/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/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 13:20:31,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 13:20:31,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 13:20:31,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 13:20:31,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 13:20:31,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 13:20:31,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 13:20:31,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 13:20:31,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 13:20:31,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 13:20:31,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 13:20:31,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 13:20:31,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 13:20:31,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 13:20:31,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 13:20:31,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 13:20:31,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 13:20:31,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 13:20:31,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 13:20:31,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 13:20:31,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 13:20:31,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 13:20:31,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 13:20:31,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 13:20:31,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 13:20:31,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 13:20:31,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 13:20:31,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 13:20:31,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 13:20:31,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 13:20:31,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 13:20:31,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 13:20:31,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 13:20:31,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 13:20:31,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 13:20:31,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 13:20:31,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 13:20:31,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 13:20:31,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 13:20:31,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 13:20:31,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 13:20:31,101 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 13:20:31,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 13:20:31,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 13:20:31,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 13:20:31,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 13:20:31,151 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 13:20:31,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 13:20:31,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 13:20:31,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 13:20:31,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 13:20:31,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 13:20:31,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 13:20:31,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 13:20:31,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 13:20:31,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 13:20:31,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 13:20:31,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 13:20:31,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 13:20:31,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 13:20:31,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 13:20:31,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 13:20:31,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 13:20:31,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 13:20:31,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 13:20:31,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 13:20:31,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 13:20:31,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 13:20:31,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 13:20:31,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 13:20:31,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 13:20:31,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 13:20:31,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 13:20:31,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 13:20:31,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 13:20:31,483 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 13:20:31,484 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 13:20:31,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2021-06-11 13:20:31,497 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2021-06-11 13:20:31,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 13:20:31,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 13:20:31,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 13:20:31,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 13:20:31,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 13:20:31,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 13:20:31,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 13:20:31,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 13:20:31,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 13:20:31,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/1) ... [2021-06-11 13:20:31,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 13:20:31,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 13:20:31,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 13:20:31,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 13:20:31,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (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 13:20:31,642 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 13:20:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 13:20:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 13:20:31,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 13:20:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 13:20:31,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 13:20:31,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 13:20:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 13:20:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 13:20:31,645 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 13:20:31,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 13:20:31,814 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 13:20:31,816 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 01:20:31 BoogieIcfgContainer [2021-06-11 13:20:31,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 13:20:31,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 13:20:31,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 13:20:31,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 13:20:31,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 01:20:31" (1/2) ... [2021-06-11 13:20:31,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c71ea43 and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 01:20:31, skipping insertion in model container [2021-06-11 13:20:31,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 01:20:31" (2/2) ... [2021-06-11 13:20:31,822 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2021-06-11 13:20:31,826 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 13:20:31,829 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 13:20:31,830 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 13:20:31,870 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-11 13:20:31,886 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-11 13:20:31,905 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 13:20:31,906 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 13:20:31,906 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 13:20:31,906 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 13:20:31,906 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 13:20:31,906 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 13:20:31,906 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 13:20:31,906 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 13:20:31,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 23 transitions, 62 flow [2021-06-11 13:20:31,948 INFO L129 PetriNetUnfolder]: 2/21 cut-off events. [2021-06-11 13:20:31,949 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 13:20:31,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-06-11 13:20:31,951 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 23 transitions, 62 flow [2021-06-11 13:20:31,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 19 transitions, 50 flow [2021-06-11 13:20:31,956 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:31,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 19 transitions, 50 flow [2021-06-11 13:20:31,971 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 19 transitions, 50 flow [2021-06-11 13:20:31,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 50 flow [2021-06-11 13:20:31,979 INFO L129 PetriNetUnfolder]: 2/19 cut-off events. [2021-06-11 13:20:31,979 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 13:20:31,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 19 events. 2/19 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-06-11 13:20:31,982 INFO L151 LiptonReduction]: Number of co-enabled transitions 48 [2021-06-11 13:20:32,113 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 13:20:32,139 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 13:20:32,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,349 INFO L163 LiptonReduction]: Checked pairs total: 20 [2021-06-11 13:20:32,349 INFO L165 LiptonReduction]: Total number of compositions: 9 [2021-06-11 13:20:32,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-06-11 13:20:32,373 INFO L129 PetriNetUnfolder]: 2/9 cut-off events. [2021-06-11 13:20:32,373 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 13:20:32,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:32,374 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:32,374 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:32,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:32,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1518710376, now seen corresponding path program 1 times [2021-06-11 13:20:32,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:32,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007159153] [2021-06-11 13:20:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:32,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,481 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 13:20:32,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007159153] [2021-06-11 13:20:32,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:20:32,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:20:32,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586981279] [2021-06-11 13:20:32,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:20:32,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:20:32,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:20:32,503 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 32 [2021-06-11 13:20:32,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 10 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:32,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 32 [2021-06-11 13:20:32,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:32,518 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-06-11 13:20:32,518 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 13:20:32,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 11 events. 2/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 11. Up to 4 conditions per place. [2021-06-11 13:20:32,519 INFO L132 encePairwiseOnDemand]: 29/32 looper letters, 2 selfloop transitions, 2 changer transitions 0/11 dead transitions. [2021-06-11 13:20:32,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 11 transitions, 42 flow [2021-06-11 13:20:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:20:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:20:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2021-06-11 13:20:32,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6458333333333334 [2021-06-11 13:20:32,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 62 transitions. [2021-06-11 13:20:32,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 62 transitions. [2021-06-11 13:20:32,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:32,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 62 transitions. [2021-06-11 13:20:32,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,539 INFO L185 Difference]: Start difference. First operand has 15 places, 10 transitions, 32 flow. Second operand 3 states and 62 transitions. [2021-06-11 13:20:32,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 11 transitions, 42 flow [2021-06-11 13:20:32,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 11 transitions, 34 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 13:20:32,543 INFO L241 Difference]: Finished difference. Result has 14 places, 11 transitions, 36 flow [2021-06-11 13:20:32,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=36, PETRI_PLACES=14, PETRI_TRANSITIONS=11} [2021-06-11 13:20:32,545 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, -1 predicate places. [2021-06-11 13:20:32,546 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:32,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 14 places, 11 transitions, 36 flow [2021-06-11 13:20:32,546 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 14 places, 11 transitions, 36 flow [2021-06-11 13:20:32,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 14 places, 11 transitions, 36 flow [2021-06-11 13:20:32,550 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-06-11 13:20:32,550 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:20:32,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 11 events. 2/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 9. Up to 4 conditions per place. [2021-06-11 13:20:32,550 INFO L151 LiptonReduction]: Number of co-enabled transitions 22 [2021-06-11 13:20:32,551 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:32,551 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:32,552 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-06-11 13:20:32,553 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 11 transitions, 36 flow [2021-06-11 13:20:32,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:32,553 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:32,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 13:20:32,554 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:32,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash 221041738, now seen corresponding path program 1 times [2021-06-11 13:20:32,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:32,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481263462] [2021-06-11 13:20:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:32,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,582 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 13:20:32,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481263462] [2021-06-11 13:20:32,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 13:20:32,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 13:20:32,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626474052] [2021-06-11 13:20:32,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 13:20:32,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:32,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 13:20:32,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 13:20:32,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 32 [2021-06-11 13:20:32,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 11 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:32,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 32 [2021-06-11 13:20:32,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:32,593 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-06-11 13:20:32,593 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:20:32,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 12 events. 2/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 13. Up to 4 conditions per place. [2021-06-11 13:20:32,594 INFO L132 encePairwiseOnDemand]: 29/32 looper letters, 2 selfloop transitions, 2 changer transitions 0/12 dead transitions. [2021-06-11 13:20:32,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 13:20:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 13:20:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2021-06-11 13:20:32,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6770833333333334 [2021-06-11 13:20:32,596 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 65 transitions. [2021-06-11 13:20:32,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 65 transitions. [2021-06-11 13:20:32,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:32,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 65 transitions. [2021-06-11 13:20:32,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,598 INFO L185 Difference]: Start difference. First operand has 14 places, 11 transitions, 36 flow. Second operand 3 states and 65 transitions. [2021-06-11 13:20:32,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 12 transitions, 44 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 13:20:32,599 INFO L241 Difference]: Finished difference. Result has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=16, PETRI_TRANSITIONS=12} [2021-06-11 13:20:32,600 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 1 predicate places. [2021-06-11 13:20:32,600 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:32,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,601 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,604 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-06-11 13:20:32,604 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 13:20:32,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 12 events. 2/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 15. Up to 4 conditions per place. [2021-06-11 13:20:32,605 INFO L151 LiptonReduction]: Number of co-enabled transitions 30 [2021-06-11 13:20:32,606 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:32,606 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:32,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-06-11 13:20:32,607 INFO L480 AbstractCegarLoop]: Abstraction has has 16 places, 12 transitions, 46 flow [2021-06-11 13:20:32,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:32,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:32,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 13:20:32,608 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:32,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:32,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1734781794, now seen corresponding path program 1 times [2021-06-11 13:20:32,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:32,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654955254] [2021-06-11 13:20:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:32,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:32,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:32,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:20:32,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654955254] [2021-06-11 13:20:32,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229789125] [2021-06-11 13:20:32,645 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 13:20:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:32,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-11 13:20:32,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:32,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:32,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:32,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:32,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:32,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:32,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:32,735 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-06-11 13:20:32,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:32,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:32,754 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:20:32,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:32,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:32,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:32,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:20:32,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:32,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-06-11 13:20:32,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900426651] [2021-06-11 13:20:32,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 13:20:32,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:32,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 13:20:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-11 13:20:32,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 32 [2021-06-11 13:20:32,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 46 flow. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:32,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 32 [2021-06-11 13:20:32,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:32,831 INFO L129 PetriNetUnfolder]: 7/21 cut-off events. [2021-06-11 13:20:32,831 INFO L130 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2021-06-11 13:20:32,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 21 events. 7/21 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 42. Up to 9 conditions per place. [2021-06-11 13:20:32,834 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 7 selfloop transitions, 4 changer transitions 0/16 dead transitions. [2021-06-11 13:20:32,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 16 transitions, 84 flow [2021-06-11 13:20:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 13:20:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 13:20:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2021-06-11 13:20:32,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5234375 [2021-06-11 13:20:32,837 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 67 transitions. [2021-06-11 13:20:32,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 67 transitions. [2021-06-11 13:20:32,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:32,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 67 transitions. [2021-06-11 13:20:32,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,841 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,841 INFO L185 Difference]: Start difference. First operand has 16 places, 12 transitions, 46 flow. Second operand 4 states and 67 transitions. [2021-06-11 13:20:32,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 16 transitions, 84 flow [2021-06-11 13:20:32,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 16 transitions, 82 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 13:20:32,843 INFO L241 Difference]: Finished difference. Result has 20 places, 14 transitions, 73 flow [2021-06-11 13:20:32,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=73, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2021-06-11 13:20:32,843 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 5 predicate places. [2021-06-11 13:20:32,843 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:32,844 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 14 transitions, 73 flow [2021-06-11 13:20:32,844 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 14 transitions, 73 flow [2021-06-11 13:20:32,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 14 transitions, 73 flow [2021-06-11 13:20:32,858 INFO L129 PetriNetUnfolder]: 5/19 cut-off events. [2021-06-11 13:20:32,859 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-06-11 13:20:32,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 19 events. 5/19 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 37. Up to 7 conditions per place. [2021-06-11 13:20:32,860 INFO L151 LiptonReduction]: Number of co-enabled transitions 30 [2021-06-11 13:20:32,862 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:32,862 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:32,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 13:20:32,863 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 73 flow [2021-06-11 13:20:32,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:32,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:32,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:33,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-06-11 13:20:33,077 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:33,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:33,077 INFO L82 PathProgramCache]: Analyzing trace with hash 896055412, now seen corresponding path program 2 times [2021-06-11 13:20:33,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:33,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543933377] [2021-06-11 13:20:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:33,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:33,206 INFO L142 QuantifierPusher]: treesize reduction 25, result has 49.0 percent of original size [2021-06-11 13:20:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:33,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:33,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,242 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 13:20:33,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543933377] [2021-06-11 13:20:33,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125599080] [2021-06-11 13:20:33,243 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 13:20:33,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:20:33,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:33,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 13:20:33,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:33,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,282 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-06-11 13:20:33,282 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 13:20:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:33,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:33,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:33,328 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-06-11 13:20:33,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:33,338 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:33,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:33,344 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:33,345 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,347 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-06-11 13:20:33,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:33,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:33,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:33,366 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-06-11 13:20:33,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:33,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:33,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:20:33,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,374 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:33,375 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,376 INFO L142 QuantifierPusher]: treesize reduction 12, result has 47.8 percent of original size [2021-06-11 13:20:33,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:33,381 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 13:20:33,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:33,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-11 13:20:33,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012649683] [2021-06-11 13:20:33,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:20:33,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:33,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:20:33,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:20:33,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 32 [2021-06-11 13:20:33,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 73 flow. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:33,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:33,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 32 [2021-06-11 13:20:33,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:33,469 INFO L129 PetriNetUnfolder]: 13/42 cut-off events. [2021-06-11 13:20:33,469 INFO L130 PetriNetUnfolder]: For 30/34 co-relation queries the response was YES. [2021-06-11 13:20:33,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 42 events. 13/42 cut-off events. For 30/34 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 109 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 108. Up to 19 conditions per place. [2021-06-11 13:20:33,470 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 9 selfloop transitions, 11 changer transitions 0/25 dead transitions. [2021-06-11 13:20:33,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 25 transitions, 177 flow [2021-06-11 13:20:33,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 13:20:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 13:20:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2021-06-11 13:20:33,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5089285714285714 [2021-06-11 13:20:33,472 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 114 transitions. [2021-06-11 13:20:33,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 114 transitions. [2021-06-11 13:20:33,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:33,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 114 transitions. [2021-06-11 13:20:33,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:33,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:33,474 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 32.0) internal successors, (256), 8 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:33,474 INFO L185 Difference]: Start difference. First operand has 20 places, 14 transitions, 73 flow. Second operand 7 states and 114 transitions. [2021-06-11 13:20:33,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 25 transitions, 177 flow [2021-06-11 13:20:33,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 25 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 13:20:33,476 INFO L241 Difference]: Finished difference. Result has 26 places, 23 transitions, 154 flow [2021-06-11 13:20:33,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=154, PETRI_PLACES=26, PETRI_TRANSITIONS=23} [2021-06-11 13:20:33,476 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 11 predicate places. [2021-06-11 13:20:33,476 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:33,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 23 transitions, 154 flow [2021-06-11 13:20:33,477 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 23 transitions, 154 flow [2021-06-11 13:20:33,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 23 transitions, 154 flow [2021-06-11 13:20:33,482 INFO L129 PetriNetUnfolder]: 12/41 cut-off events. [2021-06-11 13:20:33,483 INFO L130 PetriNetUnfolder]: For 30/33 co-relation queries the response was YES. [2021-06-11 13:20:33,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 41 events. 12/41 cut-off events. For 30/33 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 105 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 103. Up to 18 conditions per place. [2021-06-11 13:20:33,483 INFO L151 LiptonReduction]: Number of co-enabled transitions 52 [2021-06-11 13:20:33,485 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:33,486 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:33,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 13:20:33,486 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 23 transitions, 154 flow [2021-06-11 13:20:33,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:33,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:33,487 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:33,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:33,706 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:33,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:33,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1240891254, now seen corresponding path program 3 times [2021-06-11 13:20:33,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:33,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220804201] [2021-06-11 13:20:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:33,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:33,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:33,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,746 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 13:20:33,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220804201] [2021-06-11 13:20:33,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228240475] [2021-06-11 13:20:33,747 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 13:20:33,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:20:33,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:33,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:20:33,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:33,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:33,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:33,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:33,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:33,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:33,864 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 13:20:33,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,867 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:33,868 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:33,869 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,871 INFO L147 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size 3 [2021-06-11 13:20:33,872 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-06-11 13:20:33,872 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-06-11 13:20:33,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:33,881 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:20:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:33,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:33,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:33,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:33,893 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 13:20:33,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:33,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 13:20:33,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008290902] [2021-06-11 13:20:33,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 13:20:33,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 13:20:33,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 13:20:33,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 32 [2021-06-11 13:20:33,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 154 flow. Second operand has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:33,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:33,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 32 [2021-06-11 13:20:33,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:34,117 INFO L129 PetriNetUnfolder]: 43/113 cut-off events. [2021-06-11 13:20:34,118 INFO L130 PetriNetUnfolder]: For 229/231 co-relation queries the response was YES. [2021-06-11 13:20:34,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 113 events. 43/113 cut-off events. For 229/231 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 425 event pairs, 0 based on Foata normal form. 14/127 useless extension candidates. Maximal degree in co-relation 370. Up to 47 conditions per place. [2021-06-11 13:20:34,120 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 25 selfloop transitions, 23 changer transitions 1/54 dead transitions. [2021-06-11 13:20:34,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 54 transitions, 435 flow [2021-06-11 13:20:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:20:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:20:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 197 transitions. [2021-06-11 13:20:34,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5130208333333334 [2021-06-11 13:20:34,124 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 197 transitions. [2021-06-11 13:20:34,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 197 transitions. [2021-06-11 13:20:34,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:34,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 197 transitions. [2021-06-11 13:20:34,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 16.416666666666668) internal successors, (197), 12 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 13:20:34,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,132 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,132 INFO L185 Difference]: Start difference. First operand has 26 places, 23 transitions, 154 flow. Second operand 12 states and 197 transitions. [2021-06-11 13:20:34,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 54 transitions, 435 flow [2021-06-11 13:20:34,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 54 transitions, 428 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 13:20:34,141 INFO L241 Difference]: Finished difference. Result has 45 places, 44 transitions, 394 flow [2021-06-11 13:20:34,142 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=394, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2021-06-11 13:20:34,142 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 30 predicate places. [2021-06-11 13:20:34,142 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:34,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 44 transitions, 394 flow [2021-06-11 13:20:34,142 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 44 transitions, 394 flow [2021-06-11 13:20:34,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 44 transitions, 394 flow [2021-06-11 13:20:34,158 INFO L129 PetriNetUnfolder]: 33/101 cut-off events. [2021-06-11 13:20:34,158 INFO L130 PetriNetUnfolder]: For 303/313 co-relation queries the response was YES. [2021-06-11 13:20:34,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 101 events. 33/101 cut-off events. For 303/313 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 400 event pairs, 2 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 378. Up to 40 conditions per place. [2021-06-11 13:20:34,160 INFO L151 LiptonReduction]: Number of co-enabled transitions 64 [2021-06-11 13:20:34,165 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:34,165 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:34,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 13:20:34,165 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 394 flow [2021-06-11 13:20:34,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 14.1) internal successors, (141), 10 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:34,166 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:34,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:34,388 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:34,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:34,389 INFO L82 PathProgramCache]: Analyzing trace with hash -466674820, now seen corresponding path program 4 times [2021-06-11 13:20:34,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:34,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732513943] [2021-06-11 13:20:34,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:34,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:34,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:34,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:34,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:34,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,428 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 13:20:34,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732513943] [2021-06-11 13:20:34,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539247157] [2021-06-11 13:20:34,429 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 13:20:34,465 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:20:34,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:34,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-11 13:20:34,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:34,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:34,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:34,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:34,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:34,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:34,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:34,545 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:34,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,553 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:34,554 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:34,555 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,562 INFO L147 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size 3 [2021-06-11 13:20:34,563 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-06-11 13:20:34,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 13:20:34,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,582 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-11 13:20:34,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:34,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:34,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:34,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:34,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:34,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:34,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:34,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:34,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:34,615 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 13:20:34,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:34,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-06-11 13:20:34,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327726981] [2021-06-11 13:20:34,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 13:20:34,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:34,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 13:20:34,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-11 13:20:34,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 32 [2021-06-11 13:20:34,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 394 flow. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:34,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 32 [2021-06-11 13:20:34,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:34,810 INFO L129 PetriNetUnfolder]: 45/126 cut-off events. [2021-06-11 13:20:34,811 INFO L130 PetriNetUnfolder]: For 454/456 co-relation queries the response was YES. [2021-06-11 13:20:34,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 126 events. 45/126 cut-off events. For 454/456 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 514 event pairs, 0 based on Foata normal form. 4/130 useless extension candidates. Maximal degree in co-relation 565. Up to 53 conditions per place. [2021-06-11 13:20:34,812 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 28 selfloop transitions, 41 changer transitions 9/83 dead transitions. [2021-06-11 13:20:34,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 83 transitions, 946 flow [2021-06-11 13:20:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-11 13:20:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-11 13:20:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 232 transitions. [2021-06-11 13:20:34,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48333333333333334 [2021-06-11 13:20:34,814 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 232 transitions. [2021-06-11 13:20:34,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 232 transitions. [2021-06-11 13:20:34,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:34,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 232 transitions. [2021-06-11 13:20:34,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 15.466666666666667) internal successors, (232), 15 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 13:20:34,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,816 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 32.0) internal successors, (512), 16 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,816 INFO L185 Difference]: Start difference. First operand has 45 places, 44 transitions, 394 flow. Second operand 15 states and 232 transitions. [2021-06-11 13:20:34,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 83 transitions, 946 flow [2021-06-11 13:20:34,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 804 flow, removed 67 selfloop flow, removed 1 redundant places. [2021-06-11 13:20:34,823 INFO L241 Difference]: Finished difference. Result has 62 places, 68 transitions, 624 flow [2021-06-11 13:20:34,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=624, PETRI_PLACES=62, PETRI_TRANSITIONS=68} [2021-06-11 13:20:34,823 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 47 predicate places. [2021-06-11 13:20:34,824 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:34,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 68 transitions, 624 flow [2021-06-11 13:20:34,824 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 68 transitions, 624 flow [2021-06-11 13:20:34,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 68 transitions, 624 flow [2021-06-11 13:20:34,836 INFO L129 PetriNetUnfolder]: 39/114 cut-off events. [2021-06-11 13:20:34,836 INFO L130 PetriNetUnfolder]: For 526/530 co-relation queries the response was YES. [2021-06-11 13:20:34,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 114 events. 39/114 cut-off events. For 526/530 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 468 event pairs, 1 based on Foata normal form. 1/114 useless extension candidates. Maximal degree in co-relation 455. Up to 37 conditions per place. [2021-06-11 13:20:34,843 INFO L151 LiptonReduction]: Number of co-enabled transitions 54 [2021-06-11 13:20:34,851 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:34,851 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:34,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 13:20:34,854 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 624 flow [2021-06-11 13:20:34,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:34,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:34,854 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:35,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:35,078 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:35,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:35,078 INFO L82 PathProgramCache]: Analyzing trace with hash 48178490, now seen corresponding path program 5 times [2021-06-11 13:20:35,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:35,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648984031] [2021-06-11 13:20:35,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:35,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:35,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:35,150 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-06-11 13:20:35,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:35,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:35,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,192 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 13:20:35,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648984031] [2021-06-11 13:20:35,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241791735] [2021-06-11 13:20:35,193 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 13:20:35,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:20:35,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:35,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-11 13:20:35,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:35,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:35,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:35,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:35,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:35,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:35,270 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 13:20:35,270 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 13:20:35,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:35,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:35,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:35,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:20:35,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:35,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:20:35,297 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-11 13:20:35,298 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:35,299 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:35,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:20:35,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:20:35,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-11 13:20:35,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:20:35,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-11 13:20:35,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:20:35,359 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-06-11 13:20:35,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,364 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:35,364 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:35,365 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,368 INFO L147 QuantifierPusher]: treesize reduction 40, result has 57.0 percent of original size 53 [2021-06-11 13:20:35,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,370 INFO L142 QuantifierPusher]: treesize reduction 40, result has 63.0 percent of original size [2021-06-11 13:20:35,370 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:35,372 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,373 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.3 percent of original size [2021-06-11 13:20:35,380 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:35,381 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,382 INFO L142 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-06-11 13:20:35,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:35,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 13:20:35,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 13:20:35,387 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:35,389 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,391 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:35,392 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:35,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:35,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 13:20:35,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 13:20:35,438 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 13:20:35,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:35,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:35,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:35,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,444 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:35,445 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:35,446 INFO L142 QuantifierPusher]: treesize reduction 21, result has 34.4 percent of original size [2021-06-11 13:20:35,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:35,453 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 13:20:35,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:35,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:20:35,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944537928] [2021-06-11 13:20:35,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:20:35,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:35,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:20:35,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:20:35,454 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:35,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 624 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:35,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:35,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:35,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:35,669 INFO L129 PetriNetUnfolder]: 68/202 cut-off events. [2021-06-11 13:20:35,669 INFO L130 PetriNetUnfolder]: For 1256/1258 co-relation queries the response was YES. [2021-06-11 13:20:35,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 202 events. 68/202 cut-off events. For 1256/1258 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1068 event pairs, 1 based on Foata normal form. 11/212 useless extension candidates. Maximal degree in co-relation 985. Up to 99 conditions per place. [2021-06-11 13:20:35,672 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 58 selfloop transitions, 45 changer transitions 16/123 dead transitions. [2021-06-11 13:20:35,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 123 transitions, 1419 flow [2021-06-11 13:20:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 13:20:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 13:20:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 156 transitions. [2021-06-11 13:20:35,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-06-11 13:20:35,674 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 156 transitions. [2021-06-11 13:20:35,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 156 transitions. [2021-06-11 13:20:35,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:35,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 156 transitions. [2021-06-11 13:20:35,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.0) internal successors, (156), 12 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 13:20:35,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:35,676 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:35,676 INFO L185 Difference]: Start difference. First operand has 61 places, 68 transitions, 624 flow. Second operand 12 states and 156 transitions. [2021-06-11 13:20:35,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 123 transitions, 1419 flow [2021-06-11 13:20:35,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 123 transitions, 1301 flow, removed 51 selfloop flow, removed 2 redundant places. [2021-06-11 13:20:35,688 INFO L241 Difference]: Finished difference. Result has 75 places, 99 transitions, 1030 flow [2021-06-11 13:20:35,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1030, PETRI_PLACES=75, PETRI_TRANSITIONS=99} [2021-06-11 13:20:35,689 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 60 predicate places. [2021-06-11 13:20:35,689 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:35,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 99 transitions, 1030 flow [2021-06-11 13:20:35,689 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 99 transitions, 1030 flow [2021-06-11 13:20:35,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 99 transitions, 1030 flow [2021-06-11 13:20:35,708 INFO L129 PetriNetUnfolder]: 62/185 cut-off events. [2021-06-11 13:20:35,708 INFO L130 PetriNetUnfolder]: For 1118/1120 co-relation queries the response was YES. [2021-06-11 13:20:35,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 185 events. 62/185 cut-off events. For 1118/1120 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 969 event pairs, 2 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 878. Up to 56 conditions per place. [2021-06-11 13:20:35,711 INFO L151 LiptonReduction]: Number of co-enabled transitions 76 [2021-06-11 13:20:35,724 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:35,725 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:35,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-06-11 13:20:35,725 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 99 transitions, 1030 flow [2021-06-11 13:20:35,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:35,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:35,726 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:35,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-11 13:20:35,941 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:35,941 INFO L82 PathProgramCache]: Analyzing trace with hash 81332146, now seen corresponding path program 6 times [2021-06-11 13:20:35,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:35,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264489499] [2021-06-11 13:20:35,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:35,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:35,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:36,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:36,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:36,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:36,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264489499] [2021-06-11 13:20:36,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330022178] [2021-06-11 13:20:36,022 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 13:20:36,045 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:20:36,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:36,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-11 13:20:36,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:36,073 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-06-11 13:20:36,074 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 13:20:36,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:36,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:36,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:36,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:36,108 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-06-11 13:20:36,110 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:36,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:36,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:36,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:36,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 13:20:36,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-11 13:20:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 13:20:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-06-11 13:20:36,174 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-06-11 13:20:36,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,180 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:36,180 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:36,181 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,186 INFO L147 QuantifierPusher]: treesize reduction 43, result has 48.2 percent of original size 40 [2021-06-11 13:20:36,187 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:36,188 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,192 INFO L142 QuantifierPusher]: treesize reduction 120, result has 35.5 percent of original size [2021-06-11 13:20:36,193 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:36,194 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 13:20:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:20:36,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:20:36,264 INFO L142 QuantifierPusher]: treesize reduction 37, result has 2.6 percent of original size [2021-06-11 13:20:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:20:36,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:36,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-06-11 13:20:36,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413171470] [2021-06-11 13:20:36,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 13:20:36,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:36,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 13:20:36,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-06-11 13:20:36,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:36,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 99 transitions, 1030 flow. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 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 13:20:36,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:36,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:36,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:36,578 INFO L129 PetriNetUnfolder]: 80/250 cut-off events. [2021-06-11 13:20:36,578 INFO L130 PetriNetUnfolder]: For 2248/2250 co-relation queries the response was YES. [2021-06-11 13:20:36,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1505 conditions, 250 events. 80/250 cut-off events. For 2248/2250 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1416 event pairs, 0 based on Foata normal form. 12/262 useless extension candidates. Maximal degree in co-relation 1422. Up to 71 conditions per place. [2021-06-11 13:20:36,581 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 53 selfloop transitions, 89 changer transitions 16/162 dead transitions. [2021-06-11 13:20:36,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 162 transitions, 2276 flow [2021-06-11 13:20:36,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:20:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:20:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 243 transitions. [2021-06-11 13:20:36,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.421875 [2021-06-11 13:20:36,583 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 243 transitions. [2021-06-11 13:20:36,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 243 transitions. [2021-06-11 13:20:36,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:36,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 243 transitions. [2021-06-11 13:20:36,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 13.5) internal successors, (243), 18 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:36,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 32.0) internal successors, (608), 19 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:36,586 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 32.0) internal successors, (608), 19 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:36,586 INFO L185 Difference]: Start difference. First operand has 74 places, 99 transitions, 1030 flow. Second operand 18 states and 243 transitions. [2021-06-11 13:20:36,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 162 transitions, 2276 flow [2021-06-11 13:20:36,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 162 transitions, 2107 flow, removed 75 selfloop flow, removed 6 redundant places. [2021-06-11 13:20:36,602 INFO L241 Difference]: Finished difference. Result has 91 places, 130 transitions, 1666 flow [2021-06-11 13:20:36,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1666, PETRI_PLACES=91, PETRI_TRANSITIONS=130} [2021-06-11 13:20:36,603 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 76 predicate places. [2021-06-11 13:20:36,603 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:36,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 130 transitions, 1666 flow [2021-06-11 13:20:36,603 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 130 transitions, 1666 flow [2021-06-11 13:20:36,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 130 transitions, 1666 flow [2021-06-11 13:20:36,631 INFO L129 PetriNetUnfolder]: 75/225 cut-off events. [2021-06-11 13:20:36,631 INFO L130 PetriNetUnfolder]: For 2038/2038 co-relation queries the response was YES. [2021-06-11 13:20:36,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 225 events. 75/225 cut-off events. For 2038/2038 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1229 event pairs, 1 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 1322. Up to 63 conditions per place. [2021-06-11 13:20:36,635 INFO L151 LiptonReduction]: Number of co-enabled transitions 78 [2021-06-11 13:20:36,657 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:36,657 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:36,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-06-11 13:20:36,658 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 130 transitions, 1666 flow [2021-06-11 13:20:36,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 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 13:20:36,658 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:36,658 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:36,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:36,881 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:36,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:36,881 INFO L82 PathProgramCache]: Analyzing trace with hash 192154666, now seen corresponding path program 7 times [2021-06-11 13:20:36,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:36,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19721398] [2021-06-11 13:20:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:36,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:36,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:36,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:36,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:36,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:36,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:36,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19721398] [2021-06-11 13:20:36,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306688580] [2021-06-11 13:20:36,952 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 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 13:20:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:36,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-11 13:20:36,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:36,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:36,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:36,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:36,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:36,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:36,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:36,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:36,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:36,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:37,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:37,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:37,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:37,032 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.1 percent of original size [2021-06-11 13:20:37,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,034 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:37,036 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:37,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:37,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,042 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:37,044 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:37,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:37,049 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:37,050 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,051 INFO L142 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size [2021-06-11 13:20:37,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:37,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:37,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:37,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:37,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:37,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:37,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:37,087 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-06-11 13:20:37,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:37,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:37,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:37,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:37,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:37,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:37,123 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:20:37,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:37,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:37,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:37,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:20:37,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687522395] [2021-06-11 13:20:37,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:20:37,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:37,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:20:37,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:20:37,133 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:37,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 130 transitions, 1666 flow. Second operand has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:37,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:37,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:37,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:37,377 INFO L129 PetriNetUnfolder]: 79/237 cut-off events. [2021-06-11 13:20:37,378 INFO L130 PetriNetUnfolder]: For 2850/2850 co-relation queries the response was YES. [2021-06-11 13:20:37,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 237 events. 79/237 cut-off events. For 2850/2850 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1320 event pairs, 1 based on Foata normal form. 11/248 useless extension candidates. Maximal degree in co-relation 1593. Up to 67 conditions per place. [2021-06-11 13:20:37,381 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 57 selfloop transitions, 88 changer transitions 4/153 dead transitions. [2021-06-11 13:20:37,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 153 transitions, 2297 flow [2021-06-11 13:20:37,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:20:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:20:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 174 transitions. [2021-06-11 13:20:37,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4182692307692308 [2021-06-11 13:20:37,382 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 174 transitions. [2021-06-11 13:20:37,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 174 transitions. [2021-06-11 13:20:37,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:37,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 174 transitions. [2021-06-11 13:20:37,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.384615384615385) internal successors, (174), 13 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 13:20:37,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:37,384 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:37,384 INFO L185 Difference]: Start difference. First operand has 86 places, 130 transitions, 1666 flow. Second operand 13 states and 174 transitions. [2021-06-11 13:20:37,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 153 transitions, 2297 flow [2021-06-11 13:20:37,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 153 transitions, 1997 flow, removed 136 selfloop flow, removed 6 redundant places. [2021-06-11 13:20:37,406 INFO L241 Difference]: Finished difference. Result has 99 places, 135 transitions, 1784 flow [2021-06-11 13:20:37,406 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1355, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1784, PETRI_PLACES=99, PETRI_TRANSITIONS=135} [2021-06-11 13:20:37,407 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 84 predicate places. [2021-06-11 13:20:37,407 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:37,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 135 transitions, 1784 flow [2021-06-11 13:20:37,407 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 135 transitions, 1784 flow [2021-06-11 13:20:37,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 135 transitions, 1784 flow [2021-06-11 13:20:37,434 INFO L129 PetriNetUnfolder]: 76/235 cut-off events. [2021-06-11 13:20:37,434 INFO L130 PetriNetUnfolder]: For 3024/3024 co-relation queries the response was YES. [2021-06-11 13:20:37,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 235 events. 76/235 cut-off events. For 3024/3024 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1342 event pairs, 1 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 1375. Up to 56 conditions per place. [2021-06-11 13:20:37,437 INFO L151 LiptonReduction]: Number of co-enabled transitions 86 [2021-06-11 13:20:37,460 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:37,461 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:37,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-06-11 13:20:37,461 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 135 transitions, 1784 flow [2021-06-11 13:20:37,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:37,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:37,462 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:37,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-11 13:20:37,685 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:37,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:37,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1909903726, now seen corresponding path program 8 times [2021-06-11 13:20:37,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:37,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773595250] [2021-06-11 13:20:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:37,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:37,742 INFO L142 QuantifierPusher]: treesize reduction 21, result has 51.2 percent of original size [2021-06-11 13:20:37,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:37,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:37,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 13:20:37,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:37,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:37,799 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 13:20:37,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773595250] [2021-06-11 13:20:37,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041697440] [2021-06-11 13:20:37,800 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) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:37,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:20:37,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:37,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-11 13:20:37,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:37,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:37,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:37,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:37,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:37,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:37,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:37,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:37,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:37,878 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-06-11 13:20:37,878 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:37,879 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:37,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:37,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:37,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:37,929 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size 40 [2021-06-11 13:20:37,930 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size [2021-06-11 13:20:37,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:37,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:37,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:37,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:37,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 13:20:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:37,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 13:20:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:37,973 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-06-11 13:20:37,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,976 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:37,976 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:37,977 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,980 INFO L147 QuantifierPusher]: treesize reduction 30, result has 66.3 percent of original size 59 [2021-06-11 13:20:37,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,981 INFO L142 QuantifierPusher]: treesize reduction 30, result has 70.6 percent of original size [2021-06-11 13:20:37,981 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:37,982 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,983 INFO L142 QuantifierPusher]: treesize reduction 51, result has 61.4 percent of original size [2021-06-11 13:20:37,987 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:37,988 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:37,990 INFO L142 QuantifierPusher]: treesize reduction 34, result has 52.1 percent of original size [2021-06-11 13:20:37,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:20:37,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-06-11 13:20:37,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-06-11 13:20:37,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:37,999 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:37,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,001 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-06-11 13:20:38,012 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 13:20:38,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 13:20:38,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 13:20:38,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 13:20:38,067 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:38,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:38,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:38,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:38,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,072 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:38,073 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,074 INFO L142 QuantifierPusher]: treesize reduction 19, result has 36.7 percent of original size [2021-06-11 13:20:38,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:38,083 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 13:20:38,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:38,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 13:20:38,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188913956] [2021-06-11 13:20:38,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 13:20:38,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:38,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 13:20:38,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-11 13:20:38,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:38,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 135 transitions, 1784 flow. Second operand has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 13 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:38,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:38,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:38,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:38,516 INFO L129 PetriNetUnfolder]: 104/335 cut-off events. [2021-06-11 13:20:38,516 INFO L130 PetriNetUnfolder]: For 4878/4880 co-relation queries the response was YES. [2021-06-11 13:20:38,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2391 conditions, 335 events. 104/335 cut-off events. For 4878/4880 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2048 event pairs, 1 based on Foata normal form. 12/347 useless extension candidates. Maximal degree in co-relation 2247. Up to 166 conditions per place. [2021-06-11 13:20:38,520 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 101 selfloop transitions, 79 changer transitions 25/209 dead transitions. [2021-06-11 13:20:38,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 209 transitions, 3180 flow [2021-06-11 13:20:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 13:20:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 13:20:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 177 transitions. [2021-06-11 13:20:38,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3950892857142857 [2021-06-11 13:20:38,521 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 177 transitions. [2021-06-11 13:20:38,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 177 transitions. [2021-06-11 13:20:38,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:38,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 177 transitions. [2021-06-11 13:20:38,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 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 13:20:38,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:38,523 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:38,523 INFO L185 Difference]: Start difference. First operand has 99 places, 135 transitions, 1784 flow. Second operand 14 states and 177 transitions. [2021-06-11 13:20:38,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 209 transitions, 3180 flow [2021-06-11 13:20:38,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 209 transitions, 3056 flow, removed 22 selfloop flow, removed 7 redundant places. [2021-06-11 13:20:38,559 INFO L241 Difference]: Finished difference. Result has 112 places, 171 transitions, 2477 flow [2021-06-11 13:20:38,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1691, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2477, PETRI_PLACES=112, PETRI_TRANSITIONS=171} [2021-06-11 13:20:38,560 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 97 predicate places. [2021-06-11 13:20:38,560 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:38,560 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 171 transitions, 2477 flow [2021-06-11 13:20:38,560 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 171 transitions, 2477 flow [2021-06-11 13:20:38,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 171 transitions, 2477 flow [2021-06-11 13:20:38,598 INFO L129 PetriNetUnfolder]: 97/298 cut-off events. [2021-06-11 13:20:38,598 INFO L130 PetriNetUnfolder]: For 3556/3556 co-relation queries the response was YES. [2021-06-11 13:20:38,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1990 conditions, 298 events. 97/298 cut-off events. For 3556/3556 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1714 event pairs, 1 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 1903. Up to 72 conditions per place. [2021-06-11 13:20:38,602 INFO L151 LiptonReduction]: Number of co-enabled transitions 100 [2021-06-11 13:20:38,625 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:38,625 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:38,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-06-11 13:20:38,626 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 171 transitions, 2477 flow [2021-06-11 13:20:38,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.076923076923077) internal successors, (144), 13 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:38,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:38,626 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:38,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-11 13:20:38,849 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:38,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:38,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1659130064, now seen corresponding path program 9 times [2021-06-11 13:20:38,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:38,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326353533] [2021-06-11 13:20:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:38,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:38,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:38,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:38,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:38,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:38,894 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 13:20:38,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326353533] [2021-06-11 13:20:38,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448227839] [2021-06-11 13:20:38,894 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 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 13:20:38,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:20:38,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:38,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 13:20:38,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:38,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:38,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:38,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:38,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:38,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:38,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:38,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:38,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:38,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:38,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:38,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-06-11 13:20:38,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,001 INFO L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-06-11 13:20:39,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,002 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:39,003 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:39,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:39,006 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:39,008 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,009 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-06-11 13:20:39,012 INFO L147 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size 3 [2021-06-11 13:20:39,012 INFO L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-06-11 13:20:39,013 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 13:20:39,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:39,027 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:39,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,029 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:39,030 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:39,031 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:20:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:20:39,053 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:20:39,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:39,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,063 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 13:20:39,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:39,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 13:20:39,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069056803] [2021-06-11 13:20:39,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:20:39,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:39,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:20:39,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:20:39,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 32 [2021-06-11 13:20:39,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 171 transitions, 2477 flow. Second operand has 14 states, 14 states have (on average 14.142857142857142) internal successors, (198), 14 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 13:20:39,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:39,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 32 [2021-06-11 13:20:39,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:39,421 INFO L129 PetriNetUnfolder]: 137/418 cut-off events. [2021-06-11 13:20:39,422 INFO L130 PetriNetUnfolder]: For 9066/9066 co-relation queries the response was YES. [2021-06-11 13:20:39,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3066 conditions, 418 events. 137/418 cut-off events. For 9066/9066 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2649 event pairs, 2 based on Foata normal form. 25/443 useless extension candidates. Maximal degree in co-relation 2958. Up to 134 conditions per place. [2021-06-11 13:20:39,426 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 115 selfloop transitions, 131 changer transitions 2/253 dead transitions. [2021-06-11 13:20:39,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 253 transitions, 4099 flow [2021-06-11 13:20:39,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:20:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:20:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 327 transitions. [2021-06-11 13:20:39,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5109375 [2021-06-11 13:20:39,428 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 327 transitions. [2021-06-11 13:20:39,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 327 transitions. [2021-06-11 13:20:39,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:39,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 327 transitions. [2021-06-11 13:20:39,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 16.35) internal successors, (327), 20 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 13:20:39,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:39,432 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:39,433 INFO L185 Difference]: Start difference. First operand has 109 places, 171 transitions, 2477 flow. Second operand 20 states and 327 transitions. [2021-06-11 13:20:39,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 253 transitions, 4099 flow [2021-06-11 13:20:39,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 253 transitions, 3996 flow, removed 41 selfloop flow, removed 7 redundant places. [2021-06-11 13:20:39,463 INFO L241 Difference]: Finished difference. Result has 132 places, 233 transitions, 3747 flow [2021-06-11 13:20:39,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=2384, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3747, PETRI_PLACES=132, PETRI_TRANSITIONS=233} [2021-06-11 13:20:39,464 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 117 predicate places. [2021-06-11 13:20:39,464 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:39,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 233 transitions, 3747 flow [2021-06-11 13:20:39,464 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 233 transitions, 3747 flow [2021-06-11 13:20:39,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 233 transitions, 3747 flow [2021-06-11 13:20:39,517 INFO L129 PetriNetUnfolder]: 137/420 cut-off events. [2021-06-11 13:20:39,517 INFO L130 PetriNetUnfolder]: For 7723/7723 co-relation queries the response was YES. [2021-06-11 13:20:39,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3083 conditions, 420 events. 137/420 cut-off events. For 7723/7723 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2732 event pairs, 2 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 2915. Up to 113 conditions per place. [2021-06-11 13:20:39,523 INFO L151 LiptonReduction]: Number of co-enabled transitions 152 [2021-06-11 13:20:39,538 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:39,538 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:39,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-06-11 13:20:39,539 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 233 transitions, 3747 flow [2021-06-11 13:20:39,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 14.142857142857142) internal successors, (198), 14 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 13:20:39,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:39,539 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:39,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-06-11 13:20:39,753 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:39,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:39,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1038577904, now seen corresponding path program 10 times [2021-06-11 13:20:39,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:39,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114803827] [2021-06-11 13:20:39,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:39,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:39,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:39,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,799 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 13:20:39,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114803827] [2021-06-11 13:20:39,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121056852] [2021-06-11 13:20:39,799 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 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 13:20:39,831 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:20:39,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:39,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-11 13:20:39,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:39,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:39,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:39,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:39,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:39,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:39,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:39,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:39,887 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:39,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,889 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:39,889 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:39,890 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,892 INFO L147 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size 3 [2021-06-11 13:20:39,892 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-06-11 13:20:39,893 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 13:20:39,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:39,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:39,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:39,909 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 13:20:39,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,911 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:39,911 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:39,912 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:39,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:39,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:39,938 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:20:39,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:39,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:39,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:39,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:39,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:39,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:39,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:39,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:39,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:39,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:39,962 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 13:20:39,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:39,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-06-11 13:20:39,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10264450] [2021-06-11 13:20:39,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 13:20:39,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:39,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 13:20:39,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-06-11 13:20:39,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 32 [2021-06-11 13:20:39,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 233 transitions, 3747 flow. Second operand has 12 states, 12 states have (on average 14.25) internal successors, (171), 12 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 13:20:39,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:39,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 32 [2021-06-11 13:20:39,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:40,358 INFO L129 PetriNetUnfolder]: 149/443 cut-off events. [2021-06-11 13:20:40,358 INFO L130 PetriNetUnfolder]: For 8060/8062 co-relation queries the response was YES. [2021-06-11 13:20:40,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3648 conditions, 443 events. 149/443 cut-off events. For 8060/8062 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2839 event pairs, 0 based on Foata normal form. 4/447 useless extension candidates. Maximal degree in co-relation 3483. Up to 120 conditions per place. [2021-06-11 13:20:40,364 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 90 selfloop transitions, 183 changer transitions 7/285 dead transitions. [2021-06-11 13:20:40,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 285 transitions, 5385 flow [2021-06-11 13:20:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:20:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:20:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 366 transitions. [2021-06-11 13:20:40,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4765625 [2021-06-11 13:20:40,367 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 366 transitions. [2021-06-11 13:20:40,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 366 transitions. [2021-06-11 13:20:40,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:40,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 366 transitions. [2021-06-11 13:20:40,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 15.25) internal successors, (366), 24 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:40,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:40,371 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:40,371 INFO L185 Difference]: Start difference. First operand has 132 places, 233 transitions, 3747 flow. Second operand 24 states and 366 transitions. [2021-06-11 13:20:40,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 285 transitions, 5385 flow [2021-06-11 13:20:40,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 285 transitions, 4931 flow, removed 224 selfloop flow, removed 2 redundant places. [2021-06-11 13:20:40,427 INFO L241 Difference]: Finished difference. Result has 156 places, 271 transitions, 4501 flow [2021-06-11 13:20:40,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=3458, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=4501, PETRI_PLACES=156, PETRI_TRANSITIONS=271} [2021-06-11 13:20:40,428 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 141 predicate places. [2021-06-11 13:20:40,428 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:40,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 271 transitions, 4501 flow [2021-06-11 13:20:40,428 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 271 transitions, 4501 flow [2021-06-11 13:20:40,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 271 transitions, 4501 flow [2021-06-11 13:20:40,485 INFO L129 PetriNetUnfolder]: 148/441 cut-off events. [2021-06-11 13:20:40,485 INFO L130 PetriNetUnfolder]: For 7955/7955 co-relation queries the response was YES. [2021-06-11 13:20:40,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3328 conditions, 441 events. 148/441 cut-off events. For 7955/7955 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2851 event pairs, 1 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 3173. Up to 114 conditions per place. [2021-06-11 13:20:40,491 INFO L151 LiptonReduction]: Number of co-enabled transitions 176 [2021-06-11 13:20:40,511 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:40,511 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:40,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 83 [2021-06-11 13:20:40,513 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 271 transitions, 4501 flow [2021-06-11 13:20:40,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 12 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 13:20:40,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:40,513 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:40,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:40,729 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:40,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:40,729 INFO L82 PathProgramCache]: Analyzing trace with hash 503867274, now seen corresponding path program 11 times [2021-06-11 13:20:40,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:40,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044397425] [2021-06-11 13:20:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:40,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:40,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:40,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:40,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:40,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:40,839 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-06-11 13:20:40,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:40,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:40,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:40,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044397425] [2021-06-11 13:20:40,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405261087] [2021-06-11 13:20:40,880 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 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 13:20:40,903 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 13:20:40,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:40,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:20:40,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:40,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:40,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:40,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:40,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:40,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:40,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:40,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:40,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:40,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:40,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:40,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:40,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:40,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:20:40,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:40,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:20:40,967 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-06-11 13:20:40,967 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:40,968 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:40,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:40,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:40,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:40,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:41,031 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.9 percent of original size 48 [2021-06-11 13:20:41,032 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-06-11 13:20:41,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:20:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:41,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:41,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:41,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:41,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:41,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 13:20:41,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:41,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 13:20:41,084 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.0 percent of original size [2021-06-11 13:20:41,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,088 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:41,088 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:41,089 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,096 INFO L147 QuantifierPusher]: treesize reduction 40, result has 61.9 percent of original size 65 [2021-06-11 13:20:41,096 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,097 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,099 INFO L142 QuantifierPusher]: treesize reduction 137, result has 39.4 percent of original size [2021-06-11 13:20:41,099 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,100 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,101 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,102 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:41,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 13:20:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:20:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 13:20:41,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 13:20:41,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:41,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:41,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:41,164 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.6 percent of original size [2021-06-11 13:20:41,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,167 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,172 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,177 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size 66 [2021-06-11 13:20:41,178 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size 66 [2021-06-11 13:20:41,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,179 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 13:20:41,180 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,180 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,182 INFO L142 QuantifierPusher]: treesize reduction 54, result has 64.2 percent of original size [2021-06-11 13:20:41,183 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,184 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:41,198 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2021-06-11 13:20:41,198 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,199 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-11 13:20:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-06-11 13:20:41,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,202 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,209 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:41,209 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:20:41,212 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:41,213 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:20:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 13:20:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-11 13:20:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-11 13:20:41,274 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:41,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:41,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:41,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:41,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,279 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:41,280 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:41,280 INFO L142 QuantifierPusher]: treesize reduction 19, result has 36.7 percent of original size [2021-06-11 13:20:41,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:41,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:41,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 13:20:41,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192202790] [2021-06-11 13:20:41,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 13:20:41,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:41,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 13:20:41,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-06-11 13:20:41,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:41,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 271 transitions, 4501 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:41,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:41,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:41,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:42,090 INFO L129 PetriNetUnfolder]: 221/663 cut-off events. [2021-06-11 13:20:42,091 INFO L130 PetriNetUnfolder]: For 17696/17696 co-relation queries the response was YES. [2021-06-11 13:20:42,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5736 conditions, 663 events. 221/663 cut-off events. For 17696/17696 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 4838 event pairs, 1 based on Foata normal form. 18/681 useless extension candidates. Maximal degree in co-relation 5505. Up to 357 conditions per place. [2021-06-11 13:20:42,103 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 239 selfloop transitions, 167 changer transitions 25/435 dead transitions. [2021-06-11 13:20:42,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 435 transitions, 8260 flow [2021-06-11 13:20:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-11 13:20:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-06-11 13:20:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 261 transitions. [2021-06-11 13:20:42,104 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4078125 [2021-06-11 13:20:42,104 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 261 transitions. [2021-06-11 13:20:42,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 261 transitions. [2021-06-11 13:20:42,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:42,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 261 transitions. [2021-06-11 13:20:42,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 13.05) internal successors, (261), 20 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 13:20:42,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:42,106 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:42,106 INFO L185 Difference]: Start difference. First operand has 155 places, 271 transitions, 4501 flow. Second operand 20 states and 261 transitions. [2021-06-11 13:20:42,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 435 transitions, 8260 flow [2021-06-11 13:20:42,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 435 transitions, 7552 flow, removed 240 selfloop flow, removed 8 redundant places. [2021-06-11 13:20:42,213 INFO L241 Difference]: Finished difference. Result has 175 places, 389 transitions, 6700 flow [2021-06-11 13:20:42,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=4128, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=6700, PETRI_PLACES=175, PETRI_TRANSITIONS=389} [2021-06-11 13:20:42,214 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 160 predicate places. [2021-06-11 13:20:42,214 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:42,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 389 transitions, 6700 flow [2021-06-11 13:20:42,215 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 389 transitions, 6700 flow [2021-06-11 13:20:42,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 389 transitions, 6700 flow [2021-06-11 13:20:42,306 INFO L129 PetriNetUnfolder]: 215/647 cut-off events. [2021-06-11 13:20:42,307 INFO L130 PetriNetUnfolder]: For 15725/15725 co-relation queries the response was YES. [2021-06-11 13:20:42,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5182 conditions, 647 events. 215/647 cut-off events. For 15725/15725 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 4790 event pairs, 1 based on Foata normal form. 0/647 useless extension candidates. Maximal degree in co-relation 5059. Up to 162 conditions per place. [2021-06-11 13:20:42,325 INFO L151 LiptonReduction]: Number of co-enabled transitions 270 [2021-06-11 13:20:42,362 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:42,362 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:42,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-06-11 13:20:42,363 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 389 transitions, 6700 flow [2021-06-11 13:20:42,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:42,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:42,363 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:42,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-06-11 13:20:42,577 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:42,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:42,577 INFO L82 PathProgramCache]: Analyzing trace with hash -104669960, now seen corresponding path program 12 times [2021-06-11 13:20:42,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:42,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590878900] [2021-06-11 13:20:42,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:42,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:42,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:42,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:42,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:42,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:42,647 INFO L142 QuantifierPusher]: treesize reduction 25, result has 52.8 percent of original size [2021-06-11 13:20:42,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:42,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:42,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:42,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590878900] [2021-06-11 13:20:42,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828426075] [2021-06-11 13:20:42,689 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:20:42,720 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 13:20:42,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:42,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:20:42,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:42,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:42,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:42,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:42,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:42,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:42,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:42,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:42,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:42,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:42,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:42,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:42,781 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-06-11 13:20:42,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:20:42,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:42,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:42,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:42,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:42,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:20:42,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:20:42,806 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-06-11 13:20:42,807 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,807 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 13:20:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 13:20:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 13:20:42,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 13:20:42,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.0 percent of original size [2021-06-11 13:20:42,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,866 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:42,866 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:42,867 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,868 INFO L147 QuantifierPusher]: treesize reduction 42, result has 60.0 percent of original size 63 [2021-06-11 13:20:42,868 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,869 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,870 INFO L142 QuantifierPusher]: treesize reduction 105, result has 53.5 percent of original size [2021-06-11 13:20:42,870 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,871 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:42,873 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,873 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,875 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,875 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 13:20:42,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-06-11 13:20:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-06-11 13:20:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-06-11 13:20:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:42,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:42,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:42,966 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.6 percent of original size [2021-06-11 13:20:42,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,968 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,969 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,971 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size 66 [2021-06-11 13:20:42,972 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size 66 [2021-06-11 13:20:42,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,972 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 13:20:42,973 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:42,973 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:42,996 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:43,001 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:43,002 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,003 INFO L142 QuantifierPusher]: treesize reduction 56, result has 45.6 percent of original size [2021-06-11 13:20:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 13:20:43,004 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:43,005 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,006 INFO L142 QuantifierPusher]: treesize reduction 24, result has 59.3 percent of original size [2021-06-11 13:20:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-06-11 13:20:43,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-06-11 13:20:43,008 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:43,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,010 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:43,011 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:43,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:43,013 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:20:43,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-06-11 13:20:43,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-06-11 13:20:43,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-06-11 13:20:43,078 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 13:20:43,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:20:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:20:43,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:20:43,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,081 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:43,082 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:43,082 INFO L142 QuantifierPusher]: treesize reduction 25, result has 30.6 percent of original size [2021-06-11 13:20:43,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:43,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:43,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 13:20:43,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196463437] [2021-06-11 13:20:43,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 13:20:43,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:43,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 13:20:43,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-06-11 13:20:43,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:43,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 389 transitions, 6700 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:43,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:43,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:43,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:43,680 INFO L129 PetriNetUnfolder]: 262/804 cut-off events. [2021-06-11 13:20:43,680 INFO L130 PetriNetUnfolder]: For 27661/27663 co-relation queries the response was YES. [2021-06-11 13:20:43,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7413 conditions, 804 events. 262/804 cut-off events. For 27661/27663 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6206 event pairs, 3 based on Foata normal form. 15/819 useless extension candidates. Maximal degree in co-relation 7253. Up to 487 conditions per place. [2021-06-11 13:20:43,691 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 334 selfloop transitions, 132 changer transitions 26/496 dead transitions. [2021-06-11 13:20:43,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 496 transitions, 9666 flow [2021-06-11 13:20:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 13:20:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 13:20:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 223 transitions. [2021-06-11 13:20:43,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4099264705882353 [2021-06-11 13:20:43,692 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 223 transitions. [2021-06-11 13:20:43,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 223 transitions. [2021-06-11 13:20:43,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:43,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 223 transitions. [2021-06-11 13:20:43,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 13.117647058823529) internal successors, (223), 17 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 13:20:43,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:43,694 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:43,694 INFO L185 Difference]: Start difference. First operand has 174 places, 389 transitions, 6700 flow. Second operand 17 states and 223 transitions. [2021-06-11 13:20:43,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 496 transitions, 9666 flow [2021-06-11 13:20:43,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 496 transitions, 9242 flow, removed 199 selfloop flow, removed 5 redundant places. [2021-06-11 13:20:43,826 INFO L241 Difference]: Finished difference. Result has 194 places, 446 transitions, 7893 flow [2021-06-11 13:20:43,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=6334, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7893, PETRI_PLACES=194, PETRI_TRANSITIONS=446} [2021-06-11 13:20:43,826 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 179 predicate places. [2021-06-11 13:20:43,826 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:43,827 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 446 transitions, 7893 flow [2021-06-11 13:20:43,827 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 446 transitions, 7893 flow [2021-06-11 13:20:43,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 446 transitions, 7893 flow [2021-06-11 13:20:43,931 INFO L129 PetriNetUnfolder]: 254/781 cut-off events. [2021-06-11 13:20:43,931 INFO L130 PetriNetUnfolder]: For 22064/22064 co-relation queries the response was YES. [2021-06-11 13:20:43,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6635 conditions, 781 events. 254/781 cut-off events. For 22064/22064 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6116 event pairs, 4 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 6451. Up to 200 conditions per place. [2021-06-11 13:20:43,943 INFO L151 LiptonReduction]: Number of co-enabled transitions 308 [2021-06-11 13:20:43,984 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:43,984 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:43,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-06-11 13:20:43,985 INFO L480 AbstractCegarLoop]: Abstraction has has 193 places, 446 transitions, 7893 flow [2021-06-11 13:20:43,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:43,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:43,985 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:44,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-06-11 13:20:44,201 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:44,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:44,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2037914934, now seen corresponding path program 13 times [2021-06-11 13:20:44,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:44,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930501291] [2021-06-11 13:20:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:44,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:44,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:44,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:44,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:44,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:44,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:44,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:44,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930501291] [2021-06-11 13:20:44,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054411682] [2021-06-11 13:20:44,288 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 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 13:20:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:44,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-11 13:20:44,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:44,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:44,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:44,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:44,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:44,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:44,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:44,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:20:44,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:44,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:20:44,386 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-11 13:20:44,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,388 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:44,389 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,392 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:44,393 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,394 INFO L142 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-06-11 13:20:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:44,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:44,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:44,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:20:44,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:20:44,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:20:44,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:20:44,435 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-06-11 13:20:44,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,436 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:44,437 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,438 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.0 percent of original size [2021-06-11 13:20:44,438 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:44,439 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:20:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:20:44,443 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:44,443 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,444 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.7 percent of original size [2021-06-11 13:20:44,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,445 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:44,446 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,453 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:44,455 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,456 INFO L142 QuantifierPusher]: treesize reduction 27, result has 49.1 percent of original size [2021-06-11 13:20:44,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:44,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:44,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:44,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:44,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:44,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:44,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:44,500 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-06-11 13:20:44,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:44,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:44,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:44,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:44,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:44,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:44,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:44,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:44,556 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-06-11 13:20:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:44,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:44,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:44,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:44,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:44,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:44,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:44,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 13:20:44,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097965652] [2021-06-11 13:20:44,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 13:20:44,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:44,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 13:20:44,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-06-11 13:20:44,565 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:44,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 446 transitions, 7893 flow. Second operand has 16 states, 16 states have (on average 11.1875) internal successors, (179), 16 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:44,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:44,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:44,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:45,166 INFO L129 PetriNetUnfolder]: 316/987 cut-off events. [2021-06-11 13:20:45,167 INFO L130 PetriNetUnfolder]: For 34055/34057 co-relation queries the response was YES. [2021-06-11 13:20:45,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9224 conditions, 987 events. 316/987 cut-off events. For 34055/34057 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 8041 event pairs, 7 based on Foata normal form. 11/998 useless extension candidates. Maximal degree in co-relation 8927. Up to 270 conditions per place. [2021-06-11 13:20:45,182 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 243 selfloop transitions, 327 changer transitions 12/586 dead transitions. [2021-06-11 13:20:45,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 586 transitions, 11621 flow [2021-06-11 13:20:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 13:20:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 13:20:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 177 transitions. [2021-06-11 13:20:45,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4254807692307692 [2021-06-11 13:20:45,184 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 177 transitions. [2021-06-11 13:20:45,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 177 transitions. [2021-06-11 13:20:45,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:45,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 177 transitions. [2021-06-11 13:20:45,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.615384615384615) internal successors, (177), 13 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 13:20:45,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:45,185 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:45,185 INFO L185 Difference]: Start difference. First operand has 193 places, 446 transitions, 7893 flow. Second operand 13 states and 177 transitions. [2021-06-11 13:20:45,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 586 transitions, 11621 flow [2021-06-11 13:20:45,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 586 transitions, 11308 flow, removed 133 selfloop flow, removed 6 redundant places. [2021-06-11 13:20:45,372 INFO L241 Difference]: Finished difference. Result has 202 places, 518 transitions, 10013 flow [2021-06-11 13:20:45,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=7600, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10013, PETRI_PLACES=202, PETRI_TRANSITIONS=518} [2021-06-11 13:20:45,372 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 187 predicate places. [2021-06-11 13:20:45,373 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:45,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 518 transitions, 10013 flow [2021-06-11 13:20:45,373 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 518 transitions, 10013 flow [2021-06-11 13:20:45,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 518 transitions, 10013 flow [2021-06-11 13:20:45,532 INFO L129 PetriNetUnfolder]: 314/986 cut-off events. [2021-06-11 13:20:45,532 INFO L130 PetriNetUnfolder]: For 31781/31781 co-relation queries the response was YES. [2021-06-11 13:20:45,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8888 conditions, 986 events. 314/986 cut-off events. For 31781/31781 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 8161 event pairs, 7 based on Foata normal form. 0/986 useless extension candidates. Maximal degree in co-relation 8434. Up to 254 conditions per place. [2021-06-11 13:20:45,585 INFO L151 LiptonReduction]: Number of co-enabled transitions 372 [2021-06-11 13:20:45,631 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:45,632 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:45,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-06-11 13:20:45,636 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 518 transitions, 10013 flow [2021-06-11 13:20:45,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.1875) internal successors, (179), 16 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:45,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:45,637 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:45,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-06-11 13:20:45,853 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:45,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:45,853 INFO L82 PathProgramCache]: Analyzing trace with hash -948840742, now seen corresponding path program 14 times [2021-06-11 13:20:45,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:45,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919999522] [2021-06-11 13:20:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:45,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:45,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:45,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:45,903 INFO L142 QuantifierPusher]: treesize reduction 21, result has 55.3 percent of original size [2021-06-11 13:20:45,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:45,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:45,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 13:20:45,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:45,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:45,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919999522] [2021-06-11 13:20:45,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434158959] [2021-06-11 13:20:45,959 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 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 13:20:45,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 13:20:45,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:45,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:20:45,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:45,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:45,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:45,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:45,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:46,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:46,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:46,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:46,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:46,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:46,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:46,016 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-11 13:20:46,016 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-11 13:20:46,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:46,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:46,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:46,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:46,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:20:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 13:20:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 13:20:46,046 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-06-11 13:20:46,046 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,047 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:46,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:46,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:46,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 13:20:46,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:20:46,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 13:20:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-06-11 13:20:46,107 INFO L142 QuantifierPusher]: treesize reduction 4, result has 95.1 percent of original size [2021-06-11 13:20:46,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,109 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:46,109 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:46,110 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,111 INFO L147 QuantifierPusher]: treesize reduction 40, result has 57.0 percent of original size 53 [2021-06-11 13:20:46,112 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,112 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,114 INFO L142 QuantifierPusher]: treesize reduction 101, result has 50.0 percent of original size [2021-06-11 13:20:46,114 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,115 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:46,117 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,118 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,119 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:46,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 13:20:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-06-11 13:20:46,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-06-11 13:20:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-06-11 13:20:46,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:46,172 INFO L147 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size 39 [2021-06-11 13:20:46,173 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-06-11 13:20:46,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:46,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:20:46,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:46,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:46,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:46,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:46,220 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.6 percent of original size [2021-06-11 13:20:46,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,221 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,222 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,224 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size 66 [2021-06-11 13:20:46,225 INFO L147 QuantifierPusher]: treesize reduction 1, result has 98.5 percent of original size 66 [2021-06-11 13:20:46,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,226 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 13:20:46,227 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,228 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,229 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:46,230 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,231 INFO L142 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-06-11 13:20:46,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:46,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,235 INFO L142 QuantifierPusher]: treesize reduction 10, result has 88.2 percent of original size [2021-06-11 13:20:46,236 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:46,237 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,238 INFO L142 QuantifierPusher]: treesize reduction 50, result has 54.1 percent of original size [2021-06-11 13:20:46,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 13:20:46,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 13:20:46,240 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:46,241 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 13:20:46,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 13:20:46,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 13:20:46,245 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,246 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,247 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:46,248 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 13:20:46,250 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:46,251 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 13:20:46,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 13:20:46,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 13:20:46,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 13:20:46,302 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 13:20:46,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:46,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:46,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,306 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:46,307 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:46,307 INFO L142 QuantifierPusher]: treesize reduction 21, result has 34.4 percent of original size [2021-06-11 13:20:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:46,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:46,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 13:20:46,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919176507] [2021-06-11 13:20:46,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 13:20:46,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:46,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 13:20:46,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-06-11 13:20:46,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:46,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 518 transitions, 10013 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:46,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:46,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:46,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:47,413 INFO L129 PetriNetUnfolder]: 370/1186 cut-off events. [2021-06-11 13:20:47,413 INFO L130 PetriNetUnfolder]: For 47308/47308 co-relation queries the response was YES. [2021-06-11 13:20:47,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12020 conditions, 1186 events. 370/1186 cut-off events. For 47308/47308 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 10348 event pairs, 7 based on Foata normal form. 24/1210 useless extension candidates. Maximal degree in co-relation 11493. Up to 585 conditions per place. [2021-06-11 13:20:47,428 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 364 selfloop transitions, 249 changer transitions 39/656 dead transitions. [2021-06-11 13:20:47,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 656 transitions, 14205 flow [2021-06-11 13:20:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 13:20:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 13:20:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 234 transitions. [2021-06-11 13:20:47,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-06-11 13:20:47,430 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 234 transitions. [2021-06-11 13:20:47,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 234 transitions. [2021-06-11 13:20:47,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:47,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 234 transitions. [2021-06-11 13:20:47,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 13.0) internal successors, (234), 18 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 13:20:47,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 32.0) internal successors, (608), 19 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:47,432 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 32.0) internal successors, (608), 19 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:47,432 INFO L185 Difference]: Start difference. First operand has 202 places, 518 transitions, 10013 flow. Second operand 18 states and 234 transitions. [2021-06-11 13:20:47,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 656 transitions, 14205 flow [2021-06-11 13:20:47,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 656 transitions, 13934 flow, removed 124 selfloop flow, removed 4 redundant places. [2021-06-11 13:20:47,677 INFO L241 Difference]: Finished difference. Result has 221 places, 583 transitions, 12181 flow [2021-06-11 13:20:47,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=9827, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=12181, PETRI_PLACES=221, PETRI_TRANSITIONS=583} [2021-06-11 13:20:47,678 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 206 predicate places. [2021-06-11 13:20:47,678 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:47,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 583 transitions, 12181 flow [2021-06-11 13:20:47,678 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 583 transitions, 12181 flow [2021-06-11 13:20:47,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 583 transitions, 12181 flow [2021-06-11 13:20:47,837 INFO L129 PetriNetUnfolder]: 359/1132 cut-off events. [2021-06-11 13:20:47,838 INFO L130 PetriNetUnfolder]: For 46723/46723 co-relation queries the response was YES. [2021-06-11 13:20:47,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11100 conditions, 1132 events. 359/1132 cut-off events. For 46723/46723 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 9745 event pairs, 10 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 10776. Up to 313 conditions per place. [2021-06-11 13:20:47,852 INFO L151 LiptonReduction]: Number of co-enabled transitions 410 [2021-06-11 13:20:47,893 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:47,893 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:47,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-06-11 13:20:47,894 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 583 transitions, 12181 flow [2021-06-11 13:20:47,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:47,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:47,894 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:48,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:48,095 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:48,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:48,095 INFO L82 PathProgramCache]: Analyzing trace with hash 979615996, now seen corresponding path program 15 times [2021-06-11 13:20:48,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:48,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359846631] [2021-06-11 13:20:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:48,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:48,155 INFO L142 QuantifierPusher]: treesize reduction 31, result has 32.6 percent of original size [2021-06-11 13:20:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:48,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 13:20:48,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 13:20:48,196 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 13:20:48,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:48,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 13:20:48,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:48,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:48,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359846631] [2021-06-11 13:20:48,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941614957] [2021-06-11 13:20:48,254 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 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 13:20:48,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 13:20:48,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:48,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-11 13:20:48,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:48,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:48,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:48,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:48,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:48,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:48,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:48,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:48,327 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-06-11 13:20:48,327 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,328 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:48,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:48,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:48,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:48,387 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-06-11 13:20:48,387 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size [2021-06-11 13:20:48,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:48,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:20:48,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:20:48,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 13:20:48,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:48,426 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-06-11 13:20:48,426 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size [2021-06-11 13:20:48,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:48,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 13:20:48,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:48,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:48,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:48,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:48,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 13:20:48,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 13:20:48,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.6 percent of original size [2021-06-11 13:20:48,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,473 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 1] term [2021-06-11 13:20:48,474 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:48,474 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,476 INFO L147 QuantifierPusher]: treesize reduction 36, result has 60.4 percent of original size 55 [2021-06-11 13:20:48,476 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,477 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,478 INFO L142 QuantifierPusher]: treesize reduction 36, result has 68.7 percent of original size [2021-06-11 13:20:48,478 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,479 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:48,482 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,483 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-06-11 13:20:48,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:20:48,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 13:20:48,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 13:20:48,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:20:48,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 13:20:48,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 13:20:48,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.4 percent of original size [2021-06-11 13:20:48,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,577 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,578 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,579 INFO L142 QuantifierPusher]: treesize reduction 17, result has 75.4 percent of original size [2021-06-11 13:20:48,580 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-06-11 13:20:48,581 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-06-11 13:20:48,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.0 percent of original size [2021-06-11 13:20:48,583 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,584 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,584 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.5 percent of original size [2021-06-11 13:20:48,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:20:48,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 13:20:48,587 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,587 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,589 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:48,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:20:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:20:48,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 13:20:48,638 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:48,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:48,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:48,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 13:20:48,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,642 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:48,648 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:48,649 INFO L142 QuantifierPusher]: treesize reduction 19, result has 36.7 percent of original size [2021-06-11 13:20:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:48,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:48,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:48,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 13:20:48,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019160713] [2021-06-11 13:20:48,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 13:20:48,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:48,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 13:20:48,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-06-11 13:20:48,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:48,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 583 transitions, 12181 flow. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:48,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:48,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:48,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:49,919 INFO L129 PetriNetUnfolder]: 503/1592 cut-off events. [2021-06-11 13:20:49,920 INFO L130 PetriNetUnfolder]: For 81966/81966 co-relation queries the response was YES. [2021-06-11 13:20:49,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17445 conditions, 1592 events. 503/1592 cut-off events. For 81966/81966 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 14762 event pairs, 8 based on Foata normal form. 35/1627 useless extension candidates. Maximal degree in co-relation 17053. Up to 672 conditions per place. [2021-06-11 13:20:49,939 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 387 selfloop transitions, 448 changer transitions 43/882 dead transitions. [2021-06-11 13:20:49,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 882 transitions, 20529 flow [2021-06-11 13:20:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-11 13:20:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-06-11 13:20:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 315 transitions. [2021-06-11 13:20:49,940 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41015625 [2021-06-11 13:20:49,940 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 315 transitions. [2021-06-11 13:20:49,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 315 transitions. [2021-06-11 13:20:49,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:49,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 315 transitions. [2021-06-11 13:20:49,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.125) internal successors, (315), 24 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:49,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:49,943 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:49,943 INFO L185 Difference]: Start difference. First operand has 220 places, 583 transitions, 12181 flow. Second operand 24 states and 315 transitions. [2021-06-11 13:20:49,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 882 transitions, 20529 flow [2021-06-11 13:20:50,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 882 transitions, 19996 flow, removed 252 selfloop flow, removed 7 redundant places. [2021-06-11 13:20:50,235 INFO L241 Difference]: Finished difference. Result has 250 places, 808 transitions, 18693 flow [2021-06-11 13:20:50,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=11746, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=18693, PETRI_PLACES=250, PETRI_TRANSITIONS=808} [2021-06-11 13:20:50,235 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 235 predicate places. [2021-06-11 13:20:50,235 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:50,236 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 808 transitions, 18693 flow [2021-06-11 13:20:50,236 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 808 transitions, 18693 flow [2021-06-11 13:20:50,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 808 transitions, 18693 flow [2021-06-11 13:20:50,504 INFO L129 PetriNetUnfolder]: 487/1549 cut-off events. [2021-06-11 13:20:50,504 INFO L130 PetriNetUnfolder]: For 72104/72104 co-relation queries the response was YES. [2021-06-11 13:20:50,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16443 conditions, 1549 events. 487/1549 cut-off events. For 72104/72104 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 14346 event pairs, 16 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 15977. Up to 430 conditions per place. [2021-06-11 13:20:50,526 INFO L151 LiptonReduction]: Number of co-enabled transitions 582 [2021-06-11 13:20:50,623 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:50,623 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:50,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-06-11 13:20:50,624 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 808 transitions, 18693 flow [2021-06-11 13:20:50,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 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 13:20:50,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:50,624 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:50,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:50,829 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:50,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:50,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1526993246, now seen corresponding path program 16 times [2021-06-11 13:20:50,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:50,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650279107] [2021-06-11 13:20:50,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:50,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:50,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:50,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:50,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:50,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:50,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:50,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 13:20:50,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:50,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650279107] [2021-06-11 13:20:50,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663081538] [2021-06-11 13:20:50,879 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 13:20:50,911 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 13:20:50,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:50,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-11 13:20:50,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:50,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:50,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:50,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:50,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:50,947 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-06-11 13:20:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:50,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:50,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:50,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:50,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:50,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:50,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:50,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:50,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:50,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:50,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:50,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:50,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:50,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:50,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:50,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 13:20:50,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 13:20:50,991 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 13:20:50,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:50,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:50,992 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:50,993 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:51,008 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,010 INFO L147 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size 3 [2021-06-11 13:20:51,010 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-06-11 13:20:51,011 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-06-11 13:20:51,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 13:20:51,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:51,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:51,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:51,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 13:20:51,024 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 13:20:51,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,026 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:51,026 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-06-11 13:20:51,027 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 13:20:51,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:51,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 13:20:51,047 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 13:20:51,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 13:20:51,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 13:20:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:51,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:51,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:51,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:51,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:51,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:51,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 13:20:51,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 13:20:51,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 13 [2021-06-11 13:20:51,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127693642] [2021-06-11 13:20:51,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 13:20:51,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 13:20:51,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 13:20:51,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-06-11 13:20:51,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-06-11 13:20:51,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 808 transitions, 18693 flow. Second operand has 14 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:51,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 13:20:51,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-06-11 13:20:51,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 13:20:51,981 INFO L129 PetriNetUnfolder]: 589/1876 cut-off events. [2021-06-11 13:20:51,981 INFO L130 PetriNetUnfolder]: For 103672/103672 co-relation queries the response was YES. [2021-06-11 13:20:51,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22412 conditions, 1876 events. 589/1876 cut-off events. For 103672/103672 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 17845 event pairs, 0 based on Foata normal form. 21/1897 useless extension candidates. Maximal degree in co-relation 21719. Up to 536 conditions per place. [2021-06-11 13:20:52,002 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 326 selfloop transitions, 691 changer transitions 42/1063 dead transitions. [2021-06-11 13:20:52,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 1063 transitions, 29358 flow [2021-06-11 13:20:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-11 13:20:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-06-11 13:20:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 321 transitions. [2021-06-11 13:20:52,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40125 [2021-06-11 13:20:52,004 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 321 transitions. [2021-06-11 13:20:52,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 321 transitions. [2021-06-11 13:20:52,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 13:20:52,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 321 transitions. [2021-06-11 13:20:52,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 12.84) internal successors, (321), 25 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:52,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:52,006 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:52,006 INFO L185 Difference]: Start difference. First operand has 249 places, 808 transitions, 18693 flow. Second operand 25 states and 321 transitions. [2021-06-11 13:20:52,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 1063 transitions, 29358 flow [2021-06-11 13:20:52,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 1063 transitions, 25991 flow, removed 1665 selfloop flow, removed 6 redundant places. [2021-06-11 13:20:52,520 INFO L241 Difference]: Finished difference. Result has 278 places, 972 transitions, 23969 flow [2021-06-11 13:20:52,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=17144, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=23969, PETRI_PLACES=278, PETRI_TRANSITIONS=972} [2021-06-11 13:20:52,521 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 263 predicate places. [2021-06-11 13:20:52,521 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 13:20:52,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 972 transitions, 23969 flow [2021-06-11 13:20:52,522 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 972 transitions, 23969 flow [2021-06-11 13:20:52,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 275 places, 972 transitions, 23969 flow [2021-06-11 13:20:52,901 INFO L129 PetriNetUnfolder]: 580/1811 cut-off events. [2021-06-11 13:20:52,901 INFO L130 PetriNetUnfolder]: For 75220/75220 co-relation queries the response was YES. [2021-06-11 13:20:52,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19840 conditions, 1811 events. 580/1811 cut-off events. For 75220/75220 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 17085 event pairs, 7 based on Foata normal form. 0/1811 useless extension candidates. Maximal degree in co-relation 19230. Up to 534 conditions per place. [2021-06-11 13:20:52,931 INFO L151 LiptonReduction]: Number of co-enabled transitions 690 [2021-06-11 13:20:53,032 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 13:20:53,033 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 13:20:53,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 512 [2021-06-11 13:20:53,033 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 972 transitions, 23969 flow [2021-06-11 13:20:53,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.285714285714286) internal successors, (158), 14 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 13:20:53,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 13:20:53,033 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 13:20:53,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:53,249 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 13:20:53,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 13:20:53,249 INFO L82 PathProgramCache]: Analyzing trace with hash -479542130, now seen corresponding path program 17 times [2021-06-11 13:20:53,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 13:20:53,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069552188] [2021-06-11 13:20:53,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 13:20:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 13:20:53,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 13:20:53,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:53,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:53,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:53,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 13:20:53,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:53,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 13:20:53,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 13:20:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-11 13:20:53,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069552188] [2021-06-11 13:20:53,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232524825] [2021-06-11 13:20:53,299 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 13:20:53,322 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-11 13:20:53,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 13:20:53,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-11 13:20:53,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 13:20:53,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:53,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:53,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 13:20:53,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:53,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 13:20:53,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:53,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 13:20:53,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 13:20:53,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:53,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:53,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:20:53,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:53,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 13:20:53,416 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.7 percent of original size [2021-06-11 13:20:53,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:53,422 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:53,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:53,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,426 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:53,427 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,428 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:53,429 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,430 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-06-11 13:20:53,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 13:20:53,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:53,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:53,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:53,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 13:20:53,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:53,470 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 13:20:53,470 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:53,472 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,474 INFO L147 QuantifierPusher]: treesize reduction 4, result has 55.6 percent of original size 5 [2021-06-11 13:20:53,475 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:53,476 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,477 INFO L147 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size 3 [2021-06-11 13:20:53,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 13:20:53,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,483 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 13:20:53,484 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 13:20:53,511 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:53,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 13:20:53,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:20:53,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 13:20:53,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,565 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:53,617 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:53,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:20:53,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 13:20:53,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,633 INFO L147 QuantifierPusher]: treesize reduction 23, result has 48.9 percent of original size 22 [2021-06-11 13:20:53,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 13:20:53,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,666 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:53,709 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:53,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,718 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size 39 [2021-06-11 13:20:53,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 13:20:53,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:20:53,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:20:53,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,757 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:53,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,771 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size 34 [2021-06-11 13:20:53,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 13:20:53,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:53,776 INFO L147 QuantifierPusher]: treesize reduction -4, result has 107.3 percent of original size 59 [2021-06-11 13:20:53,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:53,777 INFO L142 QuantifierPusher]: treesize reduction -6, result has 105.0 percent of original size [2021-06-11 13:20:53,898 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:54,126 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:54,479 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:54,788 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:55,452 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:55,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:55,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 13:20:55,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:55,759 INFO L147 QuantifierPusher]: treesize reduction -8, result has 111.1 percent of original size 80 [2021-06-11 13:20:55,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:55,769 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size 39 [2021-06-11 13:20:55,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,777 INFO L142 QuantifierPusher]: treesize reduction 79, result has 68.9 percent of original size [2021-06-11 13:20:55,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-06-11 13:20:55,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:55,798 INFO L147 QuantifierPusher]: treesize reduction -270, result has 113.6 percent of original size 2252 [2021-06-11 13:20:55,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,815 INFO L142 QuantifierPusher]: treesize reduction -29, result has 105.7 percent of original size [2021-06-11 13:20:55,843 INFO L147 QuantifierPusher]: treesize reduction 4095, result has 32.4 percent of original size 1965 [2021-06-11 13:20:55,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:55,874 INFO L142 QuantifierPusher]: treesize reduction 717, result has 47.7 percent of original size [2021-06-11 13:20:56,010 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:56,248 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:56,488 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:56,951 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:57,603 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:57,927 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:58,472 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:58,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,830 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.7 percent of original size 38 [2021-06-11 13:20:58,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,834 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-06-11 13:20:58,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 13:20:58,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,841 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 54 [2021-06-11 13:20:58,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,845 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size 39 [2021-06-11 13:20:58,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,848 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-06-11 13:20:58,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 13:20:58,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,855 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.7 percent of original size 38 [2021-06-11 13:20:58,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,858 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size 23 [2021-06-11 13:20:58,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,861 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.7 percent of original size 28 [2021-06-11 13:20:58,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,864 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.5 percent of original size 23 [2021-06-11 13:20:58,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,868 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size 39 [2021-06-11 13:20:58,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,871 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.1 percent of original size 41 [2021-06-11 13:20:58,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,874 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.6 percent of original size 29 [2021-06-11 13:20:58,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,877 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.4 percent of original size 39 [2021-06-11 13:20:58,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 13:20:58,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,882 INFO L147 QuantifierPusher]: treesize reduction -2, result has 107.1 percent of original size 30 [2021-06-11 13:20:58,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,885 INFO L147 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size 17 [2021-06-11 13:20:58,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,888 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size 41 [2021-06-11 13:20:58,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:58,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,918 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:58,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 13:20:58,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,927 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-11 13:20:58,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 13:20:58,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 13:20:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 13:20:59,034 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:59,193 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:59,403 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:20:59,762 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 13:21:00,134 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.