:10,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:36:10,899 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:36:10,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:36:10,899 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:36:10,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,908 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:36:10,909 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:36:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:10,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:10,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:17 [2021-06-11 13:36:10,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:10,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:10,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-11 13:36:10,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:10,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:10,935 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 13:36:10,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:36:10,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:36:10,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:10,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:10,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:10,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:10,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:10,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:36:10,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402167799] [2021-06-11 13:36:10,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:36:10,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:10,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:36:10,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:36:10,953 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:36:10,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 1512 transitions, 50290 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:10,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:10,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:36:10,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:13,847 INFO L129 PetriNetUnfolder]: 1600/4229 cut-off events. [2021-06-11 13:36:13,847 INFO L130 PetriNetUnfolder]: For 254497/254509 co-relation queries the response was YES. [2021-06-11 13:36:13,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58421 conditions, 4229 events. 1600/4229 cut-off events. For 254497/254509 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42268 event pairs, 133 based on Foata normal form. 16/4245 useless extension candidates. Maximal degree in co-relation 58034. Up to 3182 conditions per place. [2021-06-11 13:36:13,928 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1439 selfloop transitions, 102 changer transitions 2/1549 dead transitions. [2021-06-11 13:36:13,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 1549 transitions, 54667 flow [2021-06-11 13:36:13,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:36:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:36:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 237 transitions. [2021-06-11 13:36:13,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46745562130177515 [2021-06-11 13:36:13,929 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 237 transitions. [2021-06-11 13:36:13,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 237 transitions. [2021-06-11 13:36:13,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:13,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 237 transitions. [2021-06-11 13:36:13,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:13,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:13,931 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:13,931 INFO L185 Difference]: Start difference. First operand has 545 places, 1512 transitions, 50290 flow. Second operand 13 states and 237 transitions. [2021-06-11 13:36:13,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 1549 transitions, 54667 flow [2021-06-11 13:36:16,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 1549 transitions, 53992 flow, removed 306 selfloop flow, removed 7 redundant places. [2021-06-11 13:36:16,848 INFO L241 Difference]: Finished difference. Result has 554 places, 1539 transitions, 50883 flow [2021-06-11 13:36:16,849 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=49733, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=50883, PETRI_PLACES=554, PETRI_TRANSITIONS=1539} [2021-06-11 13:36:16,849 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 533 predicate places. [2021-06-11 13:36:16,849 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:16,849 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 554 places, 1539 transitions, 50883 flow [2021-06-11 13:36:16,849 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 554 places, 1539 transitions, 50883 flow [2021-06-11 13:36:16,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 554 places, 1539 transitions, 50883 flow [2021-06-11 13:36:18,039 INFO L129 PetriNetUnfolder]: 1414/3905 cut-off events. [2021-06-11 13:36:18,039 INFO L130 PetriNetUnfolder]: For 211196/211406 co-relation queries the response was YES. [2021-06-11 13:36:18,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50233 conditions, 3905 events. 1414/3905 cut-off events. For 211196/211406 co-relation queries the response was YES. Maximal size of possible extension queue 507. Compared 39993 event pairs, 23 based on Foata normal form. 38/3939 useless extension candidates. Maximal degree in co-relation 49626. Up to 857 conditions per place. [2021-06-11 13:36:18,132 INFO L151 LiptonReduction]: Number of co-enabled transitions 2014 [2021-06-11 13:36:18,414 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:18,414 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:18,414 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1565 [2021-06-11 13:36:18,415 INFO L480 AbstractCegarLoop]: Abstraction has has 554 places, 1539 transitions, 50883 flow [2021-06-11 13:36:18,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:18,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:18,415 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:18,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-06-11 13:36:18,616 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:18,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:18,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1109672917, now seen corresponding path program 40 times [2021-06-11 13:36:18,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:18,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845648087] [2021-06-11 13:36:18,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:18,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-06-11 13:36:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:18,681 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-06-11 13:36:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:18,727 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-06-11 13:36:18,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 13:36:18,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:18,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:18,805 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:36:18,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,821 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-11 13:36:18,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:18,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845648087] [2021-06-11 13:36:18,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605226983] [2021-06-11 13:36:18,834 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:36:18,862 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:36:18,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:18,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:36:18,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:18,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,911 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-11 13:36:18,911 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-11 13:36:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,926 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 13:36:18,927 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 13:36:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:18,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:18,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:18,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,960 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-06-11 13:36:18,960 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 13:36:18,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,978 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 13:36:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:36:18,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:18,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:36:18,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:18,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:18,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:18,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:19,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:19,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:19,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:19,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:19,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:19,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:19,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:19,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:19,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:19,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:19,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:36:19,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:19,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:19,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:19,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:36:19,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:19,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:19,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:36:19,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:19,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:19,023 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:36:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:19,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:19,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:19,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-06-11 13:36:19,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976486785] [2021-06-11 13:36:19,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:36:19,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:19,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:36:19,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:36:19,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2021-06-11 13:36:19,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 1539 transitions, 50883 flow. Second operand has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:19,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:19,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2021-06-11 13:36:19,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:22,064 INFO L129 PetriNetUnfolder]: 1511/4196 cut-off events. [2021-06-11 13:36:22,064 INFO L130 PetriNetUnfolder]: For 246472/246660 co-relation queries the response was YES. [2021-06-11 13:36:22,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56833 conditions, 4196 events. 1511/4196 cut-off events. For 246472/246660 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 43341 event pairs, 26 based on Foata normal form. 36/4215 useless extension candidates. Maximal degree in co-relation 56114. Up to 2128 conditions per place. [2021-06-11 13:36:22,147 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1035 selfloop transitions, 533 changer transitions 1/1651 dead transitions. [2021-06-11 13:36:22,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 1651 transitions, 57623 flow [2021-06-11 13:36:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-11 13:36:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-06-11 13:36:22,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 478 transitions. [2021-06-11 13:36:22,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5571095571095571 [2021-06-11 13:36:22,149 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 478 transitions. [2021-06-11 13:36:22,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 478 transitions. [2021-06-11 13:36:22,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:22,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 478 transitions. [2021-06-11 13:36:22,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 21.727272727272727) internal successors, (478), 22 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:22,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 39.0) internal successors, (897), 23 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:22,151 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 39.0) internal successors, (897), 23 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:22,151 INFO L185 Difference]: Start difference. First operand has 554 places, 1539 transitions, 50883 flow. Second operand 22 states and 478 transitions. [2021-06-11 13:36:22,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 1651 transitions, 57623 flow [2021-06-11 13:36:24,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 1651 transitions, 57458 flow, removed 73 selfloop flow, removed 4 redundant places. [2021-06-11 13:36:24,886 INFO L241 Difference]: Finished difference. Result has 579 places, 1627 transitions, 55232 flow [2021-06-11 13:36:24,887 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=50718, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=456, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=55232, PETRI_PLACES=579, PETRI_TRANSITIONS=1627} [2021-06-11 13:36:24,888 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 558 predicate places. [2021-06-11 13:36:24,888 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:24,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 579 places, 1627 transitions, 55232 flow [2021-06-11 13:36:24,888 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 579 places, 1627 transitions, 55232 flow [2021-06-11 13:36:24,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 1627 transitions, 55232 flow [2021-06-11 13:36:26,174 INFO L129 PetriNetUnfolder]: 1494/4131 cut-off events. [2021-06-11 13:36:26,174 INFO L130 PetriNetUnfolder]: For 246450/246602 co-relation queries the response was YES. [2021-06-11 13:36:26,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55476 conditions, 4131 events. 1494/4131 cut-off events. For 246450/246602 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42811 event pairs, 25 based on Foata normal form. 40/4161 useless extension candidates. Maximal degree in co-relation 54913. Up to 925 conditions per place. [2021-06-11 13:36:26,290 INFO L151 LiptonReduction]: Number of co-enabled transitions 2158 [2021-06-11 13:36:26,637 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:26,637 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:26,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1749 [2021-06-11 13:36:26,637 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 1627 transitions, 55232 flow [2021-06-11 13:36:26,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:26,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:26,637 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:26,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-11 13:36:26,849 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:26,849 INFO L82 PathProgramCache]: Analyzing trace with hash 129299171, now seen corresponding path program 11 times [2021-06-11 13:36:26,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:26,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738147329] [2021-06-11 13:36:26,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:26,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:26,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:26,884 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-06-11 13:36:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:36:26,933 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-06-11 13:36:26,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:36:26,966 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:36:26,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:26,977 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 13:36:26,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:26,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:36:26,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:26,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738147329] [2021-06-11 13:36:26,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971534342] [2021-06-11 13:36:26,997 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:27,016 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-11 13:36:27,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:27,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:36:27,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,027 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-06-11 13:36:27,027 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 13:36:27,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:27,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:27,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:27,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,042 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-06-11 13:36:27,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 13:36:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:27,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,063 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:36:27,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:36:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:36:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:27,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:27,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:36:27,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:27,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:27,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:36:27,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:36:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:27,111 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-06-11 13:36:27,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:36:27,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:36:27,113 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:36:27,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:36:27,114 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:36:27,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,125 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:36:27,126 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:36:27,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:27,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:27,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:17 [2021-06-11 13:36:27,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:27,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:27,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-11 13:36:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,158 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:36:27,158 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:27,159 INFO L142 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size [2021-06-11 13:36:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:27,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:27,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:27,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:27,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:36:27,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638663226] [2021-06-11 13:36:27,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:36:27,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:36:27,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:36:27,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:36:27,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 1627 transitions, 55232 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:27,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:27,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:36:27,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:30,163 INFO L129 PetriNetUnfolder]: 1704/4534 cut-off events. [2021-06-11 13:36:30,163 INFO L130 PetriNetUnfolder]: For 298751/298763 co-relation queries the response was YES. [2021-06-11 13:36:30,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64558 conditions, 4534 events. 1704/4534 cut-off events. For 298751/298763 co-relation queries the response was YES. Maximal size of possible extension queue 576. Compared 46166 event pairs, 148 based on Foata normal form. 10/4544 useless extension candidates. Maximal degree in co-relation 63886. Up to 3426 conditions per place. [2021-06-11 13:36:30,258 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1565 selfloop transitions, 84 changer transitions 6/1661 dead transitions. [2021-06-11 13:36:30,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 590 places, 1661 transitions, 59549 flow [2021-06-11 13:36:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:36:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:36:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 217 transitions. [2021-06-11 13:36:30,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4636752136752137 [2021-06-11 13:36:30,258 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 217 transitions. [2021-06-11 13:36:30,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 217 transitions. [2021-06-11 13:36:30,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:30,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 217 transitions. [2021-06-11 13:36:30,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.083333333333332) internal successors, (217), 12 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:30,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:30,259 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:30,259 INFO L185 Difference]: Start difference. First operand has 579 places, 1627 transitions, 55232 flow. Second operand 12 states and 217 transitions. [2021-06-11 13:36:30,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 590 places, 1661 transitions, 59549 flow [2021-06-11 13:36:33,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 1661 transitions, 58330 flow, removed 579 selfloop flow, removed 5 redundant places. [2021-06-11 13:36:33,507 INFO L241 Difference]: Finished difference. Result has 588 places, 1647 transitions, 54820 flow [2021-06-11 13:36:33,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=54013, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=54820, PETRI_PLACES=588, PETRI_TRANSITIONS=1647} [2021-06-11 13:36:33,509 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 567 predicate places. [2021-06-11 13:36:33,509 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:33,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 588 places, 1647 transitions, 54820 flow [2021-06-11 13:36:33,509 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 588 places, 1647 transitions, 54820 flow [2021-06-11 13:36:33,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 588 places, 1647 transitions, 54820 flow [2021-06-11 13:36:34,735 INFO L129 PetriNetUnfolder]: 1513/4189 cut-off events. [2021-06-11 13:36:34,735 INFO L130 PetriNetUnfolder]: For 246150/246326 co-relation queries the response was YES. [2021-06-11 13:36:34,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55564 conditions, 4189 events. 1513/4189 cut-off events. For 246150/246326 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 43441 event pairs, 25 based on Foata normal form. 48/4224 useless extension candidates. Maximal degree in co-relation 55063. Up to 824 conditions per place. [2021-06-11 13:36:34,847 INFO L151 LiptonReduction]: Number of co-enabled transitions 2172 [2021-06-11 13:36:35,160 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:35,160 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:35,160 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1651 [2021-06-11 13:36:35,161 INFO L480 AbstractCegarLoop]: Abstraction has has 588 places, 1647 transitions, 54820 flow [2021-06-11 13:36:35,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:35,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:35,161 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:35,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,52 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:35,362 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:35,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:35,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1885386961, now seen corresponding path program 41 times [2021-06-11 13:36:35,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:35,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150428149] [2021-06-11 13:36:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:35,378 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-06-11 13:36:35,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:36:35,398 INFO L142 QuantifierPusher]: treesize reduction 27, result has 67.1 percent of original size [2021-06-11 13:36:35,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:36:35,439 INFO L142 QuantifierPusher]: treesize reduction 23, result has 64.6 percent of original size [2021-06-11 13:36:35,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:36:35,465 INFO L142 QuantifierPusher]: treesize reduction 24, result has 73.0 percent of original size [2021-06-11 13:36:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:36:35,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:35,512 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:36:35,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:35,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:36:35,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:35,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150428149] [2021-06-11 13:36:35,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716779286] [2021-06-11 13:36:35,533 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:35,551 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:36:35,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:35,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:36:35,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:35,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,575 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 13:36:35,575 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:36:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:35,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:35,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:35,590 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 13:36:35,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:35,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:36:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:35,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:35,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,610 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-11 13:36:35,611 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-11 13:36:35,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:35,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:35,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:35,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:35,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:35,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:36:35,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:35,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:36:35,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:36:35,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:35,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:35,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:35,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:35,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:35,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:35,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:36:35,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:36:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:35,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:35,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:35,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:36:35,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:35,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:35,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:36:35,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:35,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:35,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:36:35,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:35,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:35,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:35,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:35,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:35,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:36:35,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418785167] [2021-06-11 13:36:35,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:36:35,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:35,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:36:35,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:36:35,691 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:36:35,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 1647 transitions, 54820 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:35,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:35,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:36:35,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:39,064 INFO L129 PetriNetUnfolder]: 1707/4556 cut-off events. [2021-06-11 13:36:39,064 INFO L130 PetriNetUnfolder]: For 294308/294334 co-relation queries the response was YES. [2021-06-11 13:36:39,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63976 conditions, 4556 events. 1707/4556 cut-off events. For 294308/294334 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 46444 event pairs, 143 based on Foata normal form. 22/4578 useless extension candidates. Maximal degree in co-relation 63218. Up to 3471 conditions per place. [2021-06-11 13:36:39,153 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1610 selfloop transitions, 41 changer transitions 4/1661 dead transitions. [2021-06-11 13:36:39,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 1661 transitions, 58459 flow [2021-06-11 13:36:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:36:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:36:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2021-06-11 13:36:39,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45384615384615384 [2021-06-11 13:36:39,154 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 177 transitions. [2021-06-11 13:36:39,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 177 transitions. [2021-06-11 13:36:39,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:39,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 177 transitions. [2021-06-11 13:36:39,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:39,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:39,155 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:39,155 INFO L185 Difference]: Start difference. First operand has 588 places, 1647 transitions, 54820 flow. Second operand 10 states and 177 transitions. [2021-06-11 13:36:39,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 1661 transitions, 58459 flow [2021-06-11 13:36:42,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 1661 transitions, 58209 flow, removed 71 selfloop flow, removed 6 redundant places. [2021-06-11 13:36:42,153 INFO L241 Difference]: Finished difference. Result has 592 places, 1653 transitions, 54789 flow [2021-06-11 13:36:42,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=54570, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=54789, PETRI_PLACES=592, PETRI_TRANSITIONS=1653} [2021-06-11 13:36:42,154 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 571 predicate places. [2021-06-11 13:36:42,155 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:42,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 592 places, 1653 transitions, 54789 flow [2021-06-11 13:36:42,155 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 592 places, 1653 transitions, 54789 flow [2021-06-11 13:36:42,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 592 places, 1653 transitions, 54789 flow [2021-06-11 13:36:43,559 INFO L129 PetriNetUnfolder]: 1514/4199 cut-off events. [2021-06-11 13:36:43,559 INFO L130 PetriNetUnfolder]: For 249669/249832 co-relation queries the response was YES. [2021-06-11 13:36:43,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55749 conditions, 4199 events. 1514/4199 cut-off events. For 249669/249832 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 43676 event pairs, 25 based on Foata normal form. 36/4222 useless extension candidates. Maximal degree in co-relation 55129. Up to 822 conditions per place. [2021-06-11 13:36:43,662 INFO L151 LiptonReduction]: Number of co-enabled transitions 2184 [2021-06-11 13:36:43,948 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:43,948 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:43,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1793 [2021-06-11 13:36:43,948 INFO L480 AbstractCegarLoop]: Abstraction has has 592 places, 1653 transitions, 54789 flow [2021-06-11 13:36:43,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:43,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:43,949 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:44,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:44,149 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1108350639, now seen corresponding path program 42 times [2021-06-11 13:36:44,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:44,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892138096] [2021-06-11 13:36:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:44,175 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-06-11 13:36:44,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:36:44,197 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-06-11 13:36:44,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:36:44,248 INFO L142 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-06-11 13:36:44,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-06-11 13:36:44,321 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-06-11 13:36:44,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:36:44,355 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-06-11 13:36:44,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:44,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:36:44,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,379 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:36:44,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:44,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892138096] [2021-06-11 13:36:44,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423633779] [2021-06-11 13:36:44,390 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:44,420 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:36:44,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:44,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:36:44,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:44,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:44,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:36:44,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:44,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:44,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:44,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:44,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:44,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:44,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:44,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,442 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size 23 [2021-06-11 13:36:44,443 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-11 13:36:44,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,465 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-06-11 13:36:44,465 INFO L142 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size [2021-06-11 13:36:44,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:44,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:44,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:36:44,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:44,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,506 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 13:36:44,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:44,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:44,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:36:44,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:44,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:36:44,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:44,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:44,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:44,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:36:44,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:44,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:44,532 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 39 [2021-06-11 13:36:44,533 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 13:36:44,534 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-11 13:36:44,534 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:36:44,535 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,535 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-11 13:36:44,535 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:36:44,536 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,538 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:36:44,538 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,539 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-06-11 13:36:44,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:36:44,541 INFO L147 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size 34 [2021-06-11 13:36:44,543 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-06-11 13:36:44,544 INFO L147 QuantifierPusher]: treesize reduction 26, result has 23.5 percent of original size 8 [2021-06-11 13:36:44,544 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-11 13:36:44,564 INFO L628 ElimStorePlain]: treesize reduction 26, result has 40.9 percent of original size [2021-06-11 13:36:44,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,566 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:36:44,567 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,568 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:36:44,569 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:36:44,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:44,569 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2021-06-11 13:36:44,569 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:36:44,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:44,592 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:36:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:36:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,595 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:36:44,596 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:44,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-06-11 13:36:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:44,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:44,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:44,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:36:44,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106857535] [2021-06-11 13:36:44,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:36:44,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:44,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:36:44,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:36:44,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:36:44,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 1653 transitions, 54789 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:44,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:44,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:36:44,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:48,458 INFO L129 PetriNetUnfolder]: 1725/4603 cut-off events. [2021-06-11 13:36:48,458 INFO L130 PetriNetUnfolder]: For 300233/300298 co-relation queries the response was YES. [2021-06-11 13:36:48,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65039 conditions, 4603 events. 1725/4603 cut-off events. For 300233/300298 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 47002 event pairs, 145 based on Foata normal form. 56/4659 useless extension candidates. Maximal degree in co-relation 64280. Up to 3396 conditions per place. [2021-06-11 13:36:48,566 INFO L132 encePairwiseOnDemand]: 31/39 looper letters, 1523 selfloop transitions, 175 changer transitions 4/1708 dead transitions. [2021-06-11 13:36:48,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 1708 transitions, 60548 flow [2021-06-11 13:36:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:36:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:36:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 311 transitions. [2021-06-11 13:36:48,568 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46907993966817496 [2021-06-11 13:36:48,568 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 311 transitions. [2021-06-11 13:36:48,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 311 transitions. [2021-06-11 13:36:48,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:48,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 311 transitions. [2021-06-11 13:36:48,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.294117647058822) internal successors, (311), 17 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:48,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:48,569 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:48,569 INFO L185 Difference]: Start difference. First operand has 592 places, 1653 transitions, 54789 flow. Second operand 17 states and 311 transitions. [2021-06-11 13:36:48,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 1708 transitions, 60548 flow [2021-06-11 13:36:51,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 1708 transitions, 60486 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-06-11 13:36:51,823 INFO L241 Difference]: Finished difference. Result has 609 places, 1689 transitions, 56832 flow [2021-06-11 13:36:51,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=54727, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=56832, PETRI_PLACES=609, PETRI_TRANSITIONS=1689} [2021-06-11 13:36:51,824 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 588 predicate places. [2021-06-11 13:36:51,824 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:36:51,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 1689 transitions, 56832 flow [2021-06-11 13:36:51,825 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 1689 transitions, 56832 flow [2021-06-11 13:36:51,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 609 places, 1689 transitions, 56832 flow [2021-06-11 13:36:53,181 INFO L129 PetriNetUnfolder]: 1536/4241 cut-off events. [2021-06-11 13:36:53,182 INFO L130 PetriNetUnfolder]: For 261750/261898 co-relation queries the response was YES. [2021-06-11 13:36:53,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57488 conditions, 4241 events. 1536/4241 cut-off events. For 261750/261898 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 44108 event pairs, 22 based on Foata normal form. 36/4266 useless extension candidates. Maximal degree in co-relation 56858. Up to 847 conditions per place. [2021-06-11 13:36:53,305 INFO L151 LiptonReduction]: Number of co-enabled transitions 2226 [2021-06-11 13:36:53,676 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:36:53,676 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:36:53,676 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1852 [2021-06-11 13:36:53,676 INFO L480 AbstractCegarLoop]: Abstraction has has 609 places, 1689 transitions, 56832 flow [2021-06-11 13:36:53,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:53,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:36:53,676 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:36:53,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-06-11 13:36:53,877 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:36:53,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:36:53,877 INFO L82 PathProgramCache]: Analyzing trace with hash -251449779, now seen corresponding path program 12 times [2021-06-11 13:36:53,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:36:53,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371369099] [2021-06-11 13:36:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:36:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:36:53,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:53,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:53,922 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-06-11 13:36:53,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:36:53,979 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-06-11 13:36:53,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:36:54,009 INFO L142 QuantifierPusher]: treesize reduction 99, result has 27.2 percent of original size [2021-06-11 13:36:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:36:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:36:54,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:36:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:54,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371369099] [2021-06-11 13:36:54,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973677208] [2021-06-11 13:36:54,045 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:36:54,065 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:36:54,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:36:54,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:36:54,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:36:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:54,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:54,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:54,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:54,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,073 INFO L147 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size 23 [2021-06-11 13:36:54,073 INFO L142 QuantifierPusher]: treesize reduction 6, result has 79.3 percent of original size [2021-06-11 13:36:54,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:36:54,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,091 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-06-11 13:36:54,092 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size [2021-06-11 13:36:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:54,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:36:54,110 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 13:36:54,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:36:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:36:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:36:54,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:54,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:36:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,130 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:36:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,169 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-06-11 13:36:54,170 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-06-11 13:36:54,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:36:54,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:36:54,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:36:54,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:36:54,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:36:54,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:36:54,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:36:54,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:36:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:36:54,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:36:54,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:36:54,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:54,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:36:54,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:54,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:36:54,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:36:54,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:54,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:36:54,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:36:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:36:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:36:54,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:36:54,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:36:54,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891004430] [2021-06-11 13:36:54,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:36:54,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:36:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:36:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:36:54,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:36:54,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 1689 transitions, 56832 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:54,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:36:54,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:36:54,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:36:57,517 INFO L129 PetriNetUnfolder]: 1735/4597 cut-off events. [2021-06-11 13:36:57,518 INFO L130 PetriNetUnfolder]: For 310699/310725 co-relation queries the response was YES. [2021-06-11 13:36:57,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65991 conditions, 4597 events. 1735/4597 cut-off events. For 310699/310725 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 46739 event pairs, 132 based on Foata normal form. 28/4625 useless extension candidates. Maximal degree in co-relation 65114. Up to 3512 conditions per place. [2021-06-11 13:36:57,664 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1652 selfloop transitions, 51 changer transitions 2/1711 dead transitions. [2021-06-11 13:36:57,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 1711 transitions, 60862 flow [2021-06-11 13:36:57,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:36:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:36:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2021-06-11 13:36:57,665 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2021-06-11 13:36:57,665 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 180 transitions. [2021-06-11 13:36:57,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 180 transitions. [2021-06-11 13:36:57,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:36:57,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 180 transitions. [2021-06-11 13:36:57,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:57,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:57,666 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:36:57,666 INFO L185 Difference]: Start difference. First operand has 609 places, 1689 transitions, 56832 flow. Second operand 10 states and 180 transitions. [2021-06-11 13:36:57,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 1711 transitions, 60862 flow [2021-06-11 13:37:02,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 1711 transitions, 60480 flow, removed 98 selfloop flow, removed 8 redundant places. [2021-06-11 13:37:02,472 INFO L241 Difference]: Finished difference. Result has 611 places, 1700 transitions, 56881 flow [2021-06-11 13:37:02,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=56443, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=56881, PETRI_PLACES=611, PETRI_TRANSITIONS=1700} [2021-06-11 13:37:02,474 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 590 predicate places. [2021-06-11 13:37:02,474 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:37:02,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 611 places, 1700 transitions, 56881 flow [2021-06-11 13:37:02,474 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 611 places, 1700 transitions, 56881 flow [2021-06-11 13:37:02,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 1700 transitions, 56881 flow [2021-06-11 13:37:04,295 INFO L129 PetriNetUnfolder]: 1548/4267 cut-off events. [2021-06-11 13:37:04,295 INFO L130 PetriNetUnfolder]: For 259817/259968 co-relation queries the response was YES. [2021-06-11 13:37:04,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57483 conditions, 4267 events. 1548/4267 cut-off events. For 259817/259968 co-relation queries the response was YES. Maximal size of possible extension queue 575. Compared 44418 event pairs, 22 based on Foata normal form. 36/4294 useless extension candidates. Maximal degree in co-relation 56818. Up to 846 conditions per place. [2021-06-11 13:37:04,461 INFO L151 LiptonReduction]: Number of co-enabled transitions 2250 [2021-06-11 13:37:04,829 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:37:04,829 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:37:04,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2355 [2021-06-11 13:37:04,830 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 1700 transitions, 56881 flow [2021-06-11 13:37:04,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:04,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:37:04,830 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:37:05,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:05,030 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:37:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:37:05,030 INFO L82 PathProgramCache]: Analyzing trace with hash -209753685, now seen corresponding path program 13 times [2021-06-11 13:37:05,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:37:05,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470576490] [2021-06-11 13:37:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:37:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:05,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:37:05,065 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-06-11 13:37:05,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:37:05,116 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-06-11 13:37:05,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:37:05,149 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:37:05,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,161 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 13:37:05,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:05,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:37:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:05,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470576490] [2021-06-11 13:37:05,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414776265] [2021-06-11 13:37:05,181 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:05,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:37:05,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:37:05,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:05,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:05,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:05,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:05,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:05,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:05,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:05,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:05,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,236 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-06-11 13:37:05,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-06-11 13:37:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:37:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:37:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:37:05,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,258 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-06-11 13:37:05,258 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-06-11 13:37:05,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:05,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,285 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:37:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:37:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:37:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:05,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:05,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:05,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:05,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:05,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:37:05,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:37:05,302 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-06-11 13:37:05,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:37:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:37:05,305 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:37:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:37:05,305 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:37:05,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,316 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:05,320 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:37:05,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:05,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:37:05,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:17 [2021-06-11 13:37:05,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:05,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:05,348 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-11 13:37:05,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:05,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,351 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:05,352 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:05,353 INFO L142 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size [2021-06-11 13:37:05,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:05,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:05,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:05,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:05,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:37:05,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:37:05,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463151629] [2021-06-11 13:37:05,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:37:05,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:37:05,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:37:05,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:37:05,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:37:05,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 1700 transitions, 56881 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:05,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:37:05,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:37:05,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:37:08,723 INFO L129 PetriNetUnfolder]: 1760/4661 cut-off events. [2021-06-11 13:37:08,724 INFO L130 PetriNetUnfolder]: For 311099/311101 co-relation queries the response was YES. [2021-06-11 13:37:08,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66615 conditions, 4661 events. 1760/4661 cut-off events. For 311099/311101 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 47649 event pairs, 147 based on Foata normal form. 4/4665 useless extension candidates. Maximal degree in co-relation 65851. Up to 3539 conditions per place. [2021-06-11 13:37:08,824 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 1669 selfloop transitions, 62 changer transitions 6/1743 dead transitions. [2021-06-11 13:37:08,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 1743 transitions, 61726 flow [2021-06-11 13:37:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:37:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:37:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 198 transitions. [2021-06-11 13:37:08,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2021-06-11 13:37:08,825 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 198 transitions. [2021-06-11 13:37:08,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 198 transitions. [2021-06-11 13:37:08,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:37:08,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 198 transitions. [2021-06-11 13:37:08,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.0) internal successors, (198), 11 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:08,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:08,826 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:08,826 INFO L185 Difference]: Start difference. First operand has 611 places, 1700 transitions, 56881 flow. Second operand 11 states and 198 transitions. [2021-06-11 13:37:08,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 1743 transitions, 61726 flow [2021-06-11 13:37:12,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 1743 transitions, 61604 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-06-11 13:37:12,201 INFO L241 Difference]: Finished difference. Result has 617 places, 1725 transitions, 57795 flow [2021-06-11 13:37:12,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=56759, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1638, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=57795, PETRI_PLACES=617, PETRI_TRANSITIONS=1725} [2021-06-11 13:37:12,202 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 596 predicate places. [2021-06-11 13:37:12,202 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:37:12,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 617 places, 1725 transitions, 57795 flow [2021-06-11 13:37:12,202 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 617 places, 1725 transitions, 57795 flow [2021-06-11 13:37:12,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 617 places, 1725 transitions, 57795 flow [2021-06-11 13:37:13,703 INFO L129 PetriNetUnfolder]: 1568/4317 cut-off events. [2021-06-11 13:37:13,703 INFO L130 PetriNetUnfolder]: For 270572/270726 co-relation queries the response was YES. [2021-06-11 13:37:13,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58655 conditions, 4317 events. 1568/4317 cut-off events. For 270572/270726 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 44972 event pairs, 21 based on Foata normal form. 36/4344 useless extension candidates. Maximal degree in co-relation 58014. Up to 862 conditions per place. [2021-06-11 13:37:13,818 INFO L151 LiptonReduction]: Number of co-enabled transitions 2288 [2021-06-11 13:37:14,130 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:37:14,130 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:37:14,130 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1928 [2021-06-11 13:37:14,130 INFO L480 AbstractCegarLoop]: Abstraction has has 617 places, 1725 transitions, 57795 flow [2021-06-11 13:37:14,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:14,130 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:37:14,130 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:37:14,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:14,352 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:37:14,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:37:14,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1891625911, now seen corresponding path program 14 times [2021-06-11 13:37:14,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:37:14,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712367023] [2021-06-11 13:37:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:37:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:14,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:37:14,385 INFO L142 QuantifierPusher]: treesize reduction 111, result has 37.3 percent of original size [2021-06-11 13:37:14,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:37:14,441 INFO L142 QuantifierPusher]: treesize reduction 107, result has 29.6 percent of original size [2021-06-11 13:37:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:37:14,471 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:37:14,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:14,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:37:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:14,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712367023] [2021-06-11 13:37:14,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731630591] [2021-06-11 13:37:14,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:14,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:37:14,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:37:14,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:37:14,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:37:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:14,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:37:14,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:14,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:14,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:14,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,574 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-06-11 13:37:14,575 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-06-11 13:37:14,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:14,594 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-11 13:37:14,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:14,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:37:14,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:37:14,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:14,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:14,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:14,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:14,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:14,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:14,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:14,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:14,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:14,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:14,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:14,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:37:14,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:37:14,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:37:14,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:37:14,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:14,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:14,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:37:14,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:14,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:37:14,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:37:14,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:14,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:14,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:14,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:14,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:37:14,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:37:14,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549969207] [2021-06-11 13:37:14,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:37:14,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:37:14,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:37:14,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:37:14,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:37:14,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 1725 transitions, 57795 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:14,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:37:14,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:37:14,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:37:18,241 INFO L129 PetriNetUnfolder]: 1759/4651 cut-off events. [2021-06-11 13:37:18,241 INFO L130 PetriNetUnfolder]: For 320400/320406 co-relation queries the response was YES. [2021-06-11 13:37:18,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67033 conditions, 4651 events. 1759/4651 cut-off events. For 320400/320406 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 47534 event pairs, 151 based on Foata normal form. 5/4656 useless extension candidates. Maximal degree in co-relation 66336. Up to 3560 conditions per place. [2021-06-11 13:37:18,338 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1683 selfloop transitions, 41 changer transitions 3/1733 dead transitions. [2021-06-11 13:37:18,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 1733 transitions, 61465 flow [2021-06-11 13:37:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:37:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:37:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 178 transitions. [2021-06-11 13:37:18,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4564102564102564 [2021-06-11 13:37:18,339 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 178 transitions. [2021-06-11 13:37:18,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 178 transitions. [2021-06-11 13:37:18,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:37:18,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 178 transitions. [2021-06-11 13:37:18,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:18,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:18,340 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:18,340 INFO L185 Difference]: Start difference. First operand has 617 places, 1725 transitions, 57795 flow. Second operand 10 states and 178 transitions. [2021-06-11 13:37:18,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 1733 transitions, 61465 flow [2021-06-11 13:37:21,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 620 places, 1733 transitions, 61346 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-06-11 13:37:21,897 INFO L241 Difference]: Finished difference. Result has 622 places, 1728 transitions, 57854 flow [2021-06-11 13:37:21,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=57633, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=57854, PETRI_PLACES=622, PETRI_TRANSITIONS=1728} [2021-06-11 13:37:21,898 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 601 predicate places. [2021-06-11 13:37:21,898 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:37:21,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 622 places, 1728 transitions, 57854 flow [2021-06-11 13:37:21,899 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 622 places, 1728 transitions, 57854 flow [2021-06-11 13:37:21,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 1728 transitions, 57854 flow [2021-06-11 13:37:23,241 INFO L129 PetriNetUnfolder]: 1567/4312 cut-off events. [2021-06-11 13:37:23,241 INFO L130 PetriNetUnfolder]: For 270753/270908 co-relation queries the response was YES. [2021-06-11 13:37:23,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58588 conditions, 4312 events. 1567/4312 cut-off events. For 270753/270908 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 44811 event pairs, 21 based on Foata normal form. 37/4340 useless extension candidates. Maximal degree in co-relation 57945. Up to 862 conditions per place. [2021-06-11 13:37:23,365 INFO L151 LiptonReduction]: Number of co-enabled transitions 2296 [2021-06-11 13:37:23,713 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:37:23,713 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:37:23,713 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1815 [2021-06-11 13:37:23,713 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 1728 transitions, 57854 flow [2021-06-11 13:37:23,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:23,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:37:23,714 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:37:23,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:23,914 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:37:23,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:37:23,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1477090965, now seen corresponding path program 15 times [2021-06-11 13:37:23,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:37:23,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629544079] [2021-06-11 13:37:23,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:37:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:23,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:23,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:37:23,966 INFO L142 QuantifierPusher]: treesize reduction 104, result has 41.9 percent of original size [2021-06-11 13:37:23,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:37:24,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:37:24,075 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-06-11 13:37:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:24,098 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:37:24,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:24,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629544079] [2021-06-11 13:37:24,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828333849] [2021-06-11 13:37:24,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:24,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:37:24,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:37:24,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-11 13:37:24,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:37:24,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,149 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 13:37:24,150 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:37:24,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:24,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:24,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:24,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:24,182 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:37:24,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:24,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:24,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:24,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:24,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,202 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-06-11 13:37:24,202 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-06-11 13:37:24,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,221 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 13:37:24,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:37:24,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:24,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,247 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size 38 [2021-06-11 13:37:24,247 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-06-11 13:37:24,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:24,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:37:24,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:24,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:24,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:24,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:37:24,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:24,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:37:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:37:24,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:37:24,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:37:24,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:24,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:24,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:37:24,271 INFO L628 ElimStorePlain]: treesize reduction 3, result has 85.7 percent of original size [2021-06-11 13:37:24,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:37:24,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:37:24,273 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:13 [2021-06-11 13:37:24,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:37:24,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:37:24,289 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 13:37:24,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:24,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:37:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:24,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:24,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:24,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:24,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:37:24,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 13 [2021-06-11 13:37:24,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161525552] [2021-06-11 13:37:24,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:37:24,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:37:24,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:37:24,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:37:24,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:37:24,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 1728 transitions, 57854 flow. Second operand has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:24,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:37:24,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:37:24,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:37:28,047 INFO L129 PetriNetUnfolder]: 1773/4686 cut-off events. [2021-06-11 13:37:28,047 INFO L130 PetriNetUnfolder]: For 323790/323816 co-relation queries the response was YES. [2021-06-11 13:37:28,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67474 conditions, 4686 events. 1773/4686 cut-off events. For 323790/323816 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 47818 event pairs, 140 based on Foata normal form. 24/4710 useless extension candidates. Maximal degree in co-relation 66775. Up to 3582 conditions per place. [2021-06-11 13:37:28,140 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1683 selfloop transitions, 63 changer transitions 3/1755 dead transitions. [2021-06-11 13:37:28,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 1755 transitions, 62117 flow [2021-06-11 13:37:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:37:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:37:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 232 transitions. [2021-06-11 13:37:28,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45759368836291914 [2021-06-11 13:37:28,141 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 232 transitions. [2021-06-11 13:37:28,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 232 transitions. [2021-06-11 13:37:28,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:37:28,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 232 transitions. [2021-06-11 13:37:28,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 17.846153846153847) internal successors, (232), 13 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:28,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:28,142 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:28,142 INFO L185 Difference]: Start difference. First operand has 622 places, 1728 transitions, 57854 flow. Second operand 13 states and 232 transitions. [2021-06-11 13:37:28,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 1755 transitions, 62117 flow [2021-06-11 13:37:31,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 1755 transitions, 62026 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-06-11 13:37:31,576 INFO L241 Difference]: Finished difference. Result has 634 places, 1747 transitions, 58480 flow [2021-06-11 13:37:31,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=57763, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1728, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=58480, PETRI_PLACES=634, PETRI_TRANSITIONS=1747} [2021-06-11 13:37:31,577 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 613 predicate places. [2021-06-11 13:37:31,577 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:37:31,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 634 places, 1747 transitions, 58480 flow [2021-06-11 13:37:31,578 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 634 places, 1747 transitions, 58480 flow [2021-06-11 13:37:31,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 1747 transitions, 58480 flow [2021-06-11 13:37:33,031 INFO L129 PetriNetUnfolder]: 1581/4349 cut-off events. [2021-06-11 13:37:33,031 INFO L130 PetriNetUnfolder]: For 283271/283432 co-relation queries the response was YES. [2021-06-11 13:37:33,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59606 conditions, 4349 events. 1581/4349 cut-off events. For 283271/283432 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 45430 event pairs, 21 based on Foata normal form. 42/4382 useless extension candidates. Maximal degree in co-relation 59217. Up to 871 conditions per place. [2021-06-11 13:37:33,154 INFO L151 LiptonReduction]: Number of co-enabled transitions 2302 [2021-06-11 13:37:33,547 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:37:33,547 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:37:33,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1970 [2021-06-11 13:37:33,548 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 1747 transitions, 58480 flow [2021-06-11 13:37:33,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:33,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:37:33,548 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:37:33,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:33,748 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:37:33,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:37:33,749 INFO L82 PathProgramCache]: Analyzing trace with hash 429721263, now seen corresponding path program 43 times [2021-06-11 13:37:33,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:37:33,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710654646] [2021-06-11 13:37:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:37:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:33,764 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-06-11 13:37:33,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:37:33,784 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-06-11 13:37:33,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:37:33,833 INFO L142 QuantifierPusher]: treesize reduction 62, result has 56.3 percent of original size [2021-06-11 13:37:33,833 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-06-11 13:37:33,872 INFO L142 QuantifierPusher]: treesize reduction 82, result has 31.7 percent of original size [2021-06-11 13:37:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:37:33,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:33,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:37:33,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:33,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:37:33,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:33,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710654646] [2021-06-11 13:37:33,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711730357] [2021-06-11 13:37:33,923 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:33,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:37:33,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:37:33,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:33,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:33,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:33,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:33,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:33,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:33,998 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 13:37:33,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:37:33,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:33,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:37:34,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:37:34,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:37:34,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,019 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 13:37:34,019 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size [2021-06-11 13:37:34,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:37:34,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:37:34,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:37:34,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:34,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.9 percent of original size [2021-06-11 13:37:34,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:37:34,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-11 13:37:34,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:34,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:37:34,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-11 13:37:34,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-06-11 13:37:34,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:37:34,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-06-11 13:37:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-11 13:37:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:37:34,059 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-11 13:37:34,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 50 [2021-06-11 13:37:34,059 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.3 percent of original size [2021-06-11 13:37:34,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:34,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:37:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:34,061 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-11 13:37:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:37:34,061 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:37:34,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:34,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:37:34,066 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-06-11 13:37:34,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:34,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:34,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:34,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:34,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:37:34,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:37:34,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099456364] [2021-06-11 13:37:34,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:37:34,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:37:34,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:37:34,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:37:34,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:37:34,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 1747 transitions, 58480 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:34,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:37:34,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:37:34,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:37:37,477 INFO L129 PetriNetUnfolder]: 1777/4714 cut-off events. [2021-06-11 13:37:37,477 INFO L130 PetriNetUnfolder]: For 333883/333895 co-relation queries the response was YES. [2021-06-11 13:37:37,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68262 conditions, 4714 events. 1777/4714 cut-off events. For 333883/333895 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 48324 event pairs, 148 based on Foata normal form. 16/4730 useless extension candidates. Maximal degree in co-relation 67925. Up to 3478 conditions per place. [2021-06-11 13:37:37,594 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1588 selfloop transitions, 168 changer transitions 5/1767 dead transitions. [2021-06-11 13:37:37,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 1767 transitions, 62584 flow [2021-06-11 13:37:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-11 13:37:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-11 13:37:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 281 transitions. [2021-06-11 13:37:37,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45032051282051283 [2021-06-11 13:37:37,595 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 281 transitions. [2021-06-11 13:37:37,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 281 transitions. [2021-06-11 13:37:37,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:37:37,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 281 transitions. [2021-06-11 13:37:37,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 17.5625) internal successors, (281), 16 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:37,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:37,596 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:37,596 INFO L185 Difference]: Start difference. First operand has 634 places, 1747 transitions, 58480 flow. Second operand 16 states and 281 transitions. [2021-06-11 13:37:37,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 1767 transitions, 62584 flow [2021-06-11 13:37:41,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 1767 transitions, 62381 flow, removed 72 selfloop flow, removed 6 redundant places. [2021-06-11 13:37:41,425 INFO L241 Difference]: Finished difference. Result has 646 places, 1753 transitions, 58911 flow [2021-06-11 13:37:41,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=58277, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=58911, PETRI_PLACES=646, PETRI_TRANSITIONS=1753} [2021-06-11 13:37:41,427 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 625 predicate places. [2021-06-11 13:37:41,427 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:37:41,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 646 places, 1753 transitions, 58911 flow [2021-06-11 13:37:41,427 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 646 places, 1753 transitions, 58911 flow [2021-06-11 13:37:41,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 646 places, 1753 transitions, 58911 flow [2021-06-11 13:37:42,737 INFO L129 PetriNetUnfolder]: 1582/4356 cut-off events. [2021-06-11 13:37:42,738 INFO L130 PetriNetUnfolder]: For 289163/289317 co-relation queries the response was YES. [2021-06-11 13:37:42,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60066 conditions, 4356 events. 1582/4356 cut-off events. For 289163/289317 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 45510 event pairs, 21 based on Foata normal form. 35/4382 useless extension candidates. Maximal degree in co-relation 59744. Up to 868 conditions per place. [2021-06-11 13:37:42,862 INFO L151 LiptonReduction]: Number of co-enabled transitions 2310 [2021-06-11 13:37:43,211 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:37:43,211 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:37:43,211 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1784 [2021-06-11 13:37:43,211 INFO L480 AbstractCegarLoop]: Abstraction has has 646 places, 1753 transitions, 58911 flow [2021-06-11 13:37:43,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:43,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:37:43,211 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:37:43,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-06-11 13:37:43,412 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:37:43,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:37:43,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1280081801, now seen corresponding path program 16 times [2021-06-11 13:37:43,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:37:43,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342121869] [2021-06-11 13:37:43,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:37:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:43,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:43,443 INFO L142 QuantifierPusher]: treesize reduction 28, result has 70.2 percent of original size [2021-06-11 13:37:43,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:37:43,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:37:43,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:43,517 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:37:43,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:43,528 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:37:43,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:43,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342121869] [2021-06-11 13:37:43,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554942296] [2021-06-11 13:37:43,539 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:37:43,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:37:43,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:37:43,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:37:43,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,596 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-06-11 13:37:43,596 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 13:37:43,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:43,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,615 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.2 percent of original size 32 [2021-06-11 13:37:43,616 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.2 percent of original size [2021-06-11 13:37:43,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:37:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:37:43,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:37:43,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,635 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size 37 [2021-06-11 13:37:43,635 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.7 percent of original size [2021-06-11 13:37:43,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:37:43,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:37:43,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,670 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-06-11 13:37:43,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:43,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:43,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:43,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:43,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:43,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:43,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:37:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:37:43,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-06-11 13:37:43,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:37:43,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:37:43,689 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:37:43,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:37:43,689 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:37:43,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,698 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:43,699 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,700 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:37:43,701 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:37:43,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:37:43,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2021-06-11 13:37:43,701 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:37:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:43,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:43,720 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:37:43,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:43,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,723 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:37:43,724 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:43,725 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-06-11 13:37:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:43,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:43,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:43,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:43,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:43,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:37:43,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:37:43,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762035192] [2021-06-11 13:37:43,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:37:43,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:37:43,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:37:43,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:37:43,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:37:43,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 1753 transitions, 58911 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:43,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:37:43,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:37:43,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:37:47,408 INFO L129 PetriNetUnfolder]: 1827/4788 cut-off events. [2021-06-11 13:37:47,408 INFO L130 PetriNetUnfolder]: For 345348/345374 co-relation queries the response was YES. [2021-06-11 13:37:47,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69771 conditions, 4788 events. 1827/4788 cut-off events. For 345348/345374 co-relation queries the response was YES. Maximal size of possible extension queue 613. Compared 48817 event pairs, 141 based on Foata normal form. 23/4811 useless extension candidates. Maximal degree in co-relation 69443. Up to 3604 conditions per place. [2021-06-11 13:37:47,510 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1675 selfloop transitions, 129 changer transitions 7/1817 dead transitions. [2021-06-11 13:37:47,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 1817 transitions, 64223 flow [2021-06-11 13:37:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-11 13:37:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-06-11 13:37:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 292 transitions. [2021-06-11 13:37:47,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46794871794871795 [2021-06-11 13:37:47,511 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 292 transitions. [2021-06-11 13:37:47,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 292 transitions. [2021-06-11 13:37:47,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:37:47,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 292 transitions. [2021-06-11 13:37:47,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 18.25) internal successors, (292), 16 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:47,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:47,512 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 39.0) internal successors, (663), 17 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:47,512 INFO L185 Difference]: Start difference. First operand has 646 places, 1753 transitions, 58911 flow. Second operand 16 states and 292 transitions. [2021-06-11 13:37:47,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 1817 transitions, 64223 flow [2021-06-11 13:37:51,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 1817 transitions, 64004 flow, removed 32 selfloop flow, removed 9 redundant places. [2021-06-11 13:37:51,313 INFO L241 Difference]: Finished difference. Result has 656 places, 1798 transitions, 60357 flow [2021-06-11 13:37:51,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=58692, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1624, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=60357, PETRI_PLACES=656, PETRI_TRANSITIONS=1798} [2021-06-11 13:37:51,314 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 635 predicate places. [2021-06-11 13:37:51,315 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:37:51,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 1798 transitions, 60357 flow [2021-06-11 13:37:51,315 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 1798 transitions, 60357 flow [2021-06-11 13:37:51,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 656 places, 1798 transitions, 60357 flow [2021-06-11 13:37:52,934 INFO L129 PetriNetUnfolder]: 1623/4450 cut-off events. [2021-06-11 13:37:52,934 INFO L130 PetriNetUnfolder]: For 301096/301238 co-relation queries the response was YES. [2021-06-11 13:37:53,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61532 conditions, 4450 events. 1623/4450 cut-off events. For 301096/301238 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 46536 event pairs, 21 based on Foata normal form. 33/4475 useless extension candidates. Maximal degree in co-relation 61201. Up to 883 conditions per place. [2021-06-11 13:37:53,074 INFO L151 LiptonReduction]: Number of co-enabled transitions 2342 [2021-06-11 13:37:53,632 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:37:53,632 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:37:53,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2317 [2021-06-11 13:37:53,633 INFO L480 AbstractCegarLoop]: Abstraction has has 656 places, 1798 transitions, 60357 flow [2021-06-11 13:37:53,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:53,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:37:53,633 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:37:53,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:53,833 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:37:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:37:53,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1507046473, now seen corresponding path program 17 times [2021-06-11 13:37:53,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:37:53,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377278778] [2021-06-11 13:37:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:37:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:37:53,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:53,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:53,864 INFO L142 QuantifierPusher]: treesize reduction 28, result has 70.2 percent of original size [2021-06-11 13:37:53,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:37:53,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:53,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:37:53,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:53,957 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:37:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:37:53,974 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:37:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:53,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:53,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377278778] [2021-06-11 13:37:53,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775100740] [2021-06-11 13:37:53,983 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:37:54,002 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:37:54,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:37:54,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:37:54,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:37:54,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:54,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:54,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:54,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:54,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,056 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 13:37:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:54,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:54,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:37:54,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:37:54,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:37:54,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:37:54,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:37:54,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:37:54,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:37:54,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:37:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:37:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:37:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:37:54,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-06-11 13:37:54,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,103 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:37:54,103 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,104 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-06-11 13:37:54,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:54,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:54,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:37:54,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-11 13:37:54,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,135 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:54,136 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,137 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:54,138 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:37:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-11 13:37:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-11 13:37:54,141 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:54,141 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,142 INFO L142 QuantifierPusher]: treesize reduction 14, result has 82.1 percent of original size [2021-06-11 13:37:54,143 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-06-11 13:37:54,143 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,146 INFO L147 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size 33 [2021-06-11 13:37:54,147 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:37:54,147 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:37:54,149 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-06-11 13:37:54,151 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size 60 [2021-06-11 13:37:54,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-11 13:37:54,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:71 [2021-06-11 13:37:54,152 INFO L142 QuantifierPusher]: treesize reduction 11, result has 84.5 percent of original size [2021-06-11 13:37:54,152 INFO L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-06-11 13:37:54,153 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-06-11 13:37:54,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:37:54,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:37:54,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:37:54,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:37:54,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:37:54,210 INFO L142 QuantifierPusher]: treesize reduction 16, result has 65.2 percent of original size [2021-06-11 13:37:54,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:54,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:37:54,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:37:54,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,212 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:37:54,213 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:37:54,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:54,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:54,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:37:54,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:37:54,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:37:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:37:54,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:37:54,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:37:54,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982716040] [2021-06-11 13:37:54,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:37:54,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:37:54,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:37:54,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:37:54,230 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:37:54,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 1798 transitions, 60357 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:54,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:37:54,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:37:54,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:37:58,175 INFO L129 PetriNetUnfolder]: 1839/4812 cut-off events. [2021-06-11 13:37:58,176 INFO L130 PetriNetUnfolder]: For 353555/353581 co-relation queries the response was YES. [2021-06-11 13:37:58,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70537 conditions, 4812 events. 1839/4812 cut-off events. For 353555/353581 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 49053 event pairs, 135 based on Foata normal form. 24/4836 useless extension candidates. Maximal degree in co-relation 70200. Up to 3591 conditions per place. [2021-06-11 13:37:58,295 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1656 selfloop transitions, 188 changer transitions 5/1855 dead transitions. [2021-06-11 13:37:58,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 1855 transitions, 65589 flow [2021-06-11 13:37:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:37:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:37:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 311 transitions. [2021-06-11 13:37:58,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46907993966817496 [2021-06-11 13:37:58,295 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 311 transitions. [2021-06-11 13:37:58,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 311 transitions. [2021-06-11 13:37:58,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:37:58,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 311 transitions. [2021-06-11 13:37:58,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.294117647058822) internal successors, (311), 17 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:58,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:58,296 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:37:58,296 INFO L185 Difference]: Start difference. First operand has 656 places, 1798 transitions, 60357 flow. Second operand 17 states and 311 transitions. [2021-06-11 13:37:58,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 1855 transitions, 65589 flow [2021-06-11 13:38:02,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 1855 transitions, 64988 flow, removed 230 selfloop flow, removed 8 redundant places. [2021-06-11 13:38:02,428 INFO L241 Difference]: Finished difference. Result has 669 places, 1836 transitions, 61528 flow [2021-06-11 13:38:02,429 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=59807, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1798, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=61528, PETRI_PLACES=669, PETRI_TRANSITIONS=1836} [2021-06-11 13:38:02,429 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 648 predicate places. [2021-06-11 13:38:02,429 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:38:02,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 1836 transitions, 61528 flow [2021-06-11 13:38:02,429 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 1836 transitions, 61528 flow [2021-06-11 13:38:02,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 1836 transitions, 61528 flow [2021-06-11 13:38:04,008 INFO L129 PetriNetUnfolder]: 1628/4458 cut-off events. [2021-06-11 13:38:04,008 INFO L130 PetriNetUnfolder]: For 313637/313791 co-relation queries the response was YES. [2021-06-11 13:38:04,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62122 conditions, 4458 events. 1628/4458 cut-off events. For 313637/313791 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 46660 event pairs, 21 based on Foata normal form. 37/4486 useless extension candidates. Maximal degree in co-relation 61657. Up to 876 conditions per place. [2021-06-11 13:38:04,162 INFO L151 LiptonReduction]: Number of co-enabled transitions 2370 [2021-06-11 13:38:04,614 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:38:04,614 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:38:04,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2185 [2021-06-11 13:38:04,614 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 1836 transitions, 61528 flow [2021-06-11 13:38:04,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:04,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:38:04,614 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:38:04,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:04,817 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:38:04,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:38:04,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1307755721, now seen corresponding path program 44 times [2021-06-11 13:38:04,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:38:04,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933320911] [2021-06-11 13:38:04,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:38:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:38:04,832 INFO L142 QuantifierPusher]: treesize reduction 56, result has 34.1 percent of original size [2021-06-11 13:38:04,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:38:04,852 INFO L142 QuantifierPusher]: treesize reduction 24, result has 70.7 percent of original size [2021-06-11 13:38:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:38:04,900 INFO L142 QuantifierPusher]: treesize reduction 62, result has 56.3 percent of original size [2021-06-11 13:38:04,901 INFO L147 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-06-11 13:38:04,966 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-06-11 13:38:04,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:38:05,000 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-06-11 13:38:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:05,017 INFO L142 QuantifierPusher]: treesize reduction 28, result has 37.8 percent of original size [2021-06-11 13:38:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:05,033 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:38:05,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:05,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933320911] [2021-06-11 13:38:05,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044353585] [2021-06-11 13:38:05,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:05,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:38:05,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:38:05,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:38:05,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:38:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:05,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,113 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-06-11 13:38:05,113 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 13:38:05,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:05,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:05,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:05,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:05,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:38:05,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:05,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:38:05,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:05,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:05,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:05,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:05,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:38:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:38:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:38:05,159 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 39 [2021-06-11 13:38:05,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 13:38:05,160 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-11 13:38:05,160 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:38:05,161 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,161 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:38:05,162 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,163 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-06-11 13:38:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:38:05,164 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-11 13:38:05,164 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:38:05,164 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,166 INFO L147 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size 34 [2021-06-11 13:38:05,166 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-06-11 13:38:05,167 INFO L147 QuantifierPusher]: treesize reduction 26, result has 23.5 percent of original size 8 [2021-06-11 13:38:05,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-11 13:38:05,191 INFO L628 ElimStorePlain]: treesize reduction 26, result has 40.9 percent of original size [2021-06-11 13:38:05,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,192 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:38:05,193 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,194 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:38:05,194 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:38:05,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:38:05,195 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2021-06-11 13:38:05,195 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:38:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:05,220 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:38:05,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:05,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:05,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:05,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,223 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:38:05,223 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:05,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-06-11 13:38:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:05,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:05,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:05,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:38:05,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:38:05,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710209221] [2021-06-11 13:38:05,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:38:05,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:38:05,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:38:05,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:38:05,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:38:05,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 1836 transitions, 61528 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:05,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:38:05,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:38:05,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:38:09,143 INFO L129 PetriNetUnfolder]: 1861/4885 cut-off events. [2021-06-11 13:38:09,143 INFO L130 PetriNetUnfolder]: For 370264/370290 co-relation queries the response was YES. [2021-06-11 13:38:09,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72068 conditions, 4885 events. 1861/4885 cut-off events. For 370264/370290 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 50019 event pairs, 146 based on Foata normal form. 27/4912 useless extension candidates. Maximal degree in co-relation 71731. Up to 3504 conditions per place. [2021-06-11 13:38:09,262 INFO L132 encePairwiseOnDemand]: 31/39 looper letters, 1590 selfloop transitions, 289 changer transitions 16/1901 dead transitions. [2021-06-11 13:38:09,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 1901 transitions, 67166 flow [2021-06-11 13:38:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:38:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:38:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 312 transitions. [2021-06-11 13:38:09,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47058823529411764 [2021-06-11 13:38:09,264 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 312 transitions. [2021-06-11 13:38:09,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 312 transitions. [2021-06-11 13:38:09,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:38:09,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 312 transitions. [2021-06-11 13:38:09,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.352941176470587) internal successors, (312), 17 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:09,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:09,265 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:09,265 INFO L185 Difference]: Start difference. First operand has 669 places, 1836 transitions, 61528 flow. Second operand 17 states and 312 transitions. [2021-06-11 13:38:09,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 1901 transitions, 67166 flow [2021-06-11 13:38:13,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 1901 transitions, 66686 flow, removed 116 selfloop flow, removed 11 redundant places. [2021-06-11 13:38:13,714 INFO L241 Difference]: Finished difference. Result has 678 places, 1866 transitions, 62914 flow [2021-06-11 13:38:13,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=61048, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=62914, PETRI_PLACES=678, PETRI_TRANSITIONS=1866} [2021-06-11 13:38:13,716 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 657 predicate places. [2021-06-11 13:38:13,717 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:38:13,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 678 places, 1866 transitions, 62914 flow [2021-06-11 13:38:13,717 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 678 places, 1866 transitions, 62914 flow [2021-06-11 13:38:13,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 678 places, 1866 transitions, 62914 flow [2021-06-11 13:38:15,342 INFO L129 PetriNetUnfolder]: 1646/4500 cut-off events. [2021-06-11 13:38:15,342 INFO L130 PetriNetUnfolder]: For 324688/324847 co-relation queries the response was YES. [2021-06-11 13:38:15,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63249 conditions, 4500 events. 1646/4500 cut-off events. For 324688/324847 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 47019 event pairs, 21 based on Foata normal form. 37/4527 useless extension candidates. Maximal degree in co-relation 62574. Up to 864 conditions per place. [2021-06-11 13:38:15,481 INFO L151 LiptonReduction]: Number of co-enabled transitions 2412 [2021-06-11 13:38:15,932 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:38:15,933 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:38:15,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2216 [2021-06-11 13:38:15,933 INFO L480 AbstractCegarLoop]: Abstraction has has 678 places, 1866 transitions, 62914 flow [2021-06-11 13:38:15,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:15,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:38:15,933 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:38:16,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:16,141 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:38:16,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:38:16,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1923635635, now seen corresponding path program 18 times [2021-06-11 13:38:16,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:38:16,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357544180] [2021-06-11 13:38:16,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:38:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:38:16,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:16,173 INFO L142 QuantifierPusher]: treesize reduction 82, result has 44.6 percent of original size [2021-06-11 13:38:16,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:38:16,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:38:16,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:38:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:38:16,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:38:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:16,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357544180] [2021-06-11 13:38:16,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067892341] [2021-06-11 13:38:16,335 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:16,357 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:38:16,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:38:16,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-11 13:38:16,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:38:16,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,400 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-06-11 13:38:16,400 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 13:38:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:38:16,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:38:16,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:38:16,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:16,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:16,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:16,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:16,445 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-11 13:38:16,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:16,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:38:16,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:38:16,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:16,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,471 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-06-11 13:38:16,472 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-06-11 13:38:16,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:16,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:38:16,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:16,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:38:16,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:16,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:16,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:38:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:38:16,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:38:16,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:38:16,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:16,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:16,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:38:16,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:16,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:38:16,492 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:38:16,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:16,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:16,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:16,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:16,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:38:16,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:38:16,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699377942] [2021-06-11 13:38:16,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:38:16,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:38:16,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:38:16,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:38:16,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:38:16,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 1866 transitions, 62914 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:16,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:38:16,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:38:16,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:38:20,473 INFO L129 PetriNetUnfolder]: 1865/4857 cut-off events. [2021-06-11 13:38:20,473 INFO L130 PetriNetUnfolder]: For 376216/376228 co-relation queries the response was YES. [2021-06-11 13:38:20,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72415 conditions, 4857 events. 1865/4857 cut-off events. For 376216/376228 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 49549 event pairs, 146 based on Foata normal form. 15/4872 useless extension candidates. Maximal degree in co-relation 71800. Up to 3688 conditions per place. [2021-06-11 13:38:20,597 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1733 selfloop transitions, 144 changer transitions 0/1883 dead transitions. [2021-06-11 13:38:20,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 1883 transitions, 67046 flow [2021-06-11 13:38:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:38:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:38:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 303 transitions. [2021-06-11 13:38:20,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45701357466063347 [2021-06-11 13:38:20,598 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 303 transitions. [2021-06-11 13:38:20,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 303 transitions. [2021-06-11 13:38:20,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:38:20,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 303 transitions. [2021-06-11 13:38:20,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 17.823529411764707) internal successors, (303), 17 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:20,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:20,600 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:20,600 INFO L185 Difference]: Start difference. First operand has 678 places, 1866 transitions, 62914 flow. Second operand 17 states and 303 transitions. [2021-06-11 13:38:20,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 1883 transitions, 67046 flow [2021-06-11 13:38:25,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 688 places, 1883 transitions, 66771 flow, removed 119 selfloop flow, removed 5 redundant places. [2021-06-11 13:38:25,277 INFO L241 Difference]: Finished difference. Result has 689 places, 1875 transitions, 63256 flow [2021-06-11 13:38:25,278 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=62634, PETRI_DIFFERENCE_MINUEND_PLACES=672, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1721, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=63256, PETRI_PLACES=689, PETRI_TRANSITIONS=1875} [2021-06-11 13:38:25,279 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 668 predicate places. [2021-06-11 13:38:25,279 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:38:25,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 1875 transitions, 63256 flow [2021-06-11 13:38:25,279 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 1875 transitions, 63256 flow [2021-06-11 13:38:25,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 1875 transitions, 63256 flow [2021-06-11 13:38:26,727 INFO L129 PetriNetUnfolder]: 1655/4518 cut-off events. [2021-06-11 13:38:26,727 INFO L130 PetriNetUnfolder]: For 322401/322576 co-relation queries the response was YES. [2021-06-11 13:38:26,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63366 conditions, 4518 events. 1655/4518 cut-off events. For 322401/322576 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 47149 event pairs, 22 based on Foata normal form. 44/4552 useless extension candidates. Maximal degree in co-relation 62923. Up to 863 conditions per place. [2021-06-11 13:38:26,869 INFO L151 LiptonReduction]: Number of co-enabled transitions 2414 [2021-06-11 13:38:27,282 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:38:27,283 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:38:27,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2004 [2021-06-11 13:38:27,283 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 1875 transitions, 63256 flow [2021-06-11 13:38:27,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:27,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:38:27,283 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:38:27,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-06-11 13:38:27,484 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:38:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:38:27,485 INFO L82 PathProgramCache]: Analyzing trace with hash -377028395, now seen corresponding path program 45 times [2021-06-11 13:38:27,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:38:27,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452928132] [2021-06-11 13:38:27,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:38:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:38:27,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.7 percent of original size [2021-06-11 13:38:27,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:27,517 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-06-11 13:38:27,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:38:27,542 INFO L142 QuantifierPusher]: treesize reduction 39, result has 35.0 percent of original size [2021-06-11 13:38:27,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:27,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:27,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:27,573 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-06-11 13:38:27,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:27,584 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-11 13:38:27,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:27,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452928132] [2021-06-11 13:38:27,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731343312] [2021-06-11 13:38:27,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:27,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:38:27,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:38:27,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:38:27,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:38:27,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:27,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:27,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:27,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:38:27,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:27,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:27,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:27,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:27,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,619 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-06-11 13:38:27,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 13:38:27,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:27,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:27,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:27,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:27,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:27,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,662 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 13:38:27,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:38:27,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:38:27,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:27,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:27,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,684 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 13:38:27,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:27,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:38:27,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:27,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:38:27,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:38:27,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:27,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:27,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:27,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:27,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:27,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:27,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:38:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:38:27,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:38:27,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:38:27,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:27,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:27,697 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:38:27,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:27,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:38:27,701 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:38:27,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:27,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:27,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:27,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:27,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:38:27,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-06-11 13:38:27,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997078405] [2021-06-11 13:38:27,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:38:27,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:38:27,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:38:27,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:38:27,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2021-06-11 13:38:27,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 1875 transitions, 63256 flow. Second operand has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:27,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:38:27,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2021-06-11 13:38:27,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:38:31,786 INFO L129 PetriNetUnfolder]: 1768/4832 cut-off events. [2021-06-11 13:38:31,787 INFO L130 PetriNetUnfolder]: For 365480/365685 co-relation queries the response was YES. [2021-06-11 13:38:31,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70717 conditions, 4832 events. 1768/4832 cut-off events. For 365480/365685 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 50684 event pairs, 28 based on Foata normal form. 49/4869 useless extension candidates. Maximal degree in co-relation 70261. Up to 2488 conditions per place. [2021-06-11 13:38:31,897 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1293 selfloop transitions, 594 changer transitions 1/1987 dead transitions. [2021-06-11 13:38:31,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 1987 transitions, 70551 flow [2021-06-11 13:38:31,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 13:38:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 13:38:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 495 transitions. [2021-06-11 13:38:31,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518394648829431 [2021-06-11 13:38:31,899 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 495 transitions. [2021-06-11 13:38:31,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 495 transitions. [2021-06-11 13:38:31,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:38:31,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 495 transitions. [2021-06-11 13:38:31,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 21.52173913043478) internal successors, (495), 23 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:31,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 39.0) internal successors, (936), 24 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:31,900 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 39.0) internal successors, (936), 24 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:31,900 INFO L185 Difference]: Start difference. First operand has 689 places, 1875 transitions, 63256 flow. Second operand 23 states and 495 transitions. [2021-06-11 13:38:31,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 1987 transitions, 70551 flow [2021-06-11 13:38:36,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 699 places, 1987 transitions, 70335 flow, removed 21 selfloop flow, removed 11 redundant places. [2021-06-11 13:38:36,343 INFO L241 Difference]: Finished difference. Result has 705 places, 1970 transitions, 68186 flow [2021-06-11 13:38:36,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=63031, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1874, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=503, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=68186, PETRI_PLACES=705, PETRI_TRANSITIONS=1970} [2021-06-11 13:38:36,344 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 684 predicate places. [2021-06-11 13:38:36,344 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:38:36,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 705 places, 1970 transitions, 68186 flow [2021-06-11 13:38:36,345 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 705 places, 1970 transitions, 68186 flow [2021-06-11 13:38:36,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 705 places, 1970 transitions, 68186 flow [2021-06-11 13:38:38,208 INFO L129 PetriNetUnfolder]: 1742/4785 cut-off events. [2021-06-11 13:38:38,208 INFO L130 PetriNetUnfolder]: For 363069/363258 co-relation queries the response was YES. [2021-06-11 13:38:38,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68753 conditions, 4785 events. 1742/4785 cut-off events. For 363069/363258 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 50571 event pairs, 25 based on Foata normal form. 23/4793 useless extension candidates. Maximal degree in co-relation 68155. Up to 902 conditions per place. [2021-06-11 13:38:38,345 INFO L151 LiptonReduction]: Number of co-enabled transitions 2546 [2021-06-11 13:38:38,761 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:38:38,761 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:38:38,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2417 [2021-06-11 13:38:38,762 INFO L480 AbstractCegarLoop]: Abstraction has has 705 places, 1970 transitions, 68186 flow [2021-06-11 13:38:38,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:38,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:38:38,762 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:38:38,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:38,962 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:38:38,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:38:38,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1419443563, now seen corresponding path program 19 times [2021-06-11 13:38:38,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:38:38,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100181586] [2021-06-11 13:38:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:38:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:38:38,972 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-06-11 13:38:38,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:38,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:38,993 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-06-11 13:38:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:38:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:39,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:38:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:39,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100181586] [2021-06-11 13:38:39,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602642809] [2021-06-11 13:38:39,066 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:38:39,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:38:39,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:38:39,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:39,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:39,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:39,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:39,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:39,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:39,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:39,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:39,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-11 13:38:39,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:39,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:38:39,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:38:39,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,188 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:38:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:38:39,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:39,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:39,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:39,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:39,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:38:39,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:38:39,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:38:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:39,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:39,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:38:39,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:39,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:38:39,209 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:38:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:39,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:39,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:39,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:38:39,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:38:39,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113414130] [2021-06-11 13:38:39,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:38:39,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:38:39,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:38:39,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:38:39,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:38:39,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 705 places, 1970 transitions, 68186 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:39,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:38:39,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:38:39,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:38:43,908 INFO L129 PetriNetUnfolder]: 1986/5153 cut-off events. [2021-06-11 13:38:43,908 INFO L130 PetriNetUnfolder]: For 426416/426428 co-relation queries the response was YES. [2021-06-11 13:38:44,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79213 conditions, 5153 events. 1986/5153 cut-off events. For 426416/426428 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 52773 event pairs, 138 based on Foata normal form. 11/5164 useless extension candidates. Maximal degree in co-relation 78740. Up to 3967 conditions per place. [2021-06-11 13:38:44,060 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1939 selfloop transitions, 60 changer transitions 0/2005 dead transitions. [2021-06-11 13:38:44,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 2005 transitions, 73436 flow [2021-06-11 13:38:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:38:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:38:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-06-11 13:38:44,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46923076923076923 [2021-06-11 13:38:44,061 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-06-11 13:38:44,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-06-11 13:38:44,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:38:44,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-06-11 13:38:44,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:44,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:44,062 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:44,062 INFO L185 Difference]: Start difference. First operand has 705 places, 1970 transitions, 68186 flow. Second operand 10 states and 183 transitions. [2021-06-11 13:38:44,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 2005 transitions, 73436 flow [2021-06-11 13:38:49,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 2005 transitions, 72880 flow, removed 256 selfloop flow, removed 5 redundant places. [2021-06-11 13:38:49,043 INFO L241 Difference]: Finished difference. Result has 713 places, 1996 transitions, 68772 flow [2021-06-11 13:38:49,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=67630, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1914, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=68772, PETRI_PLACES=713, PETRI_TRANSITIONS=1996} [2021-06-11 13:38:49,045 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 692 predicate places. [2021-06-11 13:38:49,045 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:38:49,045 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 713 places, 1996 transitions, 68772 flow [2021-06-11 13:38:49,045 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 713 places, 1996 transitions, 68772 flow [2021-06-11 13:38:49,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 713 places, 1996 transitions, 68772 flow [2021-06-11 13:38:50,753 INFO L129 PetriNetUnfolder]: 1762/4830 cut-off events. [2021-06-11 13:38:50,753 INFO L130 PetriNetUnfolder]: For 373333/373531 co-relation queries the response was YES. [2021-06-11 13:38:50,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69469 conditions, 4830 events. 1762/4830 cut-off events. For 373333/373531 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 51062 event pairs, 25 based on Foata normal form. 34/4851 useless extension candidates. Maximal degree in co-relation 68869. Up to 858 conditions per place. [2021-06-11 13:38:50,904 INFO L151 LiptonReduction]: Number of co-enabled transitions 2590 [2021-06-11 13:38:51,373 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:38:51,374 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:38:51,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2329 [2021-06-11 13:38:51,374 INFO L480 AbstractCegarLoop]: Abstraction has has 713 places, 1996 transitions, 68772 flow [2021-06-11 13:38:51,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:51,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:38:51,374 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:38:51,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-06-11 13:38:51,575 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:38:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:38:51,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1859810863, now seen corresponding path program 20 times [2021-06-11 13:38:51,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:38:51,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049383832] [2021-06-11 13:38:51,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:38:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:38:51,593 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-06-11 13:38:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:38:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:38:51,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:38:51,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:38:51,639 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:38:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:38:51,652 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:38:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:51,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049383832] [2021-06-11 13:38:51,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55897423] [2021-06-11 13:38:51,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:38:51,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:38:51,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:38:51,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:38:51,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:38:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:51,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:38:51,739 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:38:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:38:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,762 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-06-11 13:38:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,802 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size [2021-06-11 13:38:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:51,803 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 13:38:51,803 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 13:38:51,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:51,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:38:51,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:38:51,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:51,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:38:51,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:38:51,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:38:51,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,832 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-06-11 13:38:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:51,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:38:51,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:38:51,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:38:51,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:38:51,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:38:51,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:38:51,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:38:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:38:51,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:38:51,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:38:51,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:51,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:51,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:38:51,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:51,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:38:51,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:38:51,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:51,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:38:51,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:38:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:38:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:38:51,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:38:51,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:38:51,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254297197] [2021-06-11 13:38:51,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:38:51,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:38:51,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:38:51,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:38:51,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:38:51,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 1996 transitions, 68772 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:51,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:38:51,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:38:51,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:38:56,439 INFO L129 PetriNetUnfolder]: 2075/5320 cut-off events. [2021-06-11 13:38:56,440 INFO L130 PetriNetUnfolder]: For 454435/454496 co-relation queries the response was YES. [2021-06-11 13:38:56,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82010 conditions, 5320 events. 2075/5320 cut-off events. For 454435/454496 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 54285 event pairs, 148 based on Foata normal form. 42/5362 useless extension candidates. Maximal degree in co-relation 81532. Up to 4047 conditions per place. [2021-06-11 13:38:56,558 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1969 selfloop transitions, 113 changer transitions 0/2088 dead transitions. [2021-06-11 13:38:56,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 723 places, 2088 transitions, 75606 flow [2021-06-11 13:38:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:38:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:38:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 205 transitions. [2021-06-11 13:38:56,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47785547785547783 [2021-06-11 13:38:56,559 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 205 transitions. [2021-06-11 13:38:56,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 205 transitions. [2021-06-11 13:38:56,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:38:56,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 205 transitions. [2021-06-11 13:38:56,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.636363636363637) internal successors, (205), 11 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:56,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:56,560 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:38:56,560 INFO L185 Difference]: Start difference. First operand has 713 places, 1996 transitions, 68772 flow. Second operand 11 states and 205 transitions. [2021-06-11 13:38:56,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 723 places, 2088 transitions, 75606 flow [2021-06-11 13:39:02,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 2088 transitions, 75155 flow, removed 208 selfloop flow, removed 4 redundant places. [2021-06-11 13:39:02,161 INFO L241 Difference]: Finished difference. Result has 724 places, 2070 transitions, 70882 flow [2021-06-11 13:39:02,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=68323, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=70882, PETRI_PLACES=724, PETRI_TRANSITIONS=2070} [2021-06-11 13:39:02,163 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 703 predicate places. [2021-06-11 13:39:02,163 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:39:02,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 2070 transitions, 70882 flow [2021-06-11 13:39:02,163 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 2070 transitions, 70882 flow [2021-06-11 13:39:02,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 724 places, 2070 transitions, 70882 flow [2021-06-11 13:39:04,032 INFO L129 PetriNetUnfolder]: 1837/4977 cut-off events. [2021-06-11 13:39:04,032 INFO L130 PetriNetUnfolder]: For 397319/397536 co-relation queries the response was YES. [2021-06-11 13:39:04,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72188 conditions, 4977 events. 1837/4977 cut-off events. For 397319/397536 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 52509 event pairs, 28 based on Foata normal form. 48/5013 useless extension candidates. Maximal degree in co-relation 71582. Up to 885 conditions per place. [2021-06-11 13:39:04,198 INFO L151 LiptonReduction]: Number of co-enabled transitions 2648 [2021-06-11 13:39:04,725 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:39:04,725 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:39:04,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2562 [2021-06-11 13:39:04,725 INFO L480 AbstractCegarLoop]: Abstraction has has 724 places, 2070 transitions, 70882 flow [2021-06-11 13:39:04,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:04,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:39:04,725 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:39:04,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-06-11 13:39:04,926 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:39:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:39:04,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1464551049, now seen corresponding path program 21 times [2021-06-11 13:39:04,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:39:04,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876858338] [2021-06-11 13:39:04,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:39:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:39:04,937 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-06-11 13:39:04,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:04,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:39:04,957 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-06-11 13:39:04,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:39:04,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:04,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:39:05,003 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:39:05,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:39:05,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:39:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:05,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876858338] [2021-06-11 13:39:05,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907565907] [2021-06-11 13:39:05,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:39:05,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:39:05,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:39:05,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:39:05,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,076 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 13:39:05,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:39:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:05,098 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:39:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:39:05,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:39:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:05,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:39:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,169 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-06-11 13:39:05,169 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-06-11 13:39:05,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:39:05,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:39:05,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:39:05,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:39:05,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:05,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:39:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:39:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:39:05,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:39:05,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:39:05,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:05,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:05,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:39:05,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:05,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:39:05,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:39:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:05,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:05,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:05,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:39:05,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:39:05,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635289156] [2021-06-11 13:39:05,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:39:05,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:39:05,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:39:05,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:39:05,199 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:39:05,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 2070 transitions, 70882 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:05,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:39:05,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:39:05,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:39:09,923 INFO L129 PetriNetUnfolder]: 2106/5403 cut-off events. [2021-06-11 13:39:09,923 INFO L130 PetriNetUnfolder]: For 475617/475623 co-relation queries the response was YES. [2021-06-11 13:39:10,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83917 conditions, 5403 events. 2106/5403 cut-off events. For 475617/475623 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 55373 event pairs, 146 based on Foata normal form. 7/5410 useless extension candidates. Maximal degree in co-relation 83433. Up to 4134 conditions per place. [2021-06-11 13:39:10,053 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1998 selfloop transitions, 102 changer transitions 0/2106 dead transitions. [2021-06-11 13:39:10,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 735 places, 2106 transitions, 76319 flow [2021-06-11 13:39:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:39:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:39:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 218 transitions. [2021-06-11 13:39:10,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4658119658119658 [2021-06-11 13:39:10,054 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 218 transitions. [2021-06-11 13:39:10,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 218 transitions. [2021-06-11 13:39:10,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:39:10,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 218 transitions. [2021-06-11 13:39:10,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.166666666666668) internal successors, (218), 12 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:10,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:10,055 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:10,055 INFO L185 Difference]: Start difference. First operand has 724 places, 2070 transitions, 70882 flow. Second operand 12 states and 218 transitions. [2021-06-11 13:39:10,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 735 places, 2106 transitions, 76319 flow [2021-06-11 13:39:15,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 2106 transitions, 75483 flow, removed 412 selfloop flow, removed 2 redundant places. [2021-06-11 13:39:15,708 INFO L241 Difference]: Finished difference. Result has 735 places, 2094 transitions, 71151 flow [2021-06-11 13:39:15,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=70046, PETRI_DIFFERENCE_MINUEND_PLACES=722, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2070, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1976, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=71151, PETRI_PLACES=735, PETRI_TRANSITIONS=2094} [2021-06-11 13:39:15,710 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 714 predicate places. [2021-06-11 13:39:15,710 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:39:15,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 735 places, 2094 transitions, 71151 flow [2021-06-11 13:39:15,710 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 735 places, 2094 transitions, 71151 flow [2021-06-11 13:39:15,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 735 places, 2094 transitions, 71151 flow [2021-06-11 13:39:17,547 INFO L129 PetriNetUnfolder]: 1862/5035 cut-off events. [2021-06-11 13:39:17,547 INFO L130 PetriNetUnfolder]: For 411238/411476 co-relation queries the response was YES. [2021-06-11 13:39:17,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73093 conditions, 5035 events. 1862/5035 cut-off events. For 411238/411476 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53106 event pairs, 29 based on Foata normal form. 62/5086 useless extension candidates. Maximal degree in co-relation 72484. Up to 892 conditions per place. [2021-06-11 13:39:17,721 INFO L151 LiptonReduction]: Number of co-enabled transitions 2662 [2021-06-11 13:39:18,247 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:39:18,247 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:39:18,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2537 [2021-06-11 13:39:18,247 INFO L480 AbstractCegarLoop]: Abstraction has has 735 places, 2094 transitions, 71151 flow [2021-06-11 13:39:18,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:18,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:39:18,247 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:39:18,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,67 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:18,448 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:39:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:39:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash 380872573, now seen corresponding path program 46 times [2021-06-11 13:39:18,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:39:18,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600383483] [2021-06-11 13:39:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:39:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:39:18,465 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-06-11 13:39:18,465 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-06-11 13:39:18,489 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-06-11 13:39:18,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:39:18,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,519 INFO L142 QuantifierPusher]: treesize reduction 39, result has 43.5 percent of original size [2021-06-11 13:39:18,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:18,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:39:18,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:39:18,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:39:18,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:39:18,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:18,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600383483] [2021-06-11 13:39:18,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662504078] [2021-06-11 13:39:18,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:18,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:39:18,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:39:18,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:39:18,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:39:18,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:18,603 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-06-11 13:39:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:18,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:18,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:39:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:39:18,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:18,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:18,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:18,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,611 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-06-11 13:39:18,612 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 13:39:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:18,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,626 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-06-11 13:39:18,626 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 13:39:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:39:18,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:39:18,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:39:18,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:18,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:18,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:39:18,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:39:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:18,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:18,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:18,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:39:18,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:18,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:39:18,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:18,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:39:18,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-11 13:39:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:18,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:18,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:39:18,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:18,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:39:18,672 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2021-06-11 13:39:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:18,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:18,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:18,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:39:18,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-06-11 13:39:18,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902563351] [2021-06-11 13:39:18,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:39:18,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:39:18,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:39:18,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:39:18,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:39:18,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 735 places, 2094 transitions, 71151 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:18,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:39:18,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:39:18,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:39:23,193 INFO L129 PetriNetUnfolder]: 2112/5427 cut-off events. [2021-06-11 13:39:23,193 INFO L130 PetriNetUnfolder]: For 481095/481121 co-relation queries the response was YES. [2021-06-11 13:39:23,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84060 conditions, 5427 events. 2112/5427 cut-off events. For 481095/481121 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 55754 event pairs, 152 based on Foata normal form. 23/5450 useless extension candidates. Maximal degree in co-relation 83573. Up to 4142 conditions per place. [2021-06-11 13:39:23,324 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2003 selfloop transitions, 107 changer transitions 5/2121 dead transitions. [2021-06-11 13:39:23,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 2121 transitions, 76193 flow [2021-06-11 13:39:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:39:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:39:23,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 234 transitions. [2021-06-11 13:39:23,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2021-06-11 13:39:23,326 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 234 transitions. [2021-06-11 13:39:23,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 234 transitions. [2021-06-11 13:39:23,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:39:23,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 234 transitions. [2021-06-11 13:39:23,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.0) internal successors, (234), 13 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:23,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:23,327 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:23,327 INFO L185 Difference]: Start difference. First operand has 735 places, 2094 transitions, 71151 flow. Second operand 13 states and 234 transitions. [2021-06-11 13:39:23,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 2121 transitions, 76193 flow [2021-06-11 13:39:29,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 2121 transitions, 75885 flow, removed 134 selfloop flow, removed 5 redundant places. [2021-06-11 13:39:29,449 INFO L241 Difference]: Finished difference. Result has 745 places, 2103 transitions, 71418 flow [2021-06-11 13:39:29,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=70843, PETRI_DIFFERENCE_MINUEND_PLACES=730, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2094, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=71418, PETRI_PLACES=745, PETRI_TRANSITIONS=2103} [2021-06-11 13:39:29,449 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 724 predicate places. [2021-06-11 13:39:29,449 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:39:29,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 2103 transitions, 71418 flow [2021-06-11 13:39:29,450 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 2103 transitions, 71418 flow [2021-06-11 13:39:29,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 745 places, 2103 transitions, 71418 flow [2021-06-11 13:39:31,760 INFO L129 PetriNetUnfolder]: 1871/5062 cut-off events. [2021-06-11 13:39:31,760 INFO L130 PetriNetUnfolder]: For 417067/417281 co-relation queries the response was YES. [2021-06-11 13:39:31,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73599 conditions, 5062 events. 1871/5062 cut-off events. For 417067/417281 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 53429 event pairs, 30 based on Foata normal form. 46/5097 useless extension candidates. Maximal degree in co-relation 72986. Up to 892 conditions per place. [2021-06-11 13:39:31,984 INFO L151 LiptonReduction]: Number of co-enabled transitions 2668 [2021-06-11 13:39:32,511 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:39:32,511 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:39:32,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3062 [2021-06-11 13:39:32,511 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 2103 transitions, 71418 flow [2021-06-11 13:39:32,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:32,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:39:32,511 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:39:32,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:32,712 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:39:32,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:39:32,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1504576639, now seen corresponding path program 47 times [2021-06-11 13:39:32,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:39:32,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614882892] [2021-06-11 13:39:32,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:39:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:39:32,724 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-06-11 13:39:32,725 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-06-11 13:39:32,750 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-06-11 13:39:32,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:39:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,785 INFO L142 QuantifierPusher]: treesize reduction 39, result has 43.5 percent of original size [2021-06-11 13:39:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:32,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:39:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:39:32,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:39:32,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:32,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614882892] [2021-06-11 13:39:32,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143306345] [2021-06-11 13:39:32,845 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:39:32,878 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:39:32,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:39:32,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:39:32,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:39:32,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:32,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:32,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:39:32,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,941 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-06-11 13:39:32,941 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 13:39:32,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:32,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:32,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:32,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:39:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:39:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:39:32,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:39:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:32,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:32,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:39:32,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:39:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:39:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:39:32,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 39 [2021-06-11 13:39:32,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 13:39:32,990 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-11 13:39:32,991 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:39:32,991 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,992 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:39:32,992 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:32,993 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-06-11 13:39:32,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:32,994 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-11 13:39:32,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:39:32,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:32,996 INFO L147 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size 34 [2021-06-11 13:39:32,996 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-06-11 13:39:32,997 INFO L147 QuantifierPusher]: treesize reduction 26, result has 23.5 percent of original size 8 [2021-06-11 13:39:32,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-11 13:39:33,020 INFO L628 ElimStorePlain]: treesize reduction 26, result has 40.9 percent of original size [2021-06-11 13:39:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,021 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:39:33,021 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:33,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,023 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:39:33,023 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:39:33,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:39:33,023 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2021-06-11 13:39:33,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:39:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:39:33,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:39:33,041 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:39:33,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:33,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:33,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:39:33,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:33,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,045 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:39:33,046 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:33,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 55.0 percent of original size [2021-06-11 13:39:33,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:33,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:33,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:33,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:33,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:33,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:39:33,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:39:33,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242419969] [2021-06-11 13:39:33,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:39:33,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:39:33,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:39:33,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:39:33,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:39:33,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 2103 transitions, 71418 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:33,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:39:33,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:39:33,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:39:38,257 INFO L129 PetriNetUnfolder]: 2180/5565 cut-off events. [2021-06-11 13:39:38,257 INFO L130 PetriNetUnfolder]: For 503630/503632 co-relation queries the response was YES. [2021-06-11 13:39:38,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86669 conditions, 5565 events. 2180/5565 cut-off events. For 503630/503632 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 57142 event pairs, 158 based on Foata normal form. 8/5573 useless extension candidates. Maximal degree in co-relation 86178. Up to 4190 conditions per place. [2021-06-11 13:39:38,384 INFO L132 encePairwiseOnDemand]: 31/39 looper letters, 2004 selfloop transitions, 185 changer transitions 6/2201 dead transitions. [2021-06-11 13:39:38,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 759 places, 2201 transitions, 78971 flow [2021-06-11 13:39:38,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-11 13:39:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-11 13:39:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 274 transitions. [2021-06-11 13:39:38,385 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4683760683760684 [2021-06-11 13:39:38,385 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 274 transitions. [2021-06-11 13:39:38,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 274 transitions. [2021-06-11 13:39:38,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:39:38,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 274 transitions. [2021-06-11 13:39:38,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 15 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:38,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 39.0) internal successors, (624), 16 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:38,386 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 39.0) internal successors, (624), 16 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:38,386 INFO L185 Difference]: Start difference. First operand has 745 places, 2103 transitions, 71418 flow. Second operand 15 states and 274 transitions. [2021-06-11 13:39:38,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 759 places, 2201 transitions, 78971 flow [2021-06-11 13:39:44,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 750 places, 2201 transitions, 78677 flow, removed 75 selfloop flow, removed 9 redundant places. [2021-06-11 13:39:44,281 INFO L241 Difference]: Finished difference. Result has 756 places, 2168 transitions, 73785 flow [2021-06-11 13:39:44,282 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=71130, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=73785, PETRI_PLACES=756, PETRI_TRANSITIONS=2168} [2021-06-11 13:39:44,282 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 735 predicate places. [2021-06-11 13:39:44,282 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:39:44,282 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 756 places, 2168 transitions, 73785 flow [2021-06-11 13:39:44,283 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 756 places, 2168 transitions, 73785 flow [2021-06-11 13:39:44,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 756 places, 2168 transitions, 73785 flow [2021-06-11 13:39:46,723 INFO L129 PetriNetUnfolder]: 1929/5179 cut-off events. [2021-06-11 13:39:46,723 INFO L130 PetriNetUnfolder]: For 447639/447899 co-relation queries the response was YES. [2021-06-11 13:39:46,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76337 conditions, 5179 events. 1929/5179 cut-off events. For 447639/447899 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 54683 event pairs, 31 based on Foata normal form. 68/5234 useless extension candidates. Maximal degree in co-relation 75719. Up to 942 conditions per place. [2021-06-11 13:39:46,915 INFO L151 LiptonReduction]: Number of co-enabled transitions 2722 [2021-06-11 13:39:47,457 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:39:47,457 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:39:47,457 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3175 [2021-06-11 13:39:47,457 INFO L480 AbstractCegarLoop]: Abstraction has has 756 places, 2168 transitions, 73785 flow [2021-06-11 13:39:47,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:47,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:39:47,458 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:39:47,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:47,658 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:39:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:39:47,659 INFO L82 PathProgramCache]: Analyzing trace with hash -228628053, now seen corresponding path program 48 times [2021-06-11 13:39:47,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:39:47,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756052053] [2021-06-11 13:39:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:39:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:39:47,675 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-06-11 13:39:47,675 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-06-11 13:39:47,703 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-06-11 13:39:47,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:39:47,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:39:47,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:39:47,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:39:47,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:39:47,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:39:47,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:47,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756052053] [2021-06-11 13:39:47,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393381689] [2021-06-11 13:39:47,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:39:47,915 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:39:47,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:39:47,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:39:47,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:39:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:39:47,941 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-06-11 13:39:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:47,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:47,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:47,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:39:47,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:47,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:39:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:47,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:47,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:47,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:47,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:39:47,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:47,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-06-11 13:39:47,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:39:47,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:47,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:47,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:47,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:39:47,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:48,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:48,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:48,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:39:48,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:39:48,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:39:48,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:39:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:39:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:39:48,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-11 13:39:48,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:48,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:48,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:39:48,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:48,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:39:48,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2021-06-11 13:39:48,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:48,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:39:48,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:39:48,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:39:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:39:48,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:39:48,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-06-11 13:39:48,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468286289] [2021-06-11 13:39:48,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:39:48,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:39:48,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:39:48,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:39:48,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:39:48,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 756 places, 2168 transitions, 73785 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:48,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:39:48,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:39:48,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:39:53,017 INFO L129 PetriNetUnfolder]: 2206/5605 cut-off events. [2021-06-11 13:39:53,017 INFO L130 PetriNetUnfolder]: For 525066/525068 co-relation queries the response was YES. [2021-06-11 13:39:53,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88170 conditions, 5605 events. 2206/5605 cut-off events. For 525066/525068 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 57421 event pairs, 170 based on Foata normal form. 4/5609 useless extension candidates. Maximal degree in co-relation 87674. Up to 4276 conditions per place. [2021-06-11 13:39:53,267 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2072 selfloop transitions, 134 changer transitions 0/2212 dead transitions. [2021-06-11 13:39:53,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 767 places, 2212 transitions, 79473 flow [2021-06-11 13:39:53,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:39:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:39:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 217 transitions. [2021-06-11 13:39:53,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4636752136752137 [2021-06-11 13:39:53,268 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 217 transitions. [2021-06-11 13:39:53,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 217 transitions. [2021-06-11 13:39:53,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:39:53,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 217 transitions. [2021-06-11 13:39:53,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.083333333333332) internal successors, (217), 12 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:53,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:53,269 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 39.0) internal successors, (507), 13 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:39:53,269 INFO L185 Difference]: Start difference. First operand has 756 places, 2168 transitions, 73785 flow. Second operand 12 states and 217 transitions. [2021-06-11 13:39:53,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 767 places, 2212 transitions, 79473 flow [2021-06-11 13:39:59,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 2212 transitions, 78821 flow, removed 315 selfloop flow, removed 5 redundant places. [2021-06-11 13:39:59,577 INFO L241 Difference]: Finished difference. Result has 765 places, 2197 transitions, 74398 flow [2021-06-11 13:39:59,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=73147, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=74398, PETRI_PLACES=765, PETRI_TRANSITIONS=2197} [2021-06-11 13:39:59,578 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 744 predicate places. [2021-06-11 13:39:59,578 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:39:59,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 2197 transitions, 74398 flow [2021-06-11 13:39:59,578 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 2197 transitions, 74398 flow [2021-06-11 13:39:59,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 765 places, 2197 transitions, 74398 flow [2021-06-11 13:40:01,904 INFO L129 PetriNetUnfolder]: 1947/5226 cut-off events. [2021-06-11 13:40:01,904 INFO L130 PetriNetUnfolder]: For 457315/457583 co-relation queries the response was YES. [2021-06-11 13:40:02,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77006 conditions, 5226 events. 1947/5226 cut-off events. For 457315/457583 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 55155 event pairs, 32 based on Foata normal form. 73/5286 useless extension candidates. Maximal degree in co-relation 76384. Up to 943 conditions per place. [2021-06-11 13:40:02,101 INFO L151 LiptonReduction]: Number of co-enabled transitions 2732 [2021-06-11 13:40:02,716 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:40:02,716 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:40:02,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3138 [2021-06-11 13:40:02,716 INFO L480 AbstractCegarLoop]: Abstraction has has 765 places, 2197 transitions, 74398 flow [2021-06-11 13:40:02,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:02,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:40:02,716 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:40:02,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:40:02,917 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:40:02,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:40:02,917 INFO L82 PathProgramCache]: Analyzing trace with hash 222963837, now seen corresponding path program 49 times [2021-06-11 13:40:02,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:40:02,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552932072] [2021-06-11 13:40:02,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:40:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:40:02,933 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-06-11 13:40:02,934 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size 31 [2021-06-11 13:40:02,961 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-06-11 13:40:02,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:40:02,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:02,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:02,998 INFO L142 QuantifierPusher]: treesize reduction 39, result has 43.5 percent of original size [2021-06-11 13:40:02,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:40:03,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:40:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:03,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552932072] [2021-06-11 13:40:03,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792222123] [2021-06-11 13:40:03,054 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:40:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:40:03,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:40:03,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:40:03,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:03,107 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 13:40:03,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:40:03,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:40:03,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:40:03,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:40:03,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:40:03,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:40:03,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:40:03,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,141 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-11 13:40:03,142 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 13:40:03,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,157 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-06-11 13:40:03,157 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-06-11 13:40:03,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:03,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,177 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 13:40:03,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:40:03,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:40:03,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:40:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:40:03,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:40:03,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:40:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:03,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:40:03,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:40:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:40:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:40:03,315 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-06-11 13:40:03,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-06-11 13:40:03,316 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-06-11 13:40:03,317 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-11 13:40:03,317 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:40:03,318 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,319 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-11 13:40:03,319 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:40:03,319 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,320 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:40:03,321 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,321 INFO L142 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-06-11 13:40:03,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:40:03,322 INFO L147 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size 19 [2021-06-11 13:40:03,323 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-06-11 13:40:03,323 INFO L147 QuantifierPusher]: treesize reduction 11, result has 42.1 percent of original size 8 [2021-06-11 13:40:03,323 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-11 13:40:03,338 INFO L628 ElimStorePlain]: treesize reduction 11, result has 64.5 percent of original size [2021-06-11 13:40:03,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,345 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:40:03,346 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,351 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:40:03,352 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:40:03,352 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:40:03,352 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-06-11 13:40:03,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:40:03,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:40:03,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:40:03,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:40:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:40:03,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:40:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:03,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,373 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:40:03,374 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:03,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:03,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:03,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:03,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:03,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:40:03,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 13:40:03,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618950477] [2021-06-11 13:40:03,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:40:03,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:40:03,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:40:03,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:40:03,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:40:03,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2197 transitions, 74398 flow. Second operand has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:03,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:40:03,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:40:03,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:40:08,972 INFO L129 PetriNetUnfolder]: 2208/5573 cut-off events. [2021-06-11 13:40:08,973 INFO L130 PetriNetUnfolder]: For 531796/531798 co-relation queries the response was YES. [2021-06-11 13:40:09,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88373 conditions, 5573 events. 2208/5573 cut-off events. For 531796/531798 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 56889 event pairs, 47 based on Foata normal form. 3/5576 useless extension candidates. Maximal degree in co-relation 87873. Up to 3368 conditions per place. [2021-06-11 13:40:09,101 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1713 selfloop transitions, 517 changer transitions 6/2242 dead transitions. [2021-06-11 13:40:09,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 2242 transitions, 80250 flow [2021-06-11 13:40:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:40:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:40:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 240 transitions. [2021-06-11 13:40:09,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43956043956043955 [2021-06-11 13:40:09,102 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 240 transitions. [2021-06-11 13:40:09,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 240 transitions. [2021-06-11 13:40:09,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:40:09,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 240 transitions. [2021-06-11 13:40:09,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.142857142857142) internal successors, (240), 14 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:09,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:09,103 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:09,103 INFO L185 Difference]: Start difference. First operand has 765 places, 2197 transitions, 74398 flow. Second operand 14 states and 240 transitions. [2021-06-11 13:40:09,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 2242 transitions, 80250 flow [2021-06-11 13:40:15,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 770 places, 2242 transitions, 79873 flow, removed 97 selfloop flow, removed 8 redundant places. [2021-06-11 13:40:15,328 INFO L241 Difference]: Finished difference. Result has 773 places, 2203 transitions, 75301 flow [2021-06-11 13:40:15,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=74041, PETRI_DIFFERENCE_MINUEND_PLACES=757, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=511, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=75301, PETRI_PLACES=773, PETRI_TRANSITIONS=2203} [2021-06-11 13:40:15,330 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 752 predicate places. [2021-06-11 13:40:15,330 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:40:15,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 773 places, 2203 transitions, 75301 flow [2021-06-11 13:40:15,330 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 773 places, 2203 transitions, 75301 flow [2021-06-11 13:40:15,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 773 places, 2203 transitions, 75301 flow [2021-06-11 13:40:17,705 INFO L129 PetriNetUnfolder]: 1946/5221 cut-off events. [2021-06-11 13:40:17,705 INFO L130 PetriNetUnfolder]: For 471967/472199 co-relation queries the response was YES. [2021-06-11 13:40:17,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77886 conditions, 5221 events. 1946/5221 cut-off events. For 471967/472199 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 55277 event pairs, 32 based on Foata normal form. 85/5299 useless extension candidates. Maximal degree in co-relation 77326. Up to 938 conditions per place. [2021-06-11 13:40:17,880 INFO L151 LiptonReduction]: Number of co-enabled transitions 2736 [2021-06-11 13:40:18,619 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:40:18,619 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:40:18,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3289 [2021-06-11 13:40:18,620 INFO L480 AbstractCegarLoop]: Abstraction has has 773 places, 2203 transitions, 75301 flow [2021-06-11 13:40:18,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:18,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:40:18,620 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:40:18,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-06-11 13:40:18,820 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:40:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:40:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1868330419, now seen corresponding path program 22 times [2021-06-11 13:40:18,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:40:18,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023359205] [2021-06-11 13:40:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:40:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:40:18,833 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-06-11 13:40:18,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:40:18,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:40:18,853 INFO L142 QuantifierPusher]: treesize reduction 35, result has 55.1 percent of original size [2021-06-11 13:40:18,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:40:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:18,895 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:40:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:40:18,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:40:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:18,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023359205] [2021-06-11 13:40:18,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590900512] [2021-06-11 13:40:18,915 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:40:18,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:40:18,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:40:18,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:40:18,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:40:18,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:18,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,954 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 13:40:18,955 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:40:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:18,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,977 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-06-11 13:40:18,977 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size [2021-06-11 13:40:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:40:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:40:18,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:18,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:40:18,999 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 13:40:19,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:40:19,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:40:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:40:19,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:40:19,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:40:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,027 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 13:40:19,027 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:40:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:19,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,047 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:40:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:40:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:19,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:40:19,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:19,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:40:19,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:19,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:19,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:19,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:40:19,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:40:19,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:40:19,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:40:19,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:19,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:19,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:40:19,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:19,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:40:19,066 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:40:19,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:19,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:19,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:19,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:19,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:40:19,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:40:19,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778595612] [2021-06-11 13:40:19,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:40:19,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:40:19,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:40:19,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:40:19,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:40:19,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 773 places, 2203 transitions, 75301 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:19,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:40:19,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:40:19,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:40:24,809 INFO L129 PetriNetUnfolder]: 2242/5705 cut-off events. [2021-06-11 13:40:24,809 INFO L130 PetriNetUnfolder]: For 561829/561839 co-relation queries the response was YES. [2021-06-11 13:40:24,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90898 conditions, 5705 events. 2242/5705 cut-off events. For 561829/561839 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 58716 event pairs, 175 based on Foata normal form. 8/5713 useless extension candidates. Maximal degree in co-relation 90389. Up to 4354 conditions per place. [2021-06-11 13:40:24,944 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2114 selfloop transitions, 126 changer transitions 0/2246 dead transitions. [2021-06-11 13:40:24,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 2246 transitions, 81443 flow [2021-06-11 13:40:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:40:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:40:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 202 transitions. [2021-06-11 13:40:24,945 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47086247086247085 [2021-06-11 13:40:24,945 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 202 transitions. [2021-06-11 13:40:24,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 202 transitions. [2021-06-11 13:40:24,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:40:24,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 202 transitions. [2021-06-11 13:40:24,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.363636363636363) internal successors, (202), 11 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:24,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:24,946 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:24,946 INFO L185 Difference]: Start difference. First operand has 773 places, 2203 transitions, 75301 flow. Second operand 11 states and 202 transitions. [2021-06-11 13:40:24,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 2246 transitions, 81443 flow [2021-06-11 13:40:31,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 776 places, 2246 transitions, 81311 flow, removed 55 selfloop flow, removed 7 redundant places. [2021-06-11 13:40:31,524 INFO L241 Difference]: Finished difference. Result has 778 places, 2231 transitions, 76607 flow [2021-06-11 13:40:31,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=75169, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2084, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=76607, PETRI_PLACES=778, PETRI_TRANSITIONS=2231} [2021-06-11 13:40:31,526 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 757 predicate places. [2021-06-11 13:40:31,526 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:40:31,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 778 places, 2231 transitions, 76607 flow [2021-06-11 13:40:31,526 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 778 places, 2231 transitions, 76607 flow [2021-06-11 13:40:31,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 778 places, 2231 transitions, 76607 flow [2021-06-11 13:40:33,809 INFO L129 PetriNetUnfolder]: 1973/5275 cut-off events. [2021-06-11 13:40:33,809 INFO L130 PetriNetUnfolder]: For 486164/486432 co-relation queries the response was YES. [2021-06-11 13:40:34,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79283 conditions, 5275 events. 1973/5275 cut-off events. For 486164/486432 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 55682 event pairs, 33 based on Foata normal form. 89/5356 useless extension candidates. Maximal degree in co-relation 78721. Up to 948 conditions per place. [2021-06-11 13:40:34,206 INFO L151 LiptonReduction]: Number of co-enabled transitions 2762 [2021-06-11 13:40:34,762 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:40:34,762 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:40:34,762 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3236 [2021-06-11 13:40:34,762 INFO L480 AbstractCegarLoop]: Abstraction has has 778 places, 2231 transitions, 76607 flow [2021-06-11 13:40:34,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:34,763 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:40:34,763 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:40:34,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-11 13:40:34,963 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:40:34,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:40:34,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1723784743, now seen corresponding path program 23 times [2021-06-11 13:40:34,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:40:34,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836821651] [2021-06-11 13:40:34,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:40:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:40:34,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 13:40:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:40:34,998 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-06-11 13:40:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:40:35,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:40:35,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:40:35,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:40:35,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:35,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836821651] [2021-06-11 13:40:35,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732368465] [2021-06-11 13:40:35,067 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:40:35,087 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:40:35,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:40:35,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:40:35,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:40:35,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:40:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:35,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:40:35,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:35,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:40:35,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:35,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:40:35,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:35,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:40:35,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,120 INFO L142 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size [2021-06-11 13:40:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:40:35,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,150 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 13:40:35,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,151 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size 41 [2021-06-11 13:40:35,151 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-06-11 13:40:35,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:40:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:40:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:40:35,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:40:35,176 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 13:40:35,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:35,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:40:35,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:40:35,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:40:35,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:35,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:40:35,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:35,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:40:35,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:35,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:40:35,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,201 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-06-11 13:40:35,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:35,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:40:35,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:40:35,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:40:35,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:40:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:40:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:40:35,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:40:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:35,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:35,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:40:35,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:35,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:40:35,218 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:40:35,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:35,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:35,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:35,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:40:35,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:40:35,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506406350] [2021-06-11 13:40:35,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:40:35,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:40:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:40:35,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:40:35,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:40:35,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 2231 transitions, 76607 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:35,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:40:35,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:40:35,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:40:40,713 INFO L129 PetriNetUnfolder]: 2242/5699 cut-off events. [2021-06-11 13:40:40,714 INFO L130 PetriNetUnfolder]: For 566496/566498 co-relation queries the response was YES. [2021-06-11 13:40:40,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91195 conditions, 5699 events. 2242/5699 cut-off events. For 566496/566498 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 58589 event pairs, 176 based on Foata normal form. 5/5704 useless extension candidates. Maximal degree in co-relation 90684. Up to 4417 conditions per place. [2021-06-11 13:40:40,855 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 2172 selfloop transitions, 61 changer transitions 3/2242 dead transitions. [2021-06-11 13:40:40,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 787 places, 2242 transitions, 81466 flow [2021-06-11 13:40:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:40:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:40:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-06-11 13:40:40,856 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46923076923076923 [2021-06-11 13:40:40,856 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-06-11 13:40:40,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-06-11 13:40:40,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:40:40,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-06-11 13:40:40,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:40,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:40,857 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:40,857 INFO L185 Difference]: Start difference. First operand has 778 places, 2231 transitions, 76607 flow. Second operand 10 states and 183 transitions. [2021-06-11 13:40:40,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 787 places, 2242 transitions, 81466 flow [2021-06-11 13:40:47,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 2242 transitions, 81138 flow, removed 143 selfloop flow, removed 3 redundant places. [2021-06-11 13:40:47,852 INFO L241 Difference]: Finished difference. Result has 786 places, 2235 transitions, 76551 flow [2021-06-11 13:40:47,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=76279, PETRI_DIFFERENCE_MINUEND_PLACES=775, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=76551, PETRI_PLACES=786, PETRI_TRANSITIONS=2235} [2021-06-11 13:40:47,853 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 765 predicate places. [2021-06-11 13:40:47,853 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:40:47,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 786 places, 2235 transitions, 76551 flow [2021-06-11 13:40:47,854 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 786 places, 2235 transitions, 76551 flow [2021-06-11 13:40:47,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 786 places, 2235 transitions, 76551 flow [2021-06-11 13:40:50,240 INFO L129 PetriNetUnfolder]: 1976/5278 cut-off events. [2021-06-11 13:40:50,241 INFO L130 PetriNetUnfolder]: For 488318/488538 co-relation queries the response was YES. [2021-06-11 13:40:50,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79410 conditions, 5278 events. 1976/5278 cut-off events. For 488318/488538 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 55815 event pairs, 33 based on Foata normal form. 52/5322 useless extension candidates. Maximal degree in co-relation 78844. Up to 953 conditions per place. [2021-06-11 13:40:50,413 INFO L151 LiptonReduction]: Number of co-enabled transitions 2764 [2021-06-11 13:40:51,086 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:40:51,086 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:40:51,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3234 [2021-06-11 13:40:51,087 INFO L480 AbstractCegarLoop]: Abstraction has has 786 places, 2235 transitions, 76551 flow [2021-06-11 13:40:51,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:51,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:40:51,087 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:40:51,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-06-11 13:40:51,287 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:40:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:40:51,288 INFO L82 PathProgramCache]: Analyzing trace with hash 495068237, now seen corresponding path program 50 times [2021-06-11 13:40:51,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:40:51,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009585157] [2021-06-11 13:40:51,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:40:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:40:51,301 INFO L142 QuantifierPusher]: treesize reduction 40, result has 56.5 percent of original size [2021-06-11 13:40:51,302 INFO L147 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size 31 [2021-06-11 13:40:51,334 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-06-11 13:40:51,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:40:51,370 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.9 percent of original size [2021-06-11 13:40:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:40:51,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.5 percent of original size [2021-06-11 13:40:51,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-06-11 13:40:51,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:40:51,464 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:40:51,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:40:51,479 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:40:51,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:51,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009585157] [2021-06-11 13:40:51,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247188452] [2021-06-11 13:40:51,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:40:51,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:40:51,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:40:51,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:40:51,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:40:51,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:40:51,593 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:40:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:40:51,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:51,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:40:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:40:51,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,618 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size [2021-06-11 13:40:51,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:51,619 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-06-11 13:40:51,619 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-06-11 13:40:51,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:40:51,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:51,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:40:51,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:51,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:40:51,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:40:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:40:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,646 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.9 percent of original size [2021-06-11 13:40:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:40:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-11 13:40:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:40:51,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-11 13:40:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 13:40:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 13:40:51,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:40:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-11 13:40:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:40:51,673 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-11 13:40:51,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 48 [2021-06-11 13:40:51,674 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.7 percent of original size [2021-06-11 13:40:51,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:40:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:40:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:40:51,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-06-11 13:40:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:40:51,677 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:40:51,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:51,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:40:51,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:73, output treesize:3 [2021-06-11 13:40:51,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:51,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:40:51,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:40:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:40:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:40:51,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:40:51,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-06-11 13:40:51,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197062318] [2021-06-11 13:40:51,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:40:51,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:40:51,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:40:51,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:40:51,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:40:51,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 786 places, 2235 transitions, 76551 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:51,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:40:51,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:40:51,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:40:57,316 INFO L129 PetriNetUnfolder]: 2305/5824 cut-off events. [2021-06-11 13:40:57,316 INFO L130 PetriNetUnfolder]: For 587942/587961 co-relation queries the response was YES. [2021-06-11 13:40:57,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93562 conditions, 5824 events. 2305/5824 cut-off events. For 587942/587961 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 59976 event pairs, 177 based on Foata normal form. 19/5843 useless extension candidates. Maximal degree in co-relation 93048. Up to 4431 conditions per place. [2021-06-11 13:40:57,470 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2156 selfloop transitions, 143 changer transitions 0/2305 dead transitions. [2021-06-11 13:40:57,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 2305 transitions, 83478 flow [2021-06-11 13:40:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 13:40:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 13:40:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 204 transitions. [2021-06-11 13:40:57,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4755244755244755 [2021-06-11 13:40:57,471 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 204 transitions. [2021-06-11 13:40:57,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 204 transitions. [2021-06-11 13:40:57,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:40:57,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 204 transitions. [2021-06-11 13:40:57,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.545454545454547) internal successors, (204), 11 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:57,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:57,472 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 39.0) internal successors, (468), 12 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:40:57,472 INFO L185 Difference]: Start difference. First operand has 786 places, 2235 transitions, 76551 flow. Second operand 11 states and 204 transitions. [2021-06-11 13:40:57,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 2305 transitions, 83478 flow [2021-06-11 13:41:05,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 2305 transitions, 83322 flow, removed 37 selfloop flow, removed 5 redundant places. [2021-06-11 13:41:05,158 INFO L241 Difference]: Finished difference. Result has 795 places, 2290 transitions, 78771 flow [2021-06-11 13:41:05,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=76395, PETRI_DIFFERENCE_MINUEND_PLACES=781, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=78771, PETRI_PLACES=795, PETRI_TRANSITIONS=2290} [2021-06-11 13:41:05,160 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 774 predicate places. [2021-06-11 13:41:05,160 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:41:05,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 2290 transitions, 78771 flow [2021-06-11 13:41:05,160 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 2290 transitions, 78771 flow [2021-06-11 13:41:05,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 2290 transitions, 78771 flow [2021-06-11 13:41:07,716 INFO L129 PetriNetUnfolder]: 2029/5391 cut-off events. [2021-06-11 13:41:07,716 INFO L130 PetriNetUnfolder]: For 512725/512947 co-relation queries the response was YES. [2021-06-11 13:41:07,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81851 conditions, 5391 events. 2029/5391 cut-off events. For 512725/512947 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 56886 event pairs, 34 based on Foata normal form. 42/5424 useless extension candidates. Maximal degree in co-relation 81280. Up to 976 conditions per place. [2021-06-11 13:41:07,887 INFO L151 LiptonReduction]: Number of co-enabled transitions 2780 [2021-06-11 13:41:08,468 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:41:08,468 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:41:08,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3309 [2021-06-11 13:41:08,469 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 2290 transitions, 78771 flow [2021-06-11 13:41:08,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:08,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:41:08,469 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:41:08,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-06-11 13:41:08,673 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:41:08,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:41:08,673 INFO L82 PathProgramCache]: Analyzing trace with hash -327192925, now seen corresponding path program 24 times [2021-06-11 13:41:08,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:41:08,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106221139] [2021-06-11 13:41:08,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:41:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:41:08,684 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-06-11 13:41:08,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:41:08,694 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-06-11 13:41:08,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:41:08,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 13:41:08,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:41:08,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:41:08,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:41:08,757 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:41:08,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:41:08,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106221139] [2021-06-11 13:41:08,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672603925] [2021-06-11 13:41:08,766 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:41:08,798 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:41:08,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:41:08,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:41:08,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:41:08,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:41:08,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:41:08,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:41:08,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:41:08,863 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 13:41:08,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:08,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:41:08,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:41:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:41:08,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:41:08,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,890 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-06-11 13:41:08,890 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-06-11 13:41:08,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:41:08,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:41:08,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:41:08,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:41:08,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:08,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:41:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:41:08,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:08,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:08,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:08,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:08,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:08,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:41:08,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:41:08,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-11 13:41:08,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:08,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:08,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:41:08,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:08,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:41:08,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-11 13:41:08,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:08,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:08,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:41:08,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:41:08,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:41:08,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766426945] [2021-06-11 13:41:08,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:41:08,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:41:08,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:41:08,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:41:08,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:41:08,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 795 places, 2290 transitions, 78771 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:08,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:41:08,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:41:08,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:41:14,471 INFO L129 PetriNetUnfolder]: 2366/5947 cut-off events. [2021-06-11 13:41:14,471 INFO L130 PetriNetUnfolder]: For 619084/619094 co-relation queries the response was YES. [2021-06-11 13:41:14,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96426 conditions, 5947 events. 2366/5947 cut-off events. For 619084/619094 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 61203 event pairs, 187 based on Foata normal form. 10/5957 useless extension candidates. Maximal degree in co-relation 95908. Up to 4565 conditions per place. [2021-06-11 13:41:14,621 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2249 selfloop transitions, 103 changer transitions 0/2358 dead transitions. [2021-06-11 13:41:14,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 2358 transitions, 85813 flow [2021-06-11 13:41:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 13:41:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 13:41:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2021-06-11 13:41:14,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47692307692307695 [2021-06-11 13:41:14,622 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 186 transitions. [2021-06-11 13:41:14,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 186 transitions. [2021-06-11 13:41:14,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:41:14,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 186 transitions. [2021-06-11 13:41:14,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:14,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:14,622 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 39.0) internal successors, (429), 11 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:14,622 INFO L185 Difference]: Start difference. First operand has 795 places, 2290 transitions, 78771 flow. Second operand 10 states and 186 transitions. [2021-06-11 13:41:14,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 2358 transitions, 85813 flow [2021-06-11 13:41:22,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 2358 transitions, 85050 flow, removed 356 selfloop flow, removed 4 redundant places. [2021-06-11 13:41:22,117 INFO L241 Difference]: Finished difference. Result has 804 places, 2344 transitions, 80245 flow [2021-06-11 13:41:22,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78008, PETRI_DIFFERENCE_MINUEND_PLACES=791, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=80245, PETRI_PLACES=804, PETRI_TRANSITIONS=2344} [2021-06-11 13:41:22,118 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 783 predicate places. [2021-06-11 13:41:22,118 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:41:22,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 804 places, 2344 transitions, 80245 flow [2021-06-11 13:41:22,118 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 804 places, 2344 transitions, 80245 flow [2021-06-11 13:41:22,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 804 places, 2344 transitions, 80245 flow [2021-06-11 13:41:24,893 INFO L129 PetriNetUnfolder]: 2076/5478 cut-off events. [2021-06-11 13:41:24,893 INFO L130 PetriNetUnfolder]: For 538035/538285 co-relation queries the response was YES. [2021-06-11 13:41:25,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83643 conditions, 5478 events. 2076/5478 cut-off events. For 538035/538285 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 57817 event pairs, 36 based on Foata normal form. 60/5529 useless extension candidates. Maximal degree in co-relation 83066. Up to 989 conditions per place. [2021-06-11 13:41:25,085 INFO L151 LiptonReduction]: Number of co-enabled transitions 2802 [2021-06-11 13:41:25,820 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:41:25,820 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:41:25,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3702 [2021-06-11 13:41:25,820 INFO L480 AbstractCegarLoop]: Abstraction has has 804 places, 2344 transitions, 80245 flow [2021-06-11 13:41:25,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:25,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:41:25,820 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:41:26,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable126 [2021-06-11 13:41:26,021 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:41:26,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:41:26,021 INFO L82 PathProgramCache]: Analyzing trace with hash 311067939, now seen corresponding path program 25 times [2021-06-11 13:41:26,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:41:26,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619149842] [2021-06-11 13:41:26,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:41:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:41:26,040 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 13:41:26,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:41:26,057 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.7 percent of original size [2021-06-11 13:41:26,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:41:26,098 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.7 percent of original size [2021-06-11 13:41:26,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:41:26,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:41:26,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:41:26,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:41:26,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:41:26,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:41:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:41:26,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619149842] [2021-06-11 13:41:26,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575973475] [2021-06-11 13:41:26,201 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:41:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:41:26,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:41:26,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:41:26,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:41:26,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:41:26,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:41:26,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:41:26,255 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 13:41:26,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:41:26,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:41:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:41:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:41:26,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:26,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:26,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:26,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:41:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,292 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-06-11 13:41:26,293 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-06-11 13:41:26,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:41:26,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:41:26,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:41:26,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:41:26,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,312 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-06-11 13:41:26,313 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size [2021-06-11 13:41:26,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:41:26,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:26,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:41:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:41:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:41:26,329 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-06-11 13:41:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:41:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:41:26,332 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:41:26,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:41:26,332 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:41:26,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:26,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:41:26,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:17 [2021-06-11 13:41:26,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:26,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:26,360 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 13:41:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:41:26,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:41:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:26,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,363 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:41:26,364 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:26,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:26,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:26,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:26,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:26,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:41:26,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:41:26,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 13:41:26,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287539755] [2021-06-11 13:41:26,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 13:41:26,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:41:26,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 13:41:26,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-06-11 13:41:26,382 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:41:26,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 804 places, 2344 transitions, 80245 flow. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:26,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:41:26,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:41:26,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:41:29,855 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2021-06-11 13:41:32,738 INFO L129 PetriNetUnfolder]: 2374/5995 cut-off events. [2021-06-11 13:41:32,738 INFO L130 PetriNetUnfolder]: For 629708/629710 co-relation queries the response was YES. [2021-06-11 13:41:32,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96992 conditions, 5995 events. 2374/5995 cut-off events. For 629708/629710 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 62084 event pairs, 111 based on Foata normal form. 6/6001 useless extension candidates. Maximal degree in co-relation 96469. Up to 3554 conditions per place. [2021-06-11 13:41:32,888 INFO L132 encePairwiseOnDemand]: 31/39 looper letters, 1750 selfloop transitions, 619 changer transitions 2/2377 dead transitions. [2021-06-11 13:41:32,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 822 places, 2377 transitions, 86056 flow [2021-06-11 13:41:32,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:41:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:41:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 331 transitions. [2021-06-11 13:41:32,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.446693657219973 [2021-06-11 13:41:32,889 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 331 transitions. [2021-06-11 13:41:32,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 331 transitions. [2021-06-11 13:41:32,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:41:32,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 331 transitions. [2021-06-11 13:41:32,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 17.42105263157895) internal successors, (331), 19 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:32,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 39.0) internal successors, (780), 20 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:32,891 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 39.0) internal successors, (780), 20 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:32,891 INFO L185 Difference]: Start difference. First operand has 804 places, 2344 transitions, 80245 flow. Second operand 19 states and 331 transitions. [2021-06-11 13:41:32,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 822 places, 2377 transitions, 86056 flow [2021-06-11 13:41:40,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 2377 transitions, 85296 flow, removed 344 selfloop flow, removed 4 redundant places. [2021-06-11 13:41:40,469 INFO L241 Difference]: Finished difference. Result has 823 places, 2354 transitions, 81046 flow [2021-06-11 13:41:40,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=79485, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=609, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1727, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=81046, PETRI_PLACES=823, PETRI_TRANSITIONS=2354} [2021-06-11 13:41:40,470 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 802 predicate places. [2021-06-11 13:41:40,470 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:41:40,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 2354 transitions, 81046 flow [2021-06-11 13:41:40,471 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 2354 transitions, 81046 flow [2021-06-11 13:41:40,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 2354 transitions, 81046 flow [2021-06-11 13:41:43,160 INFO L129 PetriNetUnfolder]: 2084/5505 cut-off events. [2021-06-11 13:41:43,160 INFO L130 PetriNetUnfolder]: For 565330/565569 co-relation queries the response was YES. [2021-06-11 13:41:43,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85200 conditions, 5505 events. 2084/5505 cut-off events. For 565330/565569 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 58202 event pairs, 36 based on Foata normal form. 62/5558 useless extension candidates. Maximal degree in co-relation 84684. Up to 987 conditions per place. [2021-06-11 13:41:43,353 INFO L151 LiptonReduction]: Number of co-enabled transitions 2808 [2021-06-11 13:41:43,979 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:41:43,980 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:41:43,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3510 [2021-06-11 13:41:43,980 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 2354 transitions, 81046 flow [2021-06-11 13:41:43,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:43,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:41:43,980 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:41:44,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:41:44,181 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:41:44,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:41:44,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1928837477, now seen corresponding path program 26 times [2021-06-11 13:41:44,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:41:44,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967379038] [2021-06-11 13:41:44,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:41:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:41:44,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 13:41:44,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:41:44,212 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.7 percent of original size [2021-06-11 13:41:44,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:41:44,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:41:44,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:41:44,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:41:44,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:41:44,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:41:44,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:41:44,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967379038] [2021-06-11 13:41:44,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435120094] [2021-06-11 13:41:44,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:41:44,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:41:44,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:41:44,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:41:44,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:41:44,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:44,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:44,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:44,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:44,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,393 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size 37 [2021-06-11 13:41:44,393 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size [2021-06-11 13:41:44,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:41:44,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,414 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-06-11 13:41:44,415 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-06-11 13:41:44,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:44,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:44,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:41:44,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:44,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:41:44,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:41:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:41:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:41:44,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2021-06-11 13:41:44,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:44,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:41:44,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:41:44,431 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:41:44,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:41:44,431 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:41:44,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:41:44,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:17 [2021-06-11 13:41:44,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:41:44,459 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 13:41:44,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:41:44,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:44,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:41:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:41:44,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,462 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:41:44,463 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:41:44,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:44,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:44,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:41:44,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:41:44,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:41:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:41:44,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:41:44,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:41:44,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647767763] [2021-06-11 13:41:44,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:41:44,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:41:44,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:41:44,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:41:44,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:41:44,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 2354 transitions, 81046 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:44,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:41:44,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:41:44,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:41:50,729 INFO L129 PetriNetUnfolder]: 2372/5974 cut-off events. [2021-06-11 13:41:50,730 INFO L130 PetriNetUnfolder]: For 656444/656452 co-relation queries the response was YES. [2021-06-11 13:41:50,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98137 conditions, 5974 events. 2372/5974 cut-off events. For 656444/656452 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 61648 event pairs, 191 based on Foata normal form. 9/5983 useless extension candidates. Maximal degree in co-relation 97606. Up to 4545 conditions per place. [2021-06-11 13:41:50,880 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2213 selfloop transitions, 155 changer transitions 13/2387 dead transitions. [2021-06-11 13:41:50,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 2387 transitions, 86856 flow [2021-06-11 13:41:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:41:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:41:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 246 transitions. [2021-06-11 13:41:50,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48520710059171596 [2021-06-11 13:41:50,882 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 246 transitions. [2021-06-11 13:41:50,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 246 transitions. [2021-06-11 13:41:50,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:41:50,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 246 transitions. [2021-06-11 13:41:50,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.923076923076923) internal successors, (246), 13 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:50,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:50,883 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:41:50,883 INFO L185 Difference]: Start difference. First operand has 822 places, 2354 transitions, 81046 flow. Second operand 13 states and 246 transitions. [2021-06-11 13:41:50,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 2387 transitions, 86856 flow [2021-06-11 13:41:58,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 2387 transitions, 86613 flow, removed 109 selfloop flow, removed 4 redundant places. [2021-06-11 13:41:58,841 INFO L241 Difference]: Finished difference. Result has 833 places, 2363 transitions, 81535 flow [2021-06-11 13:41:58,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=80803, PETRI_DIFFERENCE_MINUEND_PLACES=818, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=81535, PETRI_PLACES=833, PETRI_TRANSITIONS=2363} [2021-06-11 13:41:58,842 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 812 predicate places. [2021-06-11 13:41:58,843 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:41:58,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 833 places, 2363 transitions, 81535 flow [2021-06-11 13:41:58,843 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 833 places, 2363 transitions, 81535 flow [2021-06-11 13:41:58,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 833 places, 2363 transitions, 81535 flow [2021-06-11 13:42:01,427 INFO L129 PetriNetUnfolder]: 2073/5460 cut-off events. [2021-06-11 13:42:01,427 INFO L130 PetriNetUnfolder]: For 559837/560076 co-relation queries the response was YES. [2021-06-11 13:42:01,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84709 conditions, 5460 events. 2073/5460 cut-off events. For 559837/560076 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 57467 event pairs, 36 based on Foata normal form. 61/5512 useless extension candidates. Maximal degree in co-relation 84190. Up to 959 conditions per place. [2021-06-11 13:42:01,604 INFO L151 LiptonReduction]: Number of co-enabled transitions 2802 [2021-06-11 13:42:02,218 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:42:02,218 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:42:02,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3375 [2021-06-11 13:42:02,218 INFO L480 AbstractCegarLoop]: Abstraction has has 833 places, 2363 transitions, 81535 flow [2021-06-11 13:42:02,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:02,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:42:02,218 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:42:02,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-06-11 13:42:02,421 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:42:02,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:42:02,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1566644121, now seen corresponding path program 27 times [2021-06-11 13:42:02,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:42:02,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107181499] [2021-06-11 13:42:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:42:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:42:02,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:42:02,438 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-06-11 13:42:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:42:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:02,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:42:02,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:42:02,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:42:02,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107181499] [2021-06-11 13:42:02,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147299370] [2021-06-11 13:42:02,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:42:02,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:42:02,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:42:02,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-11 13:42:02,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:42:02,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,580 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 13:42:02,580 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:42:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,600 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-06-11 13:42:02,601 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size [2021-06-11 13:42:02,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:42:02,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:42:02,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:42:02,625 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 13:42:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:42:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:42:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:42:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:42:02,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,655 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-06-11 13:42:02,656 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size [2021-06-11 13:42:02,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,686 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 13:42:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:42:02,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:02,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:02,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:42:02,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:42:02,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:42:02,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,709 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-06-11 13:42:02,709 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-06-11 13:42:02,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:02,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:02,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:02,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:02,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:42:02,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:42:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:42:02,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:42:02,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:42:02,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:42:02,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:02,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:02,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:42:02,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:42:02,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:42:02,724 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:13 [2021-06-11 13:42:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:42:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:42:02,739 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 13:42:02,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:02,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:02,740 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-06-11 13:42:02,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:42:02,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:42:02,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:02,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:02,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:02,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:42:02,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:42:02,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2021-06-11 13:42:02,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149460787] [2021-06-11 13:42:02,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 13:42:02,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:42:02,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 13:42:02,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-06-11 13:42:02,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:42:02,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 833 places, 2363 transitions, 81535 flow. Second operand has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:02,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:42:02,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:42:02,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:42:09,213 INFO L129 PetriNetUnfolder]: 2362/5966 cut-off events. [2021-06-11 13:42:09,213 INFO L130 PetriNetUnfolder]: For 654463/654471 co-relation queries the response was YES. [2021-06-11 13:42:09,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97993 conditions, 5966 events. 2362/5966 cut-off events. For 654463/654471 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 61638 event pairs, 109 based on Foata normal form. 9/5975 useless extension candidates. Maximal degree in co-relation 97459. Up to 3563 conditions per place. [2021-06-11 13:42:09,377 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 1735 selfloop transitions, 651 changer transitions 5/2397 dead transitions. [2021-06-11 13:42:09,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 851 places, 2397 transitions, 87464 flow [2021-06-11 13:42:09,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-11 13:42:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-06-11 13:42:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 345 transitions. [2021-06-11 13:42:09,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46558704453441296 [2021-06-11 13:42:09,378 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 345 transitions. [2021-06-11 13:42:09,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 345 transitions. [2021-06-11 13:42:09,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:42:09,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 345 transitions. [2021-06-11 13:42:09,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 18.157894736842106) internal successors, (345), 19 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:09,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 39.0) internal successors, (780), 20 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:09,379 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 39.0) internal successors, (780), 20 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:09,379 INFO L185 Difference]: Start difference. First operand has 833 places, 2363 transitions, 81535 flow. Second operand 19 states and 345 transitions. [2021-06-11 13:42:09,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 851 places, 2397 transitions, 87464 flow [2021-06-11 13:42:17,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 844 places, 2397 transitions, 86936 flow, removed 171 selfloop flow, removed 7 redundant places. [2021-06-11 13:42:17,449 INFO L241 Difference]: Finished difference. Result has 849 places, 2371 transitions, 83731 flow [2021-06-11 13:42:17,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=81007, PETRI_DIFFERENCE_MINUEND_PLACES=826, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=642, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=83731, PETRI_PLACES=849, PETRI_TRANSITIONS=2371} [2021-06-11 13:42:17,450 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 828 predicate places. [2021-06-11 13:42:17,450 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:42:17,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 2371 transitions, 83731 flow [2021-06-11 13:42:17,450 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 2371 transitions, 83731 flow [2021-06-11 13:42:17,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 847 places, 2371 transitions, 83731 flow [2021-06-11 13:42:20,229 INFO L129 PetriNetUnfolder]: 2068/5438 cut-off events. [2021-06-11 13:42:20,229 INFO L130 PetriNetUnfolder]: For 601065/601345 co-relation queries the response was YES. [2021-06-11 13:42:20,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86916 conditions, 5438 events. 2068/5438 cut-off events. For 601065/601345 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 57263 event pairs, 37 based on Foata normal form. 69/5499 useless extension candidates. Maximal degree in co-relation 86389. Up to 939 conditions per place. [2021-06-11 13:42:20,449 INFO L151 LiptonReduction]: Number of co-enabled transitions 2804 [2021-06-11 13:42:21,198 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:42:21,198 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:42:21,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3748 [2021-06-11 13:42:21,198 INFO L480 AbstractCegarLoop]: Abstraction has has 847 places, 2371 transitions, 83731 flow [2021-06-11 13:42:21,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 15.0625) internal successors, (241), 16 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:21,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:42:21,198 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:42:21,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131,78 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:42:21,399 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:42:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:42:21,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2136924847, now seen corresponding path program 51 times [2021-06-11 13:42:21,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:42:21,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565134647] [2021-06-11 13:42:21,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:42:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:42:21,409 INFO L142 QuantifierPusher]: treesize reduction 23, result has 47.7 percent of original size [2021-06-11 13:42:21,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:21,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:21,438 INFO L142 QuantifierPusher]: treesize reduction 39, result has 48.0 percent of original size [2021-06-11 13:42:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:42:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:21,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:42:21,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:42:21,478 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:42:21,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:42:21,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565134647] [2021-06-11 13:42:21,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513176330] [2021-06-11 13:42:21,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:42:21,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 13:42:21,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:42:21,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 13:42:21,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:42:21,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,529 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 13:42:21,529 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 13:42:21,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:21,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:21,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:21,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:42:21,581 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 13:42:21,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:42:21,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,582 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size [2021-06-11 13:42:21,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,583 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 13:42:21,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 13:42:21,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:21,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:21,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,613 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-06-11 13:42:21,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:21,614 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-06-11 13:42:21,614 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size [2021-06-11 13:42:21,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:21,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:21,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:42:21,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:42:21,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:21,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:21,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:21,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:21,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:21,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:42:21,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:42:21,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:42:21,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-11 13:42:21,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-11 13:42:21,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:21,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-11 13:42:21,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:21,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:42:21,634 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-11 13:42:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:21,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:21,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:42:21,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:42:21,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:42:21,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452725787] [2021-06-11 13:42:21,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:42:21,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:42:21,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:42:21,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:42:21,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:42:21,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 847 places, 2371 transitions, 83731 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:21,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:42:21,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:42:21,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:42:28,023 INFO L129 PetriNetUnfolder]: 2483/6176 cut-off events. [2021-06-11 13:42:28,023 INFO L130 PetriNetUnfolder]: For 740757/740765 co-relation queries the response was YES. [2021-06-11 13:42:28,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104541 conditions, 6176 events. 2483/6176 cut-off events. For 740757/740765 co-relation queries the response was YES. Maximal size of possible extension queue 767. Compared 63443 event pairs, 196 based on Foata normal form. 14/6190 useless extension candidates. Maximal degree in co-relation 103999. Up to 4438 conditions per place. [2021-06-11 13:42:28,295 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2106 selfloop transitions, 382 changer transitions 4/2498 dead transitions. [2021-06-11 13:42:28,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 863 places, 2498 transitions, 93204 flow [2021-06-11 13:42:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:42:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:42:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 317 transitions. [2021-06-11 13:42:28,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4781297134238311 [2021-06-11 13:42:28,297 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 317 transitions. [2021-06-11 13:42:28,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 317 transitions. [2021-06-11 13:42:28,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:42:28,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 317 transitions. [2021-06-11 13:42:28,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.647058823529413) internal successors, (317), 17 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:28,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:28,298 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 39.0) internal successors, (702), 18 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:28,298 INFO L185 Difference]: Start difference. First operand has 847 places, 2371 transitions, 83731 flow. Second operand 17 states and 317 transitions. [2021-06-11 13:42:28,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 863 places, 2498 transitions, 93204 flow [2021-06-11 13:42:37,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 853 places, 2498 transitions, 93038 flow, removed 28 selfloop flow, removed 10 redundant places. [2021-06-11 13:42:37,115 INFO L241 Difference]: Finished difference. Result has 859 places, 2470 transitions, 88436 flow [2021-06-11 13:42:37,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=83565, PETRI_DIFFERENCE_MINUEND_PLACES=837, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2032, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=88436, PETRI_PLACES=859, PETRI_TRANSITIONS=2470} [2021-06-11 13:42:37,116 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 838 predicate places. [2021-06-11 13:42:37,117 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:42:37,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 2470 transitions, 88436 flow [2021-06-11 13:42:37,117 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 2470 transitions, 88436 flow [2021-06-11 13:42:37,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 2470 transitions, 88436 flow [2021-06-11 13:42:40,142 INFO L129 PetriNetUnfolder]: 2170/5629 cut-off events. [2021-06-11 13:42:40,142 INFO L130 PetriNetUnfolder]: For 642555/642897 co-relation queries the response was YES. [2021-06-11 13:42:40,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91337 conditions, 5629 events. 2170/5629 cut-off events. For 642555/642897 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 59248 event pairs, 38 based on Foata normal form. 86/5706 useless extension candidates. Maximal degree in co-relation 90733. Up to 983 conditions per place. [2021-06-11 13:42:40,341 INFO L151 LiptonReduction]: Number of co-enabled transitions 2838 [2021-06-11 13:42:41,163 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:42:41,163 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:42:41,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4046 [2021-06-11 13:42:41,163 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 2470 transitions, 88436 flow [2021-06-11 13:42:41,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:41,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:42:41,164 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:42:41,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132,79 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:42:41,377 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:42:41,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:42:41,377 INFO L82 PathProgramCache]: Analyzing trace with hash -805428587, now seen corresponding path program 52 times [2021-06-11 13:42:41,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:42:41,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491665926] [2021-06-11 13:42:41,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:42:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:42:41,403 INFO L142 QuantifierPusher]: treesize reduction 23, result has 47.7 percent of original size [2021-06-11 13:42:41,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:41,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:42:41,430 INFO L142 QuantifierPusher]: treesize reduction 39, result has 48.0 percent of original size [2021-06-11 13:42:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:42:41,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:41,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:41,483 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:42:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:42:41,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491665926] [2021-06-11 13:42:41,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076028433] [2021-06-11 13:42:41,494 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:42:41,519 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:42:41,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:42:41,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 13:42:41,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:42:41,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:42:41,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,558 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-06-11 13:42:41,558 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-06-11 13:42:41,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:42:41,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:42:41,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:42:41,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,578 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size 36 [2021-06-11 13:42:41,578 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size [2021-06-11 13:42:41,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:42:41,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:42:41,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:42:41,602 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 13:42:41,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:42:41,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:41,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:41,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:41,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,627 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-06-11 13:42:41,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 13:42:41,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:42:41,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,674 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 13:42:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:42:41,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:42:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:41,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:42:41,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:41,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:42:41,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:42:41,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:42:41,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:42:41,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:42:41,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:42:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:42:41,707 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 37 [2021-06-11 13:42:41,708 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-06-11 13:42:41,711 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-06-11 13:42:41,711 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:42:41,712 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,712 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-06-11 13:42:41,712 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:42:41,713 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,714 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:42:41,714 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,715 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.0 percent of original size [2021-06-11 13:42:41,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:42:41,716 INFO L147 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size 23 [2021-06-11 13:42:41,716 INFO L142 QuantifierPusher]: treesize reduction 26, result has 46.9 percent of original size [2021-06-11 13:42:41,717 INFO L147 QuantifierPusher]: treesize reduction 15, result has 34.8 percent of original size 8 [2021-06-11 13:42:41,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-11 13:42:41,759 INFO L628 ElimStorePlain]: treesize reduction 15, result has 57.1 percent of original size [2021-06-11 13:42:41,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,760 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:42:41,765 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,767 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-06-11 13:42:41,767 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 13:42:41,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:42:41,767 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-06-11 13:42:41,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 13:42:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:42:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:42:41,790 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:42:41,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:41,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:42:41,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:42:41,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,793 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:42:41,794 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:42:41,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:42:41,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:42:41,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:42:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:42:41,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:42:41,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-06-11 13:42:41,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445113834] [2021-06-11 13:42:41,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:42:41,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:42:41,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:42:41,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:42:41,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:42:41,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 2470 transitions, 88436 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:41,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:42:41,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:42:41,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:42:48,879 INFO L129 PetriNetUnfolder]: 2525/6235 cut-off events. [2021-06-11 13:42:48,879 INFO L130 PetriNetUnfolder]: For 769934/769953 co-relation queries the response was YES. [2021-06-11 13:42:49,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107739 conditions, 6235 events. 2525/6235 cut-off events. For 769934/769953 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 64149 event pairs, 46 based on Foata normal form. 25/6260 useless extension candidates. Maximal degree in co-relation 107192. Up to 3452 conditions per place. [2021-06-11 13:42:49,044 INFO L132 encePairwiseOnDemand]: 31/39 looper letters, 1673 selfloop transitions, 903 changer transitions 8/2590 dead transitions. [2021-06-11 13:42:49,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 879 places, 2590 transitions, 98215 flow [2021-06-11 13:42:49,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-11 13:42:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-06-11 13:42:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 374 transitions. [2021-06-11 13:42:49,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45665445665445664 [2021-06-11 13:42:49,045 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 374 transitions. [2021-06-11 13:42:49,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 374 transitions. [2021-06-11 13:42:49,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:42:49,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 374 transitions. [2021-06-11 13:42:49,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 17.80952380952381) internal successors, (374), 21 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:49,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 39.0) internal successors, (858), 22 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:49,046 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 39.0) internal successors, (858), 22 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:42:49,047 INFO L185 Difference]: Start difference. First operand has 859 places, 2470 transitions, 88436 flow. Second operand 21 states and 374 transitions. [2021-06-11 13:42:49,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 879 places, 2590 transitions, 98215 flow [2021-06-11 13:42:58,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 2590 transitions, 96419 flow, removed 848 selfloop flow, removed 7 redundant places. [2021-06-11 13:42:58,630 INFO L241 Difference]: Finished difference. Result has 879 places, 2526 transitions, 91370 flow [2021-06-11 13:42:58,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=86706, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=848, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1587, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=91370, PETRI_PLACES=879, PETRI_TRANSITIONS=2526} [2021-06-11 13:42:58,631 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 858 predicate places. [2021-06-11 13:42:58,631 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:42:58,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 879 places, 2526 transitions, 91370 flow [2021-06-11 13:42:58,631 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 879 places, 2526 transitions, 91370 flow [2021-06-11 13:42:58,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 879 places, 2526 transitions, 91370 flow [2021-06-11 13:43:01,532 INFO L129 PetriNetUnfolder]: 2214/5767 cut-off events. [2021-06-11 13:43:01,532 INFO L130 PetriNetUnfolder]: For 681956/682279 co-relation queries the response was YES. [2021-06-11 13:43:01,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94818 conditions, 5767 events. 2214/5767 cut-off events. For 681956/682279 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 61195 event pairs, 40 based on Foata normal form. 61/5814 useless extension candidates. Maximal degree in co-relation 94104. Up to 996 conditions per place. [2021-06-11 13:43:01,925 INFO L151 LiptonReduction]: Number of co-enabled transitions 2902 [2021-06-11 13:43:02,699 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:43:02,699 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:43:02,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4068 [2021-06-11 13:43:02,700 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 2526 transitions, 91370 flow [2021-06-11 13:43:02,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:02,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:43:02,700 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:43:02,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:43:02,900 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:43:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:43:02,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1308731815, now seen corresponding path program 28 times [2021-06-11 13:43:02,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:43:02,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548779947] [2021-06-11 13:43:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:43:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:43:02,912 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 13:43:02,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:43:02,930 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-06-11 13:43:02,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:43:02,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:02,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:43:02,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:02,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:43:02,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 13:43:02,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:43:02,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 13:43:02,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:43:02,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548779947] [2021-06-11 13:43:02,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415443451] [2021-06-11 13:43:02,999 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:43:03,018 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:43:03,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:43:03,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-11 13:43:03,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:43:03,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,033 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 13:43:03,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,053 INFO L142 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size [2021-06-11 13:43:03,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,054 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size 33 [2021-06-11 13:43:03,054 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-06-11 13:43:03,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,075 INFO L142 QuantifierPusher]: treesize reduction 3, result has 82.4 percent of original size [2021-06-11 13:43:03,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,076 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-06-11 13:43:03,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-06-11 13:43:03,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:43:03,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:43:03,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:43:03,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:43:03,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,097 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-06-11 13:43:03,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:43:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:43:03,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:03,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:43:03,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:43:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:43:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-11 13:43:03,111 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2021-06-11 13:43:03,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:03,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:03,113 INFO L142 QuantifierPusher]: treesize reduction 6, result has 57.1 percent of original size [2021-06-11 13:43:03,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:03,113 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-11 13:43:03,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,123 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:43:03,123 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:43:03,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:43:03,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-11 13:43:03,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:17 [2021-06-11 13:43:03,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:43:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:43:03,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-06-11 13:43:03,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:43:03,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:43:03,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:43:03,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,158 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:43:03,159 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:03,160 INFO L142 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size [2021-06-11 13:43:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:03,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:03,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:03,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:43:03,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:43:03,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-11 13:43:03,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136961532] [2021-06-11 13:43:03,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:43:03,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:43:03,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:43:03,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:43:03,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 39 [2021-06-11 13:43:03,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 2526 transitions, 91370 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:03,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:43:03,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 39 [2021-06-11 13:43:03,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:43:10,291 INFO L129 PetriNetUnfolder]: 2526/6301 cut-off events. [2021-06-11 13:43:10,291 INFO L130 PetriNetUnfolder]: For 780103/780122 co-relation queries the response was YES. [2021-06-11 13:43:10,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108690 conditions, 6301 events. 2526/6301 cut-off events. For 780103/780122 co-relation queries the response was YES. Maximal size of possible extension queue 780. Compared 65297 event pairs, 214 based on Foata normal form. 24/6325 useless extension candidates. Maximal degree in co-relation 108130. Up to 4867 conditions per place. [2021-06-11 13:43:10,470 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 2442 selfloop transitions, 107 changer transitions 1/2556 dead transitions. [2021-06-11 13:43:10,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 2556 transitions, 97529 flow [2021-06-11 13:43:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:43:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:43:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 251 transitions. [2021-06-11 13:43:10,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4597069597069597 [2021-06-11 13:43:10,473 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 251 transitions. [2021-06-11 13:43:10,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 251 transitions. [2021-06-11 13:43:10,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:43:10,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 251 transitions. [2021-06-11 13:43:10,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.928571428571427) internal successors, (251), 14 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:10,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:10,474 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 39.0) internal successors, (585), 15 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:10,474 INFO L185 Difference]: Start difference. First operand has 879 places, 2526 transitions, 91370 flow. Second operand 14 states and 251 transitions. [2021-06-11 13:43:10,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 2556 transitions, 97529 flow [2021-06-11 13:43:21,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 883 places, 2556 transitions, 96039 flow, removed 651 selfloop flow, removed 9 redundant places. [2021-06-11 13:43:21,340 INFO L241 Difference]: Finished difference. Result has 887 places, 2547 transitions, 90873 flow [2021-06-11 13:43:21,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=89880, PETRI_DIFFERENCE_MINUEND_PLACES=870, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=90873, PETRI_PLACES=887, PETRI_TRANSITIONS=2547} [2021-06-11 13:43:21,342 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 866 predicate places. [2021-06-11 13:43:21,342 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:43:21,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 2547 transitions, 90873 flow [2021-06-11 13:43:21,342 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 2547 transitions, 90873 flow [2021-06-11 13:43:21,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 887 places, 2547 transitions, 90873 flow [2021-06-11 13:43:24,116 INFO L129 PetriNetUnfolder]: 2210/5761 cut-off events. [2021-06-11 13:43:24,116 INFO L130 PetriNetUnfolder]: For 668221/668605 co-relation queries the response was YES. [2021-06-11 13:43:24,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93411 conditions, 5761 events. 2210/5761 cut-off events. For 668221/668605 co-relation queries the response was YES. Maximal size of possible extension queue 731. Compared 61169 event pairs, 39 based on Foata normal form. 61/5806 useless extension candidates. Maximal degree in co-relation 92862. Up to 952 conditions per place. [2021-06-11 13:43:24,507 INFO L151 LiptonReduction]: Number of co-enabled transitions 2926 [2021-06-11 13:43:25,251 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:43:25,251 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:43:25,251 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3909 [2021-06-11 13:43:25,251 INFO L480 AbstractCegarLoop]: Abstraction has has 887 places, 2547 transitions, 90873 flow [2021-06-11 13:43:25,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:25,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:43:25,251 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:43:25,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable139 [2021-06-11 13:43:25,452 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:43:25,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:43:25,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1051709483, now seen corresponding path program 53 times [2021-06-11 13:43:25,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:43:25,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391533987] [2021-06-11 13:43:25,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:43:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:43:25,465 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:43:25,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:25,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:25,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:43:25,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391533987] [2021-06-11 13:43:25,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179405941] [2021-06-11 13:43:25,502 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:43:25,521 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:43:25,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:43:25,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-11 13:43:25,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:43:25,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:25,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:25,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:25,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:43:25,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:25,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:43:25,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:25,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:25,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:43:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:43:25,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:25,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:25,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:25,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:43:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:25,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:43:25,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:43:25,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-11 13:43:25,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160794255] [2021-06-11 13:43:25,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:43:25,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:43:25,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:43:25,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:43:25,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:43:25,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 887 places, 2547 transitions, 90873 flow. Second operand has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 12 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:25,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:43:25,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:43:25,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:43:33,181 INFO L129 PetriNetUnfolder]: 2842/7214 cut-off events. [2021-06-11 13:43:33,181 INFO L130 PetriNetUnfolder]: For 907571/907573 co-relation queries the response was YES. [2021-06-11 13:43:33,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123969 conditions, 7214 events. 2842/7214 cut-off events. For 907571/907573 co-relation queries the response was YES. Maximal size of possible extension queue 848. Compared 76631 event pairs, 189 based on Foata normal form. 33/7247 useless extension candidates. Maximal degree in co-relation 123187. Up to 4334 conditions per place. [2021-06-11 13:43:33,381 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2282 selfloop transitions, 717 changer transitions 0/3007 dead transitions. [2021-06-11 13:43:33,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 906 places, 3007 transitions, 115645 flow [2021-06-11 13:43:33,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:43:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:43:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 404 transitions. [2021-06-11 13:43:33,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.517948717948718 [2021-06-11 13:43:33,382 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 404 transitions. [2021-06-11 13:43:33,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 404 transitions. [2021-06-11 13:43:33,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:43:33,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 404 transitions. [2021-06-11 13:43:33,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 20.2) internal successors, (404), 20 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:33,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 39.0) internal successors, (819), 21 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:33,384 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 39.0) internal successors, (819), 21 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:33,384 INFO L185 Difference]: Start difference. First operand has 887 places, 2547 transitions, 90873 flow. Second operand 20 states and 404 transitions. [2021-06-11 13:43:33,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 906 places, 3007 transitions, 115645 flow [2021-06-11 13:43:45,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 898 places, 3007 transitions, 115376 flow, removed 80 selfloop flow, removed 8 redundant places. [2021-06-11 13:43:45,824 INFO L241 Difference]: Finished difference. Result has 908 places, 2868 transitions, 106617 flow [2021-06-11 13:43:45,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=90604, PETRI_DIFFERENCE_MINUEND_PLACES=879, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=442, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1937, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=106617, PETRI_PLACES=908, PETRI_TRANSITIONS=2868} [2021-06-11 13:43:45,825 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 887 predicate places. [2021-06-11 13:43:45,825 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:43:45,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 908 places, 2868 transitions, 106617 flow [2021-06-11 13:43:45,825 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 908 places, 2868 transitions, 106617 flow [2021-06-11 13:43:45,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 908 places, 2868 transitions, 106617 flow [2021-06-11 13:43:49,373 INFO L129 PetriNetUnfolder]: 2508/6619 cut-off events. [2021-06-11 13:43:49,373 INFO L130 PetriNetUnfolder]: For 840124/840492 co-relation queries the response was YES. [2021-06-11 13:43:49,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111254 conditions, 6619 events. 2508/6619 cut-off events. For 840124/840492 co-relation queries the response was YES. Maximal size of possible extension queue 769. Compared 71826 event pairs, 40 based on Foata normal form. 83/6691 useless extension candidates. Maximal degree in co-relation 110558. Up to 1044 conditions per place. [2021-06-11 13:43:49,636 INFO L151 LiptonReduction]: Number of co-enabled transitions 3470 [2021-06-11 13:43:50,580 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:43:50,580 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:43:50,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4755 [2021-06-11 13:43:50,580 INFO L480 AbstractCegarLoop]: Abstraction has has 908 places, 2868 transitions, 106617 flow [2021-06-11 13:43:50,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 12 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:50,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:43:50,580 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:43:50,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:43:50,781 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:43:50,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:43:50,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1210212865, now seen corresponding path program 54 times [2021-06-11 13:43:50,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:43:50,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012127933] [2021-06-11 13:43:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:43:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:43:50,786 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:43:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:50,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:50,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:50,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:43:50,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012127933] [2021-06-11 13:43:50,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159024480] [2021-06-11 13:43:50,819 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:43:50,837 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-11 13:43:50,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:43:50,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-11 13:43:50,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:43:50,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:50,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:43:50,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:50,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:50,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:50,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:43:50,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:43:50,879 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:43:50,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:50,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:50,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:43:50,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:50,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:50,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:50,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:50,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:43:50,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:50,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:50,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:43:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:43:50,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:50,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:50,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:50,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:43:50,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:43:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:43:50,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:50,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:43:50,899 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:43:50,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:43:50,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:43:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:43:50,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:43:50,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-11 13:43:50,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403072379] [2021-06-11 13:43:50,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:43:50,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:43:50,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:43:50,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:43:50,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:43:50,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 908 places, 2868 transitions, 106617 flow. Second operand has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 12 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:50,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:43:50,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:43:50,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:43:59,711 INFO L129 PetriNetUnfolder]: 2871/7344 cut-off events. [2021-06-11 13:43:59,711 INFO L130 PetriNetUnfolder]: For 996017/996019 co-relation queries the response was YES. [2021-06-11 13:43:59,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130189 conditions, 7344 events. 2871/7344 cut-off events. For 996017/996019 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 78649 event pairs, 195 based on Foata normal form. 12/7356 useless extension candidates. Maximal degree in co-relation 129396. Up to 3869 conditions per place. [2021-06-11 13:43:59,917 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2173 selfloop transitions, 904 changer transitions 6/3091 dead transitions. [2021-06-11 13:43:59,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 3091 transitions, 122238 flow [2021-06-11 13:43:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-11 13:43:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-06-11 13:43:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 504 transitions. [2021-06-11 13:43:59,918 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5169230769230769 [2021-06-11 13:43:59,918 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 504 transitions. [2021-06-11 13:43:59,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 504 transitions. [2021-06-11 13:43:59,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:43:59,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 504 transitions. [2021-06-11 13:43:59,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 20.16) internal successors, (504), 25 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:59,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 39.0) internal successors, (1014), 26 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:59,920 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 39.0) internal successors, (1014), 26 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:43:59,920 INFO L185 Difference]: Start difference. First operand has 908 places, 2868 transitions, 106617 flow. Second operand 25 states and 504 transitions. [2021-06-11 13:43:59,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 3091 transitions, 122238 flow [2021-06-11 13:44:14,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 3091 transitions, 120442 flow, removed 880 selfloop flow, removed 3 redundant places. [2021-06-11 13:44:14,530 INFO L241 Difference]: Finished difference. Result has 937 places, 2926 transitions, 110017 flow [2021-06-11 13:44:14,532 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=104975, PETRI_DIFFERENCE_MINUEND_PLACES=905, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2868, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=850, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1996, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=110017, PETRI_PLACES=937, PETRI_TRANSITIONS=2926} [2021-06-11 13:44:14,532 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 916 predicate places. [2021-06-11 13:44:14,532 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:44:14,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 937 places, 2926 transitions, 110017 flow [2021-06-11 13:44:14,533 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 937 places, 2926 transitions, 110017 flow [2021-06-11 13:44:14,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 937 places, 2926 transitions, 110017 flow [2021-06-11 13:44:18,311 INFO L129 PetriNetUnfolder]: 2535/6758 cut-off events. [2021-06-11 13:44:18,311 INFO L130 PetriNetUnfolder]: For 882040/882464 co-relation queries the response was YES. [2021-06-11 13:44:18,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114563 conditions, 6758 events. 2535/6758 cut-off events. For 882040/882464 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 74133 event pairs, 40 based on Foata normal form. 68/6814 useless extension candidates. Maximal degree in co-relation 113859. Up to 1055 conditions per place. [2021-06-11 13:44:18,738 INFO L151 LiptonReduction]: Number of co-enabled transitions 3552 [2021-06-11 13:44:19,742 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:44:19,742 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:44:19,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5210 [2021-06-11 13:44:19,742 INFO L480 AbstractCegarLoop]: Abstraction has has 937 places, 2926 transitions, 110017 flow [2021-06-11 13:44:19,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 17.083333333333332) internal successors, (205), 12 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:19,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:44:19,743 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:44:19,943 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:44:19,943 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:44:19,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:44:19,944 INFO L82 PathProgramCache]: Analyzing trace with hash 310480873, now seen corresponding path program 29 times [2021-06-11 13:44:19,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:44:19,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889611143] [2021-06-11 13:44:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:44:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:44:19,949 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:44:19,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:19,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:19,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:44:19,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:19,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:19,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:44:19,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889611143] [2021-06-11 13:44:19,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322880932] [2021-06-11 13:44:19,971 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:44:19,991 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:44:19,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:44:19,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 13:44:19,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:44:19,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:19,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:19,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:20,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:44:20,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:20,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:44:20,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:20,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:20,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:20,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:44:20,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:44:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:44:20,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:44:20,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:44:20,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:20,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:44:20,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:20,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:44:20,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:20,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:44:20,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:20,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:20,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:44:20,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:20,050 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:44:20,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:20,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:20,056 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:44:20,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:44:20,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-06-11 13:44:20,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556926651] [2021-06-11 13:44:20,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:44:20,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:44:20,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:44:20,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:44:20,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:44:20,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 2926 transitions, 110017 flow. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 10 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:20,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:44:20,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:44:20,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:44:29,207 INFO L129 PetriNetUnfolder]: 3070/7829 cut-off events. [2021-06-11 13:44:29,207 INFO L130 PetriNetUnfolder]: For 1089253/1089272 co-relation queries the response was YES. [2021-06-11 13:44:29,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139283 conditions, 7829 events. 3070/7829 cut-off events. For 1089253/1089272 co-relation queries the response was YES. Maximal size of possible extension queue 922. Compared 84811 event pairs, 216 based on Foata normal form. 49/7878 useless extension candidates. Maximal degree in co-relation 138482. Up to 4170 conditions per place. [2021-06-11 13:44:29,444 INFO L132 encePairwiseOnDemand]: 33/39 looper letters, 2458 selfloop transitions, 793 changer transitions 6/3265 dead transitions. [2021-06-11 13:44:29,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 3265 transitions, 127509 flow [2021-06-11 13:44:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:44:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:44:29,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 262 transitions. [2021-06-11 13:44:29,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5167652859960552 [2021-06-11 13:44:29,458 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 262 transitions. [2021-06-11 13:44:29,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 262 transitions. [2021-06-11 13:44:29,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:44:29,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 262 transitions. [2021-06-11 13:44:29,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 13 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:29,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:29,459 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:29,459 INFO L185 Difference]: Start difference. First operand has 937 places, 2926 transitions, 110017 flow. Second operand 13 states and 262 transitions. [2021-06-11 13:44:29,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 3265 transitions, 127509 flow [2021-06-11 13:44:44,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 944 places, 3265 transitions, 126546 flow, removed 432 selfloop flow, removed 4 redundant places. [2021-06-11 13:44:44,981 INFO L241 Difference]: Finished difference. Result has 952 places, 3113 transitions, 116485 flow [2021-06-11 13:44:44,982 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=108878, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=607, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=116485, PETRI_PLACES=952, PETRI_TRANSITIONS=3113} [2021-06-11 13:44:44,982 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 931 predicate places. [2021-06-11 13:44:44,982 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:44:44,983 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 952 places, 3113 transitions, 116485 flow [2021-06-11 13:44:44,983 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 952 places, 3113 transitions, 116485 flow [2021-06-11 13:44:45,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 952 places, 3113 transitions, 116485 flow [2021-06-11 13:44:49,800 INFO L129 PetriNetUnfolder]: 2757/7322 cut-off events. [2021-06-11 13:44:49,800 INFO L130 PetriNetUnfolder]: For 996511/996804 co-relation queries the response was YES. [2021-06-11 13:44:49,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125869 conditions, 7322 events. 2757/7322 cut-off events. For 996511/996804 co-relation queries the response was YES. Maximal size of possible extension queue 871. Compared 80787 event pairs, 64 based on Foata normal form. 90/7401 useless extension candidates. Maximal degree in co-relation 125114. Up to 1159 conditions per place. [2021-06-11 13:44:50,074 INFO L151 LiptonReduction]: Number of co-enabled transitions 3580 [2021-06-11 13:44:51,486 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:44:51,487 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:44:51,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6505 [2021-06-11 13:44:51,487 INFO L480 AbstractCegarLoop]: Abstraction has has 952 places, 3113 transitions, 116485 flow [2021-06-11 13:44:51,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 10 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:51,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:44:51,487 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:44:51,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-06-11 13:44:51,701 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:44:51,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:44:51,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1068944141, now seen corresponding path program 30 times [2021-06-11 13:44:51,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:44:51,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127736925] [2021-06-11 13:44:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:44:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:44:51,717 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-06-11 13:44:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:44:51,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:44:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 13:44:51,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127736925] [2021-06-11 13:44:51,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093420503] [2021-06-11 13:44:51,739 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:44:51,765 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 13:44:51,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:44:51,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:44:51,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:44:51,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:44:51,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:44:51,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:44:51,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:44:51,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:44:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:51,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:44:51,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:44:51,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:44:51,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:44:51,812 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:44:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:44:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:44:51,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:44:51,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:44:51,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:51,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:44:51,819 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:44:51,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:44:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:44:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 13:44:51,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:44:51,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-11 13:44:51,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602425028] [2021-06-11 13:44:51,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:44:51,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:44:51,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:44:51,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:44:51,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 39 [2021-06-11 13:44:51,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 3113 transitions, 116485 flow. Second operand has 9 states, 9 states have (on average 18.555555555555557) internal successors, (167), 9 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:44:51,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:44:51,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 39 [2021-06-11 13:44:51,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:05,814 INFO L129 PetriNetUnfolder]: 3796/10050 cut-off events. [2021-06-11 13:45:05,814 INFO L130 PetriNetUnfolder]: For 1706048/1706056 co-relation queries the response was YES. [2021-06-11 13:45:06,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189867 conditions, 10050 events. 3796/10050 cut-off events. For 1706048/1706056 co-relation queries the response was YES. Maximal size of possible extension queue 1218. Compared 116406 event pairs, 59 based on Foata normal form. 88/10138 useless extension candidates. Maximal degree in co-relation 188943. Up to 1917 conditions per place. [2021-06-11 13:45:06,313 INFO L132 encePairwiseOnDemand]: 34/39 looper letters, 2577 selfloop transitions, 1685 changer transitions 59/4329 dead transitions. [2021-06-11 13:45:06,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 4329 transitions, 172031 flow [2021-06-11 13:45:06,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:45:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:45:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 282 transitions. [2021-06-11 13:45:06,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5562130177514792 [2021-06-11 13:45:06,314 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 282 transitions. [2021-06-11 13:45:06,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 282 transitions. [2021-06-11 13:45:06,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:06,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 282 transitions. [2021-06-11 13:45:06,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 21.692307692307693) internal successors, (282), 13 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:06,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:06,315 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 39.0) internal successors, (546), 14 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:06,315 INFO L185 Difference]: Start difference. First operand has 952 places, 3113 transitions, 116485 flow. Second operand 13 states and 282 transitions. [2021-06-11 13:45:06,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 4329 transitions, 172031 flow [2021-06-11 13:45:26,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 963 places, 4329 transitions, 170509 flow, removed 605 selfloop flow, removed 1 redundant places. [2021-06-11 13:45:26,574 INFO L241 Difference]: Finished difference. Result has 969 places, 3461 transitions, 133585 flow [2021-06-11 13:45:26,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=114418, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3094, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1345, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=133585, PETRI_PLACES=969, PETRI_TRANSITIONS=3461} [2021-06-11 13:45:26,576 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 948 predicate places. [2021-06-11 13:45:26,576 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:45:26,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 969 places, 3461 transitions, 133585 flow [2021-06-11 13:45:26,576 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 969 places, 3461 transitions, 133585 flow [2021-06-11 13:45:26,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 969 places, 3461 transitions, 133585 flow [2021-06-11 13:45:32,731 INFO L129 PetriNetUnfolder]: 3335/9217 cut-off events. [2021-06-11 13:45:32,731 INFO L130 PetriNetUnfolder]: For 1522353/1522876 co-relation queries the response was YES. [2021-06-11 13:45:32,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169281 conditions, 9217 events. 3335/9217 cut-off events. For 1522353/1522876 co-relation queries the response was YES. Maximal size of possible extension queue 1074. Compared 107876 event pairs, 89 based on Foata normal form. 130/9310 useless extension candidates. Maximal degree in co-relation 168523. Up to 1647 conditions per place. [2021-06-11 13:45:33,123 INFO L151 LiptonReduction]: Number of co-enabled transitions 4046 [2021-06-11 13:45:34,596 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:45:34,596 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:45:34,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8020 [2021-06-11 13:45:34,597 INFO L480 AbstractCegarLoop]: Abstraction has has 969 places, 3461 transitions, 133585 flow [2021-06-11 13:45:34,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 18.555555555555557) internal successors, (167), 9 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:34,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:45:34,597 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:45:34,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-06-11 13:45:34,797 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:45:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:45:34,798 INFO L82 PathProgramCache]: Analyzing trace with hash 997112631, now seen corresponding path program 31 times [2021-06-11 13:45:34,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:45:34,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051029591] [2021-06-11 13:45:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:45:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:34,802 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:45:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:45:34,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:45:34,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:34,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051029591] [2021-06-11 13:45:34,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155582590] [2021-06-11 13:45:34,829 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:45:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:45:34,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 13:45:34,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:45:34,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:45:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:34,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:34,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:45:34,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:45:34,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:45:34,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:45:34,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:45:34,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:45:34,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:34,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:34,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:34,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:34,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:45:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:45:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:35,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:45:35,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:35,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:45:35,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:45:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:45:35,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:45:35,013 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-06-11 13:45:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:45:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:45:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:45:35,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:45:35,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 13:45:35,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605156991] [2021-06-11 13:45:35,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:45:35,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:45:35,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:45:35,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:45:35,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:45:35,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 969 places, 3461 transitions, 133585 flow. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:35,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:45:35,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:45:35,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:45:55,712 INFO L129 PetriNetUnfolder]: 4971/12692 cut-off events. [2021-06-11 13:45:55,712 INFO L130 PetriNetUnfolder]: For 2609554/2609562 co-relation queries the response was YES. [2021-06-11 13:45:56,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258000 conditions, 12692 events. 4971/12692 cut-off events. For 2609554/2609562 co-relation queries the response was YES. Maximal size of possible extension queue 1413. Compared 147120 event pairs, 360 based on Foata normal form. 201/12893 useless extension candidates. Maximal degree in co-relation 257055. Up to 5788 conditions per place. [2021-06-11 13:45:56,315 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2822 selfloop transitions, 1569 changer transitions 5/4404 dead transitions. [2021-06-11 13:45:56,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 991 places, 4404 transitions, 179436 flow [2021-06-11 13:45:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-11 13:45:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-06-11 13:45:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 484 transitions. [2021-06-11 13:45:56,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5395763656633222 [2021-06-11 13:45:56,317 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 484 transitions. [2021-06-11 13:45:56,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 484 transitions. [2021-06-11 13:45:56,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:45:56,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 484 transitions. [2021-06-11 13:45:56,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 21.043478260869566) internal successors, (484), 23 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:56,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 39.0) internal successors, (936), 24 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:56,318 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 39.0) internal successors, (936), 24 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:45:56,318 INFO L185 Difference]: Start difference. First operand has 969 places, 3461 transitions, 133585 flow. Second operand 23 states and 484 transitions. [2021-06-11 13:45:56,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 991 places, 4404 transitions, 179436 flow [2021-06-11 13:46:27,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 4404 transitions, 175770 flow, removed 1299 selfloop flow, removed 8 redundant places. [2021-06-11 13:46:27,149 INFO L241 Difference]: Finished difference. Result has 998 places, 4194 transitions, 163080 flow [2021-06-11 13:46:27,152 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=131531, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=948, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=163080, PETRI_PLACES=998, PETRI_TRANSITIONS=4194} [2021-06-11 13:46:27,152 INFO L343 CegarLoopForPetriNet]: 21 programPoint places, 977 predicate places. [2021-06-11 13:46:27,152 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:46:27,152 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 998 places, 4194 transitions, 163080 flow [2021-06-11 13:46:27,152 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 998 places, 4194 transitions, 163080 flow [2021-06-11 13:46:27,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 998 places, 4194 transitions, 163080 flow [2021-06-11 13:46:37,052 INFO L129 PetriNetUnfolder]: 4391/11756 cut-off events. [2021-06-11 13:46:37,052 INFO L130 PetriNetUnfolder]: For 2198466/2199387 co-relation queries the response was YES. [2021-06-11 13:46:37,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227152 conditions, 11756 events. 4391/11756 cut-off events. For 2198466/2199387 co-relation queries the response was YES. Maximal size of possible extension queue 1295. Compared 139289 event pairs, 152 based on Foata normal form. 226/11950 useless extension candidates. Maximal degree in co-relation 226361. Up to 2541 conditions per place. [2021-06-11 13:46:37,756 INFO L151 LiptonReduction]: Number of co-enabled transitions 4296 [2021-06-11 13:46:39,729 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:46:39,730 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:46:39,730 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12578 [2021-06-11 13:46:39,730 INFO L480 AbstractCegarLoop]: Abstraction has has 998 places, 4194 transitions, 163080 flow [2021-06-11 13:46:39,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 10 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:39,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:46:39,730 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:46:39,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-06-11 13:46:39,933 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:46:39,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:46:39,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1469581127, now seen corresponding path program 32 times [2021-06-11 13:46:39,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:46:39,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696832074] [2021-06-11 13:46:39,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:46:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:46:39,937 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:46:39,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:39,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:46:39,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:39,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:46:39,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:46:39,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:46:39,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:46:39,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:39,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:39,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696832074] [2021-06-11 13:46:39,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555936420] [2021-06-11 13:46:39,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:46:39,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:46:39,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:46:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-11 13:46:39,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:46:40,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:46:40,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:46:40,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:46:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:46:40,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:46:40,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:40,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:40,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,047 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:46:40,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:40,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:46:40,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:46:40,063 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-06-11 13:46:40,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:40,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:40,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:46:40,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:46:40,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:46:40,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:46:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:46:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:46:40,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:46:40,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:46:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:46:40,072 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-11 13:46:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:46:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:46:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:46:40,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:46:40,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-06-11 13:46:40,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80434860] [2021-06-11 13:46:40,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:46:40,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:46:40,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:46:40,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:46:40,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2021-06-11 13:46:40,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 998 places, 4194 transitions, 163080 flow. Second operand has 13 states, 13 states have (on average 17.153846153846153) internal successors, (223), 13 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:46:40,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:46:40,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2021-06-11 13:46:40,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:47:13,384 INFO L129 PetriNetUnfolder]: 6309/16600 cut-off events. [2021-06-11 13:47:13,384 INFO L130 PetriNetUnfolder]: For 3725031/3725039 co-relation queries the response was YES. [2021-06-11 13:47:13,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350912 conditions, 16600 events. 6309/16600 cut-off events. For 3725031/3725039 co-relation queries the response was YES. Maximal size of possible extension queue 1870. Compared 204200 event pairs, 222 based on Foata normal form. 40/16640 useless extension candidates. Maximal degree in co-relation 349790. Up to 3930 conditions per place. [2021-06-11 13:47:13,950 INFO L132 encePairwiseOnDemand]: 32/39 looper letters, 2232 selfloop transitions, 3089 changer transitions 44/5373 dead transitions. [2021-06-11 13:47:13,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1038 places, 5373 transitions, 225162 flow [2021-06-11 13:47:13,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-11 13:47:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-06-11 13:47:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 818 transitions. [2021-06-11 13:47:13,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5115697310819262 [2021-06-11 13:47:13,951 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 818 transitions. [2021-06-11 13:47:13,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 818 transitions. [2021-06-11 13:47:13,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:47:13,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 818 transitions. [2021-06-11 13:47:13,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 19.951219512195124) internal successors, (818), 41 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:13,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 39.0) internal successors, (1638), 42 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:13,953 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 39.0) internal successors, (1638), 42 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:47:13,953 INFO L185 Difference]: Start difference. First operand has 998 places, 4194 transitions, 163080 flow. Second operand 41 states and 818 transitions. [2021-06-11 13:47:13,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1038 places, 5373 transitions, 225162 flow Received shutdown request... [2021-06-11 13:47:24,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable147 [2021-06-11 13:47:24,698 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 13:47:24,701 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 13:47:24,701 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 01:47:24 BasicIcfg [2021-06-11 13:47:24,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 13:47:24,701 INFO L168 Benchmark]: Toolchain (without parser) took 821108.44 ms. Allocated memory was 343.9 MB in the beginning and 10.6 GB in the end (delta: 10.2 GB). Free memory was 324.0 MB in the beginning and 5.6 GB in the end (delta: -5.3 GB). Peak memory consumption was 5.4 GB. Max. memory is 16.0 GB. [2021-06-11 13:47:24,701 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 325.2 MB in the beginning and 325.1 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 13:47:24,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.77 ms. Allocated memory is still 343.9 MB. Free memory was 324.0 MB in the beginning and 322.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 13:47:24,702 INFO L168 Benchmark]: Boogie Preprocessor took 13.43 ms. Allocated memory is still 343.9 MB. Free memory was 322.5 MB in the beginning and 321.5 MB in the end (delta: 979.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 13:47:24,702 INFO L168 Benchmark]: RCFGBuilder took 304.89 ms. Allocated memory is still 343.9 MB. Free memory was 321.4 MB in the beginning and 308.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-11 13:47:24,702 INFO L168 Benchmark]: TraceAbstraction took 820762.72 ms. Allocated memory was 343.9 MB in the beginning and 10.6 GB in the end (delta: 10.2 GB). Free memory was 308.4 MB in the beginning and 5.6 GB in the end (delta: -5.3 GB). Peak memory consumption was 5.4 GB. Max. memory is 16.0 GB. [2021-06-11 13:47:24,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 325.2 MB in the beginning and 325.1 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.77 ms. Allocated memory is still 343.9 MB. Free memory was 324.0 MB in the beginning and 322.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.43 ms. Allocated memory is still 343.9 MB. Free memory was 322.5 MB in the beginning and 321.5 MB in the end (delta: 979.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 304.89 ms. Allocated memory is still 343.9 MB. Free memory was 321.4 MB in the beginning and 308.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 820762.72 ms. Allocated memory was 343.9 MB in the beginning and 10.6 GB in the end (delta: 10.2 GB). Free memory was 308.4 MB in the beginning and 5.6 GB in the end (delta: -5.3 GB). Peak memory consumption was 5.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 440.5ms, 31 PlacesBefore, 21 PlacesAfterwards, 24 TransitionsBefore, 14 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 4 FixpointIterations, 4 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.6ms, 18 PlacesBefore, 18 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7ms, 20 PlacesBefore, 20 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 70 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0ms, 22 PlacesBefore, 22 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.8ms, 29 PlacesBefore, 29 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.8ms, 38 PlacesBefore, 38 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.5ms, 46 PlacesBefore, 46 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.1ms, 49 PlacesBefore, 49 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.4ms, 55 PlacesBefore, 55 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.2ms, 68 PlacesBefore, 68 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.0ms, 81 PlacesBefore, 80 PlacesAfterwards, 158 TransitionsBefore, 158 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.1ms, 83 PlacesBefore, 83 PlacesAfterwards, 153 TransitionsBefore, 153 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.7ms, 89 PlacesBefore, 89 PlacesAfterwards, 173 TransitionsBefore, 173 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.3ms, 103 PlacesBefore, 103 PlacesAfterwards, 191 TransitionsBefore, 191 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.6ms, 118 PlacesBefore, 118 PlacesAfterwards, 205 TransitionsBefore, 205 TransitionsAfterwards, 396 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.9ms, 128 PlacesBefore, 128 PlacesAfterwards, 228 TransitionsBefore, 228 TransitionsAfterwards, 442 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 132.0ms, 140 PlacesBefore, 140 PlacesAfterwards, 302 TransitionsBefore, 302 TransitionsAfterwards, 482 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.4ms, 165 PlacesBefore, 165 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 152.2ms, 175 PlacesBefore, 175 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.9ms, 184 PlacesBefore, 184 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 236.7ms, 194 PlacesBefore, 194 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.1ms, 210 PlacesBefore, 210 PlacesAfterwards, 453 TransitionsBefore, 453 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 346.5ms, 241 PlacesBefore, 241 PlacesAfterwards, 534 TransitionsBefore, 534 TransitionsAfterwards, 814 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 331.0ms, 276 PlacesBefore, 276 PlacesAfterwards, 583 TransitionsBefore, 583 TransitionsAfterwards, 852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 322.5ms, 288 PlacesBefore, 288 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 870 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 356.0ms, 294 PlacesBefore, 294 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 377.9ms, 307 PlacesBefore, 307 PlacesAfterwards, 683 TransitionsBefore, 683 TransitionsAfterwards, 1036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 514.8ms, 324 PlacesBefore, 324 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 1072 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 606.3ms, 331 PlacesBefore, 331 PlacesAfterwards, 739 TransitionsBefore, 739 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 673.8ms, 328 PlacesBefore, 325 PlacesAfterwards, 744 TransitionsBefore, 744 TransitionsAfterwards, 1082 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 523.5ms, 343 PlacesBefore, 342 PlacesAfterwards, 832 TransitionsBefore, 832 TransitionsAfterwards, 1182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 630.4ms, 355 PlacesBefore, 354 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 1192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 983.5ms, 365 PlacesBefore, 365 PlacesAfterwards, 1000 TransitionsBefore, 1000 TransitionsAfterwards, 1370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1021.3ms, 380 PlacesBefore, 380 PlacesAfterwards, 1061 TransitionsBefore, 1061 TransitionsAfterwards, 1442 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1046.2ms, 395 PlacesBefore, 395 PlacesAfterwards, 1076 TransitionsBefore, 1076 TransitionsAfterwards, 1444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1231.8ms, 407 PlacesBefore, 407 PlacesAfterwards, 1124 TransitionsBefore, 1124 TransitionsAfterwards, 1466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1074.8ms, 413 PlacesBefore, 413 PlacesAfterwards, 1142 TransitionsBefore, 1142 TransitionsAfterwards, 1476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.4ms, 428 PlacesBefore, 428 PlacesAfterwards, 1172 TransitionsBefore, 1172 TransitionsAfterwards, 1496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1326.4ms, 429 PlacesBefore, 429 PlacesAfterwards, 1176 TransitionsBefore, 1176 TransitionsAfterwards, 1498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1068.9ms, 436 PlacesBefore, 436 PlacesAfterwards, 1178 TransitionsBefore, 1178 TransitionsAfterwards, 1508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1040.7ms, 442 PlacesBefore, 442 PlacesAfterwards, 1201 TransitionsBefore, 1201 TransitionsAfterwards, 1520 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1163.9ms, 456 PlacesBefore, 455 PlacesAfterwards, 1204 TransitionsBefore, 1204 TransitionsAfterwards, 1522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1102.2ms, 465 PlacesBefore, 465 PlacesAfterwards, 1240 TransitionsBefore, 1240 TransitionsAfterwards, 1552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1110.2ms, 474 PlacesBefore, 474 PlacesAfterwards, 1256 TransitionsBefore, 1256 TransitionsAfterwards, 1582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1147.7ms, 477 PlacesBefore, 477 PlacesAfterwards, 1271 TransitionsBefore, 1271 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1176.5ms, 486 PlacesBefore, 486 PlacesAfterwards, 1301 TransitionsBefore, 1301 TransitionsAfterwards, 1658 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1126.8ms, 492 PlacesBefore, 492 PlacesAfterwards, 1318 TransitionsBefore, 1318 TransitionsAfterwards, 1688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1244.0ms, 496 PlacesBefore, 496 PlacesAfterwards, 1326 TransitionsBefore, 1326 TransitionsAfterwards, 1704 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1212.3ms, 506 PlacesBefore, 506 PlacesAfterwards, 1345 TransitionsBefore, 1345 TransitionsAfterwards, 1744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1243.8ms, 518 PlacesBefore, 518 PlacesAfterwards, 1376 TransitionsBefore, 1376 TransitionsAfterwards, 1830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1199.8ms, 533 PlacesBefore, 533 PlacesAfterwards, 1380 TransitionsBefore, 1380 TransitionsAfterwards, 1844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1466.5ms, 545 PlacesBefore, 545 PlacesAfterwards, 1512 TransitionsBefore, 1512 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1564.9ms, 554 PlacesBefore, 554 PlacesAfterwards, 1539 TransitionsBefore, 1539 TransitionsAfterwards, 2014 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1749.0ms, 579 PlacesBefore, 579 PlacesAfterwards, 1627 TransitionsBefore, 1627 TransitionsAfterwards, 2158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1651.4ms, 588 PlacesBefore, 588 PlacesAfterwards, 1647 TransitionsBefore, 1647 TransitionsAfterwards, 2172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1793.2ms, 592 PlacesBefore, 592 PlacesAfterwards, 1653 TransitionsBefore, 1653 TransitionsAfterwards, 2184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1851.3ms, 609 PlacesBefore, 609 PlacesAfterwards, 1689 TransitionsBefore, 1689 TransitionsAfterwards, 2226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2355.0ms, 611 PlacesBefore, 611 PlacesAfterwards, 1700 TransitionsBefore, 1700 TransitionsAfterwards, 2250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1927.4ms, 617 PlacesBefore, 617 PlacesAfterwards, 1725 TransitionsBefore, 1725 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1814.4ms, 622 PlacesBefore, 622 PlacesAfterwards, 1728 TransitionsBefore, 1728 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1969.7ms, 634 PlacesBefore, 634 PlacesAfterwards, 1747 TransitionsBefore, 1747 TransitionsAfterwards, 2302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1784.1ms, 646 PlacesBefore, 646 PlacesAfterwards, 1753 TransitionsBefore, 1753 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2317.5ms, 656 PlacesBefore, 656 PlacesAfterwards, 1798 TransitionsBefore, 1798 TransitionsAfterwards, 2342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2184.6ms, 669 PlacesBefore, 669 PlacesAfterwards, 1836 TransitionsBefore, 1836 TransitionsAfterwards, 2370 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2215.7ms, 678 PlacesBefore, 678 PlacesAfterwards, 1866 TransitionsBefore, 1866 TransitionsAfterwards, 2412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2003.8ms, 689 PlacesBefore, 689 PlacesAfterwards, 1875 TransitionsBefore, 1875 TransitionsAfterwards, 2414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2416.7ms, 705 PlacesBefore, 705 PlacesAfterwards, 1970 TransitionsBefore, 1970 TransitionsAfterwards, 2546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2328.5ms, 713 PlacesBefore, 713 PlacesAfterwards, 1996 TransitionsBefore, 1996 TransitionsAfterwards, 2590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2561.8ms, 724 PlacesBefore, 724 PlacesAfterwards, 2070 TransitionsBefore, 2070 TransitionsAfterwards, 2648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2536.4ms, 735 PlacesBefore, 735 PlacesAfterwards, 2094 TransitionsBefore, 2094 TransitionsAfterwards, 2662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3061.3ms, 745 PlacesBefore, 745 PlacesAfterwards, 2103 TransitionsBefore, 2103 TransitionsAfterwards, 2668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3174.4ms, 756 PlacesBefore, 756 PlacesAfterwards, 2168 TransitionsBefore, 2168 TransitionsAfterwards, 2722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3137.5ms, 765 PlacesBefore, 765 PlacesAfterwards, 2197 TransitionsBefore, 2197 TransitionsAfterwards, 2732 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3289.4ms, 773 PlacesBefore, 773 PlacesAfterwards, 2203 TransitionsBefore, 2203 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3236.3ms, 778 PlacesBefore, 778 PlacesAfterwards, 2231 TransitionsBefore, 2231 TransitionsAfterwards, 2762 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3232.8ms, 786 PlacesBefore, 786 PlacesAfterwards, 2235 TransitionsBefore, 2235 TransitionsAfterwards, 2764 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3308.4ms, 795 PlacesBefore, 795 PlacesAfterwards, 2290 TransitionsBefore, 2290 TransitionsAfterwards, 2780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3701.4ms, 804 PlacesBefore, 804 PlacesAfterwards, 2344 TransitionsBefore, 2344 TransitionsAfterwards, 2802 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3509.0ms, 823 PlacesBefore, 822 PlacesAfterwards, 2354 TransitionsBefore, 2354 TransitionsAfterwards, 2808 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3375.2ms, 833 PlacesBefore, 833 PlacesAfterwards, 2363 TransitionsBefore, 2363 TransitionsAfterwards, 2802 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3747.8ms, 849 PlacesBefore, 847 PlacesAfterwards, 2371 TransitionsBefore, 2371 TransitionsAfterwards, 2804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4046.2ms, 859 PlacesBefore, 859 PlacesAfterwards, 2470 TransitionsBefore, 2470 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4067.9ms, 879 PlacesBefore, 879 PlacesAfterwards, 2526 TransitionsBefore, 2526 TransitionsAfterwards, 2902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3908.8ms, 887 PlacesBefore, 887 PlacesAfterwards, 2547 TransitionsBefore, 2547 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4754.4ms, 908 PlacesBefore, 908 PlacesAfterwards, 2868 TransitionsBefore, 2868 TransitionsAfterwards, 3470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5209.2ms, 937 PlacesBefore, 937 PlacesAfterwards, 2926 TransitionsBefore, 2926 TransitionsAfterwards, 3552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6503.9ms, 952 PlacesBefore, 952 PlacesAfterwards, 3113 TransitionsBefore, 3113 TransitionsAfterwards, 3580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8020.5ms, 969 PlacesBefore, 969 PlacesAfterwards, 3461 TransitionsBefore, 3461 TransitionsAfterwards, 4046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12577.2ms, 998 PlacesBefore, 998 PlacesAfterwards, 4194 TransitionsBefore, 4194 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 820630.2ms, OverallIterations: 89, TraceHistogramMax: 3, EmptinessCheckTime: 0.0ms, AutomataDifference: 627615.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 512.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 374 SDtfs, 2009 SDslu, 611 SDs, 0 SdLazy, 17642 SolverSat, 1452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8762.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2399 GetRequests, 787 SyntacticMatches, 89 SemanticMatches, 1523 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6228 ImplicationChecksByTransitivity, 25525.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=163080occurred in iteration=88, InterpolantAutomatonStates: 1210, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 511.1ms SsaConstructionTime, 949.8ms SatisfiabilityAnalysisTime, 19479.0ms InterpolantComputationTime, 2541 NumberOfCodeBlocks, 2541 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 2366 ConstructedInterpolants, 38 QuantifiedInterpolants, 29084 SizeOfPredicates, 267 NumberOfNonLiveVariables, 5147 ConjunctsInSsa, 1421 ConjunctsInUnsatCore, 175 InterpolantComputations, 3 PerfectInterpolantSequences, 125/828 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown