/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 07:52:21,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 07:52:21,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 07:52:21,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 07:52:21,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 07:52:21,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 07:52:21,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 07:52:21,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 07:52:21,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 07:52:21,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 07:52:21,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 07:52:21,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 07:52:21,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 07:52:21,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 07:52:21,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 07:52:21,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 07:52:21,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 07:52:21,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 07:52:21,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 07:52:21,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 07:52:21,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 07:52:21,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 07:52:21,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 07:52:21,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 07:52:21,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 07:52:21,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 07:52:21,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 07:52:21,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 07:52:21,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 07:52:21,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 07:52:21,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 07:52:21,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 07:52:21,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 07:52:21,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 07:52:21,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 07:52:21,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 07:52:21,140 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 07:52:21,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 07:52:21,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 07:52:21,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 07:52:21,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 07:52:21,173 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 07:52:21,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 07:52:21,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 07:52:21,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 07:52:21,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 07:52:21,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 07:52:21,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 07:52:21,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 07:52:21,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 07:52:21,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 07:52:21,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 07:52:21,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 07:52:21,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 07:52:21,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 07:52:21,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 07:52:21,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 07:52:21,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 07:52:21,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 07:52:21,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 07:52:21,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 07:52:21,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 07:52:21,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 07:52:21,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 07:52:21,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 07:52:21,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 07:52:21,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 07:52:21,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 07:52:21,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 07:52:21,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 07:52:21,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 07:52:21,649 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 07:52:21,650 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 07:52:21,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-04-29 07:52:21,652 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-04-29 07:52:21,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 07:52:21,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 07:52:21,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 07:52:21,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 07:52:21,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 07:52:21,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 07:52:21,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 07:52:21,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 07:52:21,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 07:52:21,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/1) ... [2021-04-29 07:52:21,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 07:52:21,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 07:52:21,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 07:52:21,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 07:52:21,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (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 [2021-04-29 07:52:21,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 07:52:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 07:52:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 07:52:21,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 07:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 07:52:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 07:52:21,991 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 07:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 07:52:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 07:52:21,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 07:52:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 07:52:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 07:52:21,994 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 07:52:22,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 07:52:22,281 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 07:52:22,283 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 07:52:22 BoogieIcfgContainer [2021-04-29 07:52:22,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 07:52:22,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 07:52:22,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 07:52:22,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 07:52:22,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:52:21" (1/2) ... [2021-04-29 07:52:22,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0dd78 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 07:52:22, skipping insertion in model container [2021-04-29 07:52:22,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 07:52:22" (2/2) ... [2021-04-29 07:52:22,291 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-04-29 07:52:22,298 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 07:52:22,303 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 07:52:22,304 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 07:52:22,383 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-29 07:52:22,417 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 07:52:22,450 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 07:52:22,450 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 07:52:22,451 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 07:52:22,451 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 07:52:22,451 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 07:52:22,451 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 07:52:22,451 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 07:52:22,451 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 07:52:22,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-04-29 07:52:22,498 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-04-29 07:52:22,498 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:52:22,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 07:52:22,506 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 82 flow [2021-04-29 07:52:22,516 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 31 places, 24 transitions, 66 flow [2021-04-29 07:52:22,521 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:22,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 24 transitions, 66 flow [2021-04-29 07:52:22,548 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 24 transitions, 66 flow [2021-04-29 07:52:22,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 24 transitions, 66 flow [2021-04-29 07:52:22,564 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-04-29 07:52:22,564 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:52:22,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 24 events. 3/24 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 31 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 07:52:22,569 INFO L146 LiptonReduction]: Number of co-enabled transitions 144 [2021-04-29 07:52:23,053 INFO L158 LiptonReduction]: Checked pairs total: 60 [2021-04-29 07:52:23,053 INFO L160 LiptonReduction]: Total number of compositions: 11 [2021-04-29 07:52:23,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-04-29 07:52:23,072 INFO L129 PetriNetUnfolder]: 3/22 cut-off events. [2021-04-29 07:52:23,072 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:52:23,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:23,074 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:23,074 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:23,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:23,081 INFO L82 PathProgramCache]: Analyzing trace with hash -877711022, now seen corresponding path program 1 times [2021-04-29 07:52:23,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:23,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644152833] [2021-04-29 07:52:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:23,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:23,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644152833] [2021-04-29 07:52:23,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 07:52:23,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 07:52:23,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247680530] [2021-04-29 07:52:23,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 07:52:23,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:23,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 07:52:23,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 07:52:23,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 40 [2021-04-29 07:52:23,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:23,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:23,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 40 [2021-04-29 07:52:23,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:23,361 INFO L129 PetriNetUnfolder]: 26/62 cut-off events. [2021-04-29 07:52:23,361 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-29 07:52:23,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 62 events. 26/62 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 155 event pairs, 3 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 100. Up to 31 conditions per place. [2021-04-29 07:52:23,365 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 12 selfloop transitions, 3 changer transitions 4/30 dead transitions. [2021-04-29 07:52:23,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 112 flow [2021-04-29 07:52:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 07:52:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 07:52:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2021-04-29 07:52:23,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7583333333333333 [2021-04-29 07:52:23,382 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 91 transitions. [2021-04-29 07:52:23,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 91 transitions. [2021-04-29 07:52:23,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:23,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 91 transitions. [2021-04-29 07:52:23,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:23,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 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) [2021-04-29 07:52:23,396 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 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) [2021-04-29 07:52:23,398 INFO L185 Difference]: Start difference. First operand has 31 places, 24 transitions, 66 flow. Second operand 3 states and 91 transitions. [2021-04-29 07:52:23,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 112 flow [2021-04-29 07:52:23,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 30 transitions, 100 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-04-29 07:52:23,406 INFO L241 Difference]: Finished difference. Result has 29 places, 22 transitions, 70 flow [2021-04-29 07:52:23,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=29, PETRI_TRANSITIONS=22} [2021-04-29 07:52:23,410 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, -2 predicate places. [2021-04-29 07:52:23,410 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:23,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 22 transitions, 70 flow [2021-04-29 07:52:23,411 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 22 transitions, 70 flow [2021-04-29 07:52:23,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 22 transitions, 70 flow [2021-04-29 07:52:23,418 INFO L129 PetriNetUnfolder]: 4/22 cut-off events. [2021-04-29 07:52:23,419 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 07:52:23,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 22 events. 4/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 42 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 22. Up to 5 conditions per place. [2021-04-29 07:52:23,420 INFO L146 LiptonReduction]: Number of co-enabled transitions 184 [2021-04-29 07:52:23,423 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:23,424 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:23,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-04-29 07:52:23,426 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 22 transitions, 70 flow [2021-04-29 07:52:23,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:23,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:23,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:23,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 07:52:23,427 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:23,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:23,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1664394318, now seen corresponding path program 1 times [2021-04-29 07:52:23,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:23,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356616405] [2021-04-29 07:52:23,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:23,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:23,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:23,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356616405] [2021-04-29 07:52:23,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 07:52:23,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 07:52:23,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779767929] [2021-04-29 07:52:23,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 07:52:23,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:23,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 07:52:23,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 07:52:23,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 40 [2021-04-29 07:52:23,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 22 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:23,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:23,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 40 [2021-04-29 07:52:23,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:23,527 INFO L129 PetriNetUnfolder]: 38/82 cut-off events. [2021-04-29 07:52:23,527 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-04-29 07:52:23,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 82 events. 38/82 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 256 event pairs, 16 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 185. Up to 50 conditions per place. [2021-04-29 07:52:23,530 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 17 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-04-29 07:52:23,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 30 transitions, 140 flow [2021-04-29 07:52:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 07:52:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 07:52:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2021-04-29 07:52:23,533 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7416666666666667 [2021-04-29 07:52:23,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 89 transitions. [2021-04-29 07:52:23,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 89 transitions. [2021-04-29 07:52:23,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:23,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 89 transitions. [2021-04-29 07:52:23,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:23,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 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) [2021-04-29 07:52:23,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 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) [2021-04-29 07:52:23,537 INFO L185 Difference]: Start difference. First operand has 25 places, 22 transitions, 70 flow. Second operand 3 states and 89 transitions. [2021-04-29 07:52:23,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 30 transitions, 140 flow [2021-04-29 07:52:23,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 07:52:23,540 INFO L241 Difference]: Finished difference. Result has 26 places, 23 transitions, 78 flow [2021-04-29 07:52:23,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=26, PETRI_TRANSITIONS=23} [2021-04-29 07:52:23,541 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2021-04-29 07:52:23,541 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:23,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 23 transitions, 78 flow [2021-04-29 07:52:23,542 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 23 transitions, 78 flow [2021-04-29 07:52:23,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 23 transitions, 78 flow [2021-04-29 07:52:23,548 INFO L129 PetriNetUnfolder]: 4/24 cut-off events. [2021-04-29 07:52:23,548 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 07:52:23,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 24 events. 4/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 54 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 31. Up to 5 conditions per place. [2021-04-29 07:52:23,549 INFO L146 LiptonReduction]: Number of co-enabled transitions 208 [2021-04-29 07:52:23,552 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:23,552 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:23,552 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-04-29 07:52:23,554 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 23 transitions, 78 flow [2021-04-29 07:52:23,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:23,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:23,555 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:23,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 07:52:23,555 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:23,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:23,556 INFO L82 PathProgramCache]: Analyzing trace with hash 635748978, now seen corresponding path program 1 times [2021-04-29 07:52:23,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:23,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770803488] [2021-04-29 07:52:23,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:23,719 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-04-29 07:52:23,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:52:23,789 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.7 percent of original size [2021-04-29 07:52:23,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:52:23,844 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-04-29 07:52:23,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:52:23,880 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-04-29 07:52:23,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:23,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770803488] [2021-04-29 07:52:23,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184990499] [2021-04-29 07:52:23,907 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 [2021-04-29 07:52:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:23,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 19 conjunts are in the unsatisfiable core [2021-04-29 07:52:23,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:23,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:23,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:23,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:23,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:23,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:24,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:24,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:24,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:24,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:24,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:24,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:52:24,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:52:24,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:52:24,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:24,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:24,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:24,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:24,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:52:24,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:52:24,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2021-04-29 07:52:24,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,182 INFO L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-04-29 07:52:24,183 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-04-29 07:52:24,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:24,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 07:52:24,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,202 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:52:24,206 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:24,218 INFO L147 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size 26 [2021-04-29 07:52:24,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:52:24,219 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:33 [2021-04-29 07:52:24,220 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size [2021-04-29 07:52:24,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:52:24,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:52:24,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 07:52:24,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:24,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:24,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:52:24,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:52:24,274 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:24,276 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:52:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:24,279 INFO L147 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size 7 [2021-04-29 07:52:24,280 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-04-29 07:52:24,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:24,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:24,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:24,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:52:24,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488724120] [2021-04-29 07:52:24,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:24,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:24,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:24,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:24,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 40 [2021-04-29 07:52:24,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 78 flow. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:24,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:24,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 40 [2021-04-29 07:52:24,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:24,673 INFO L129 PetriNetUnfolder]: 188/349 cut-off events. [2021-04-29 07:52:24,674 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-04-29 07:52:24,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 349 events. 188/349 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1627 event pairs, 1 based on Foata normal form. 1/225 useless extension candidates. Maximal degree in co-relation 771. Up to 184 conditions per place. [2021-04-29 07:52:24,677 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 15 selfloop transitions, 20 changer transitions 25/69 dead transitions. [2021-04-29 07:52:24,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 69 transitions, 359 flow [2021-04-29 07:52:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 07:52:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 07:52:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 218 transitions. [2021-04-29 07:52:24,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6055555555555555 [2021-04-29 07:52:24,681 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 218 transitions. [2021-04-29 07:52:24,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 218 transitions. [2021-04-29 07:52:24,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:24,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 218 transitions. [2021-04-29 07:52:24,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.22222222222222) internal successors, (218), 9 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:24,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:24,687 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:24,687 INFO L185 Difference]: Start difference. First operand has 26 places, 23 transitions, 78 flow. Second operand 9 states and 218 transitions. [2021-04-29 07:52:24,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 69 transitions, 359 flow [2021-04-29 07:52:24,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 69 transitions, 354 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 07:52:24,691 INFO L241 Difference]: Finished difference. Result has 35 places, 38 transitions, 188 flow [2021-04-29 07:52:24,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=188, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2021-04-29 07:52:24,692 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2021-04-29 07:52:24,692 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:24,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 38 transitions, 188 flow [2021-04-29 07:52:24,693 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 38 transitions, 188 flow [2021-04-29 07:52:24,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 38 transitions, 188 flow [2021-04-29 07:52:24,703 INFO L129 PetriNetUnfolder]: 28/80 cut-off events. [2021-04-29 07:52:24,703 INFO L130 PetriNetUnfolder]: For 25/27 co-relation queries the response was YES. [2021-04-29 07:52:24,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 80 events. 28/80 cut-off events. For 25/27 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 284 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 154. Up to 33 conditions per place. [2021-04-29 07:52:24,706 INFO L146 LiptonReduction]: Number of co-enabled transitions 248 [2021-04-29 07:52:24,712 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:24,712 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:24,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-04-29 07:52:24,713 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 38 transitions, 188 flow [2021-04-29 07:52:24,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:24,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:24,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:24,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-04-29 07:52:24,930 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:24,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:24,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1052510894, now seen corresponding path program 2 times [2021-04-29 07:52:24,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:24,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600654718] [2021-04-29 07:52:24,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:25,023 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.1 percent of original size [2021-04-29 07:52:25,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:52:25,065 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.7 percent of original size [2021-04-29 07:52:25,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:52:25,105 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.8 percent of original size [2021-04-29 07:52:25,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:52:25,133 INFO L142 QuantifierPusher]: treesize reduction 11, result has 68.6 percent of original size [2021-04-29 07:52:25,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:25,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600654718] [2021-04-29 07:52:25,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201562252] [2021-04-29 07:52:25,159 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 [2021-04-29 07:52:25,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:52:25,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:25,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 07:52:25,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:25,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:25,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,235 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-04-29 07:52:25,236 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:52:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,285 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-04-29 07:52:25,286 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 07:52:25,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:25,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:25,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:52:25,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:25,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:25,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:52:25,306 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2021-04-29 07:52:25,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,309 INFO L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-04-29 07:52:25,310 INFO L142 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-04-29 07:52:25,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:25,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 07:52:25,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,324 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:52:25,324 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2021-04-29 07:52:25,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,361 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:52:25,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:52:25,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:25,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:25,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:25,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,372 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:52:25,374 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:25,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,382 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 07:52:25,384 INFO L147 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size 7 [2021-04-29 07:52:25,389 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-04-29 07:52:25,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:25,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:25,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:25,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:25,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:52:25,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535200892] [2021-04-29 07:52:25,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:25,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:25,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:25,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:25,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:52:25,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 38 transitions, 188 flow. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:25,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:25,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:52:25,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:25,885 INFO L129 PetriNetUnfolder]: 261/449 cut-off events. [2021-04-29 07:52:25,885 INFO L130 PetriNetUnfolder]: For 399/417 co-relation queries the response was YES. [2021-04-29 07:52:25,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 449 events. 261/449 cut-off events. For 399/417 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2106 event pairs, 15 based on Foata normal form. 11/390 useless extension candidates. Maximal degree in co-relation 1330. Up to 274 conditions per place. [2021-04-29 07:52:25,891 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 23 selfloop transitions, 25 changer transitions 18/72 dead transitions. [2021-04-29 07:52:25,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 72 transitions, 443 flow [2021-04-29 07:52:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 07:52:25,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 07:52:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 170 transitions. [2021-04-29 07:52:25,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.53125 [2021-04-29 07:52:25,895 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 170 transitions. [2021-04-29 07:52:25,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 170 transitions. [2021-04-29 07:52:25,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:25,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 170 transitions. [2021-04-29 07:52:25,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.25) internal successors, (170), 8 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:25,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:25,902 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:25,902 INFO L185 Difference]: Start difference. First operand has 31 places, 38 transitions, 188 flow. Second operand 8 states and 170 transitions. [2021-04-29 07:52:25,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 72 transitions, 443 flow [2021-04-29 07:52:25,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 72 transitions, 431 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-04-29 07:52:25,914 INFO L241 Difference]: Finished difference. Result has 41 places, 45 transitions, 300 flow [2021-04-29 07:52:25,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=300, PETRI_PLACES=41, PETRI_TRANSITIONS=45} [2021-04-29 07:52:25,915 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 10 predicate places. [2021-04-29 07:52:25,915 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:25,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 45 transitions, 300 flow [2021-04-29 07:52:25,916 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 45 transitions, 300 flow [2021-04-29 07:52:25,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 45 transitions, 300 flow [2021-04-29 07:52:25,928 INFO L129 PetriNetUnfolder]: 47/108 cut-off events. [2021-04-29 07:52:25,928 INFO L130 PetriNetUnfolder]: For 114/114 co-relation queries the response was YES. [2021-04-29 07:52:25,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 108 events. 47/108 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 402 event pairs, 2 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 305. Up to 45 conditions per place. [2021-04-29 07:52:25,931 INFO L146 LiptonReduction]: Number of co-enabled transitions 144 [2021-04-29 07:52:25,940 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:25,940 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:25,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-04-29 07:52:25,942 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 45 transitions, 300 flow [2021-04-29 07:52:25,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:25,943 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:25,943 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:26,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:26,159 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:26,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:26,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1962526004, now seen corresponding path program 3 times [2021-04-29 07:52:26,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:26,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699378046] [2021-04-29 07:52:26,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:26,223 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-04-29 07:52:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:52:26,272 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 07:52:26,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:52:26,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:52:26,325 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-04-29 07:52:26,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:26,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699378046] [2021-04-29 07:52:26,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623783212] [2021-04-29 07:52:26,351 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 [2021-04-29 07:52:26,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:52:26,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:26,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 07:52:26,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:26,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:26,448 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 07:52:26,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:26,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:26,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:26,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:26,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:26,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:26,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:52:26,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:26,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:26,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:26,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:26,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:26,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:26,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:26,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:26,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:26,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:26,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:26,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:52:26,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:52:26,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 07:52:26,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:26,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:26,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:52:26,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:26,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:52:26,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2021-04-29 07:52:26,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:26,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:26,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:26,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:26,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:26,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:52:26,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590788133] [2021-04-29 07:52:26,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:52:26,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:26,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:52:26,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:52:26,590 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:52:26,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 45 transitions, 300 flow. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:26,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:26,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:52:26,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:26,766 INFO L129 PetriNetUnfolder]: 107/200 cut-off events. [2021-04-29 07:52:26,767 INFO L130 PetriNetUnfolder]: For 326/349 co-relation queries the response was YES. [2021-04-29 07:52:26,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 200 events. 107/200 cut-off events. For 326/349 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 694 event pairs, 17 based on Foata normal form. 12/212 useless extension candidates. Maximal degree in co-relation 701. Up to 158 conditions per place. [2021-04-29 07:52:26,770 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 38 selfloop transitions, 11 changer transitions 0/55 dead transitions. [2021-04-29 07:52:26,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 55 transitions, 463 flow [2021-04-29 07:52:26,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 07:52:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 07:52:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2021-04-29 07:52:26,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44166666666666665 [2021-04-29 07:52:26,771 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 106 transitions. [2021-04-29 07:52:26,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 106 transitions. [2021-04-29 07:52:26,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:26,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 106 transitions. [2021-04-29 07:52:26,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:26,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:26,774 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:26,774 INFO L185 Difference]: Start difference. First operand has 38 places, 45 transitions, 300 flow. Second operand 6 states and 106 transitions. [2021-04-29 07:52:26,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 55 transitions, 463 flow [2021-04-29 07:52:26,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 55 transitions, 414 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 07:52:26,780 INFO L241 Difference]: Finished difference. Result has 42 places, 52 transitions, 345 flow [2021-04-29 07:52:26,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=345, PETRI_PLACES=42, PETRI_TRANSITIONS=52} [2021-04-29 07:52:26,780 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 11 predicate places. [2021-04-29 07:52:26,780 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:26,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 52 transitions, 345 flow [2021-04-29 07:52:26,781 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 52 transitions, 345 flow [2021-04-29 07:52:26,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 52 transitions, 345 flow [2021-04-29 07:52:26,795 INFO L129 PetriNetUnfolder]: 51/118 cut-off events. [2021-04-29 07:52:26,796 INFO L130 PetriNetUnfolder]: For 139/139 co-relation queries the response was YES. [2021-04-29 07:52:26,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 118 events. 51/118 cut-off events. For 139/139 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 439 event pairs, 1 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 330. Up to 51 conditions per place. [2021-04-29 07:52:26,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 156 [2021-04-29 07:52:26,807 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:26,807 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:26,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-04-29 07:52:26,808 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 52 transitions, 345 flow [2021-04-29 07:52:26,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:26,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:26,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:27,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:27,024 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:27,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:27,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1016283988, now seen corresponding path program 4 times [2021-04-29 07:52:27,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:27,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729200111] [2021-04-29 07:52:27,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:27,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-04-29 07:52:27,083 INFO L147 QuantifierPusher]: treesize reduction 7, result has 84.4 percent of original size 38 [2021-04-29 07:52:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:52:27,166 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-04-29 07:52:27,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:27,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729200111] [2021-04-29 07:52:27,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401061547] [2021-04-29 07:52:27,190 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 [2021-04-29 07:52:27,222 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:52:27,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:27,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 07:52:27,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:27,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:27,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:27,296 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-04-29 07:52:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:52:27,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:52:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:52:27,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:52:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:27,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:52:27,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:27,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:27,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:27,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:27,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:27,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:52:27,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:27,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:52:27,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-04-29 07:52:27,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:27,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:27,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:52:27,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:27,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:52:27,436 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-04-29 07:52:27,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:27,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:27,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:27,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:27,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:27,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:52:27,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865587905] [2021-04-29 07:52:27,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:27,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:27,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:27,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:27,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:52:27,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 52 transitions, 345 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:27,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:27,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:52:27,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:27,700 INFO L129 PetriNetUnfolder]: 111/208 cut-off events. [2021-04-29 07:52:27,700 INFO L130 PetriNetUnfolder]: For 430/455 co-relation queries the response was YES. [2021-04-29 07:52:27,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 208 events. 111/208 cut-off events. For 430/455 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 747 event pairs, 10 based on Foata normal form. 11/218 useless extension candidates. Maximal degree in co-relation 750. Up to 161 conditions per place. [2021-04-29 07:52:27,703 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 39 selfloop transitions, 16 changer transitions 0/61 dead transitions. [2021-04-29 07:52:27,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 61 transitions, 513 flow [2021-04-29 07:52:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 07:52:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 07:52:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 109 transitions. [2021-04-29 07:52:27,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45416666666666666 [2021-04-29 07:52:27,705 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 109 transitions. [2021-04-29 07:52:27,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 109 transitions. [2021-04-29 07:52:27,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:27,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 109 transitions. [2021-04-29 07:52:27,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:27,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:27,707 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:27,707 INFO L185 Difference]: Start difference. First operand has 42 places, 52 transitions, 345 flow. Second operand 6 states and 109 transitions. [2021-04-29 07:52:27,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 61 transitions, 513 flow [2021-04-29 07:52:27,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 489 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-04-29 07:52:27,713 INFO L241 Difference]: Finished difference. Result has 47 places, 57 transitions, 410 flow [2021-04-29 07:52:27,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=47, PETRI_TRANSITIONS=57} [2021-04-29 07:52:27,714 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 16 predicate places. [2021-04-29 07:52:27,714 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:27,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 57 transitions, 410 flow [2021-04-29 07:52:27,714 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 57 transitions, 410 flow [2021-04-29 07:52:27,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 57 transitions, 410 flow [2021-04-29 07:52:27,728 INFO L129 PetriNetUnfolder]: 54/130 cut-off events. [2021-04-29 07:52:27,729 INFO L130 PetriNetUnfolder]: For 215/218 co-relation queries the response was YES. [2021-04-29 07:52:27,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 130 events. 54/130 cut-off events. For 215/218 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 515 event pairs, 1 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 383. Up to 51 conditions per place. [2021-04-29 07:52:27,731 INFO L146 LiptonReduction]: Number of co-enabled transitions 164 [2021-04-29 07:52:27,741 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:27,741 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:27,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-04-29 07:52:27,742 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 57 transitions, 410 flow [2021-04-29 07:52:27,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:27,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:27,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:27,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:27,957 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:27,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:27,958 INFO L82 PathProgramCache]: Analyzing trace with hash -705627594, now seen corresponding path program 5 times [2021-04-29 07:52:27,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:27,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382846721] [2021-04-29 07:52:27,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:28,045 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-04-29 07:52:28,051 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-04-29 07:52:28,094 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-04-29 07:52:28,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:52:28,139 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.0 percent of original size [2021-04-29 07:52:28,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:52:28,178 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-04-29 07:52:28,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:28,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382846721] [2021-04-29 07:52:28,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143768927] [2021-04-29 07:52:28,205 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 [2021-04-29 07:52:28,240 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:52:28,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:28,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 18 conjunts are in the unsatisfiable core [2021-04-29 07:52:28,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:28,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:52:28,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,287 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size 23 [2021-04-29 07:52:28,288 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 07:52:28,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,320 INFO L147 QuantifierPusher]: treesize reduction 10, result has 80.0 percent of original size 40 [2021-04-29 07:52:28,322 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-04-29 07:52:28,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:28,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:52:28,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:52:28,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:28,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:52:28,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:52:28,341 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-04-29 07:52:28,342 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:52:28,345 INFO L147 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size 15 [2021-04-29 07:52:28,346 INFO L142 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size [2021-04-29 07:52:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:28,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:52:28,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:28,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:52:28,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:18 [2021-04-29 07:52:28,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:28,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:28,386 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:52:28,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:52:28,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:28,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:52:28,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:52:28,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,394 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:52:28,396 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:28,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,399 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 07:52:28,400 INFO L147 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size 7 [2021-04-29 07:52:28,400 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-04-29 07:52:28,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:28,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:28,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:28,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-04-29 07:52:28,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004301911] [2021-04-29 07:52:28,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:28,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:28,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:28,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:28,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:52:28,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 57 transitions, 410 flow. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:28,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:28,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:52:28,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:28,658 INFO L129 PetriNetUnfolder]: 127/231 cut-off events. [2021-04-29 07:52:28,659 INFO L130 PetriNetUnfolder]: For 639/656 co-relation queries the response was YES. [2021-04-29 07:52:28,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 231 events. 127/231 cut-off events. For 639/656 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 829 event pairs, 17 based on Foata normal form. 10/240 useless extension candidates. Maximal degree in co-relation 916. Up to 165 conditions per place. [2021-04-29 07:52:28,662 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 39 selfloop transitions, 23 changer transitions 0/68 dead transitions. [2021-04-29 07:52:28,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 68 transitions, 616 flow [2021-04-29 07:52:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 07:52:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 07:52:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 112 transitions. [2021-04-29 07:52:28,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2021-04-29 07:52:28,664 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 112 transitions. [2021-04-29 07:52:28,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 112 transitions. [2021-04-29 07:52:28,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:28,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 112 transitions. [2021-04-29 07:52:28,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:28,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:28,666 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:28,666 INFO L185 Difference]: Start difference. First operand has 47 places, 57 transitions, 410 flow. Second operand 6 states and 112 transitions. [2021-04-29 07:52:28,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 68 transitions, 616 flow [2021-04-29 07:52:28,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 68 transitions, 571 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-29 07:52:28,672 INFO L241 Difference]: Finished difference. Result has 51 places, 63 transitions, 489 flow [2021-04-29 07:52:28,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=489, PETRI_PLACES=51, PETRI_TRANSITIONS=63} [2021-04-29 07:52:28,673 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 20 predicate places. [2021-04-29 07:52:28,673 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:28,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 63 transitions, 489 flow [2021-04-29 07:52:28,674 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 63 transitions, 489 flow [2021-04-29 07:52:28,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 63 transitions, 489 flow [2021-04-29 07:52:28,689 INFO L129 PetriNetUnfolder]: 59/139 cut-off events. [2021-04-29 07:52:28,689 INFO L130 PetriNetUnfolder]: For 334/338 co-relation queries the response was YES. [2021-04-29 07:52:28,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 139 events. 59/139 cut-off events. For 334/338 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 545 event pairs, 2 based on Foata normal form. 1/138 useless extension candidates. Maximal degree in co-relation 454. Up to 54 conditions per place. [2021-04-29 07:52:28,692 INFO L146 LiptonReduction]: Number of co-enabled transitions 188 [2021-04-29 07:52:28,702 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:28,702 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:28,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-04-29 07:52:28,703 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 63 transitions, 489 flow [2021-04-29 07:52:28,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:28,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:28,704 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:28,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-04-29 07:52:28,918 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:28,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2098012390, now seen corresponding path program 6 times [2021-04-29 07:52:28,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:28,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358002118] [2021-04-29 07:52:28,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:28,940 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:28,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:28,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:28,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:28,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:28,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:28,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358002118] [2021-04-29 07:52:28,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090629498] [2021-04-29 07:52:28,971 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 [2021-04-29 07:52:29,023 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:52:29,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:29,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:29,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:29,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:52:29,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:29,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:29,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:29,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:29,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:29,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:29,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:29,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:29,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:29,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:52:29,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924519708] [2021-04-29 07:52:29,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:52:29,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:29,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:52:29,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:52:29,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:29,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 63 transitions, 489 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:29,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:29,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:29,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:29,274 INFO L129 PetriNetUnfolder]: 156/293 cut-off events. [2021-04-29 07:52:29,274 INFO L130 PetriNetUnfolder]: For 1018/1035 co-relation queries the response was YES. [2021-04-29 07:52:29,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1301 conditions, 293 events. 156/293 cut-off events. For 1018/1035 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1183 event pairs, 19 based on Foata normal form. 15/307 useless extension candidates. Maximal degree in co-relation 1218. Up to 176 conditions per place. [2021-04-29 07:52:29,278 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 57 selfloop transitions, 25 changer transitions 0/89 dead transitions. [2021-04-29 07:52:29,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 89 transitions, 875 flow [2021-04-29 07:52:29,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 07:52:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 07:52:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2021-04-29 07:52:29,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.509375 [2021-04-29 07:52:29,281 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 163 transitions. [2021-04-29 07:52:29,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 163 transitions. [2021-04-29 07:52:29,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:29,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 163 transitions. [2021-04-29 07:52:29,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:29,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:29,283 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 40.0) internal successors, (360), 9 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:29,283 INFO L185 Difference]: Start difference. First operand has 51 places, 63 transitions, 489 flow. Second operand 8 states and 163 transitions. [2021-04-29 07:52:29,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 89 transitions, 875 flow [2021-04-29 07:52:29,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 89 transitions, 836 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-29 07:52:29,293 INFO L241 Difference]: Finished difference. Result has 60 places, 75 transitions, 641 flow [2021-04-29 07:52:29,293 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=641, PETRI_PLACES=60, PETRI_TRANSITIONS=75} [2021-04-29 07:52:29,293 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 29 predicate places. [2021-04-29 07:52:29,293 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:29,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 75 transitions, 641 flow [2021-04-29 07:52:29,294 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 75 transitions, 641 flow [2021-04-29 07:52:29,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 75 transitions, 641 flow [2021-04-29 07:52:29,316 INFO L129 PetriNetUnfolder]: 76/181 cut-off events. [2021-04-29 07:52:29,316 INFO L130 PetriNetUnfolder]: For 629/645 co-relation queries the response was YES. [2021-04-29 07:52:29,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 181 events. 76/181 cut-off events. For 629/645 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 847 event pairs, 4 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 716. Up to 68 conditions per place. [2021-04-29 07:52:29,320 INFO L146 LiptonReduction]: Number of co-enabled transitions 256 [2021-04-29 07:52:29,334 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:29,334 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:29,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-29 07:52:29,335 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 75 transitions, 641 flow [2021-04-29 07:52:29,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:29,336 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:29,336 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:29,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:29,550 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:29,551 INFO L82 PathProgramCache]: Analyzing trace with hash -729749956, now seen corresponding path program 7 times [2021-04-29 07:52:29,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:29,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219238712] [2021-04-29 07:52:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:29,573 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:29,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:29,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:29,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:29,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:29,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:29,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219238712] [2021-04-29 07:52:29,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398349966] [2021-04-29 07:52:29,609 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 [2021-04-29 07:52:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:29,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:29,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:29,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:29,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:29,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:29,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:29,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:29,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:29,759 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:29,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:29,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:29,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:29,774 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:29,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:29,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:29,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:29,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:52:29,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341879769] [2021-04-29 07:52:29,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:52:29,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:29,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:52:29,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:52:29,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:29,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 75 transitions, 641 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:29,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:29,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:29,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:30,089 INFO L129 PetriNetUnfolder]: 183/354 cut-off events. [2021-04-29 07:52:30,089 INFO L130 PetriNetUnfolder]: For 1888/1910 co-relation queries the response was YES. [2021-04-29 07:52:30,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1784 conditions, 354 events. 183/354 cut-off events. For 1888/1910 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1598 event pairs, 22 based on Foata normal form. 20/372 useless extension candidates. Maximal degree in co-relation 1682. Up to 211 conditions per place. [2021-04-29 07:52:30,095 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 58 selfloop transitions, 39 changer transitions 0/104 dead transitions. [2021-04-29 07:52:30,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 104 transitions, 1156 flow [2021-04-29 07:52:30,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:52:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:52:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 242 transitions. [2021-04-29 07:52:30,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5041666666666667 [2021-04-29 07:52:30,097 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 242 transitions. [2021-04-29 07:52:30,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 242 transitions. [2021-04-29 07:52:30,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:30,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 242 transitions. [2021-04-29 07:52:30,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.166666666666668) internal successors, (242), 12 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:30,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:30,100 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:30,101 INFO L185 Difference]: Start difference. First operand has 60 places, 75 transitions, 641 flow. Second operand 12 states and 242 transitions. [2021-04-29 07:52:30,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 104 transitions, 1156 flow [2021-04-29 07:52:30,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 104 transitions, 1106 flow, removed 22 selfloop flow, removed 1 redundant places. [2021-04-29 07:52:30,115 INFO L241 Difference]: Finished difference. Result has 74 places, 92 transitions, 868 flow [2021-04-29 07:52:30,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=868, PETRI_PLACES=74, PETRI_TRANSITIONS=92} [2021-04-29 07:52:30,115 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 43 predicate places. [2021-04-29 07:52:30,115 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:30,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 92 transitions, 868 flow [2021-04-29 07:52:30,116 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 92 transitions, 868 flow [2021-04-29 07:52:30,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 92 transitions, 868 flow [2021-04-29 07:52:30,147 INFO L129 PetriNetUnfolder]: 101/238 cut-off events. [2021-04-29 07:52:30,147 INFO L130 PetriNetUnfolder]: For 1385/1401 co-relation queries the response was YES. [2021-04-29 07:52:30,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 238 events. 101/238 cut-off events. For 1385/1401 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1170 event pairs, 8 based on Foata normal form. 3/235 useless extension candidates. Maximal degree in co-relation 1100. Up to 79 conditions per place. [2021-04-29 07:52:30,152 INFO L146 LiptonReduction]: Number of co-enabled transitions 306 [2021-04-29 07:52:30,171 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:30,171 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:30,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-04-29 07:52:30,172 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 92 transitions, 868 flow [2021-04-29 07:52:30,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:30,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:30,173 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:30,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:30,378 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:30,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:30,378 INFO L82 PathProgramCache]: Analyzing trace with hash -757455586, now seen corresponding path program 8 times [2021-04-29 07:52:30,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:30,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106413092] [2021-04-29 07:52:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:30,401 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:30,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:30,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:30,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:30,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:30,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:30,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106413092] [2021-04-29 07:52:30,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727950465] [2021-04-29 07:52:30,437 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 [2021-04-29 07:52:30,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:52:30,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:30,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:30,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:30,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:30,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:30,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:30,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:30,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:30,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:30,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:30,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:30,592 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:30,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:30,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:30,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:30,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:30,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:30,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:30,609 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:30,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:30,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:52:30,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966074086] [2021-04-29 07:52:30,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:52:30,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:30,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:52:30,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:52:30,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:30,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 92 transitions, 868 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:30,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:30,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:30,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:30,992 INFO L129 PetriNetUnfolder]: 189/377 cut-off events. [2021-04-29 07:52:30,992 INFO L130 PetriNetUnfolder]: For 2545/2547 co-relation queries the response was YES. [2021-04-29 07:52:30,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 377 events. 189/377 cut-off events. For 2545/2547 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1796 event pairs, 18 based on Foata normal form. 5/380 useless extension candidates. Maximal degree in co-relation 1995. Up to 196 conditions per place. [2021-04-29 07:52:30,998 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 60 selfloop transitions, 50 changer transitions 0/117 dead transitions. [2021-04-29 07:52:30,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 117 transitions, 1428 flow [2021-04-29 07:52:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:52:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:52:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 261 transitions. [2021-04-29 07:52:31,001 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5019230769230769 [2021-04-29 07:52:31,001 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 261 transitions. [2021-04-29 07:52:31,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 261 transitions. [2021-04-29 07:52:31,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:31,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 261 transitions. [2021-04-29 07:52:31,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.076923076923077) internal successors, (261), 13 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,004 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,004 INFO L185 Difference]: Start difference. First operand has 74 places, 92 transitions, 868 flow. Second operand 13 states and 261 transitions. [2021-04-29 07:52:31,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 117 transitions, 1428 flow [2021-04-29 07:52:31,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 117 transitions, 1311 flow, removed 39 selfloop flow, removed 4 redundant places. [2021-04-29 07:52:31,025 INFO L241 Difference]: Finished difference. Result has 89 places, 103 transitions, 1055 flow [2021-04-29 07:52:31,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1055, PETRI_PLACES=89, PETRI_TRANSITIONS=103} [2021-04-29 07:52:31,026 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 58 predicate places. [2021-04-29 07:52:31,026 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:31,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 103 transitions, 1055 flow [2021-04-29 07:52:31,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 103 transitions, 1055 flow [2021-04-29 07:52:31,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 103 transitions, 1055 flow [2021-04-29 07:52:31,067 INFO L129 PetriNetUnfolder]: 115/271 cut-off events. [2021-04-29 07:52:31,068 INFO L130 PetriNetUnfolder]: For 2150/2173 co-relation queries the response was YES. [2021-04-29 07:52:31,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1479 conditions, 271 events. 115/271 cut-off events. For 2150/2173 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1435 event pairs, 8 based on Foata normal form. 2/268 useless extension candidates. Maximal degree in co-relation 1413. Up to 90 conditions per place. [2021-04-29 07:52:31,073 INFO L146 LiptonReduction]: Number of co-enabled transitions 330 [2021-04-29 07:52:31,097 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:31,097 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:31,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-29 07:52:31,098 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 103 transitions, 1055 flow [2021-04-29 07:52:31,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:31,098 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:31,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-04-29 07:52:31,311 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:31,312 INFO L82 PathProgramCache]: Analyzing trace with hash -958165282, now seen corresponding path program 9 times [2021-04-29 07:52:31,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:31,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890624748] [2021-04-29 07:52:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:31,349 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:31,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:31,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:31,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890624748] [2021-04-29 07:52:31,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251921898] [2021-04-29 07:52:31,392 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 [2021-04-29 07:52:31,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:52:31,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:31,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:31,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:31,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:31,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:31,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:31,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:31,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:31,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:31,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:31,478 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:52:31,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:31,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:31,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:31,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:31,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:31,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:31,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:31,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:31,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:31,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:31,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:31,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:31,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:31,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:52:31,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480175104] [2021-04-29 07:52:31,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:31,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:31,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:31,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:31,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:31,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 103 transitions, 1055 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:31,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:31,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:31,782 INFO L129 PetriNetUnfolder]: 199/398 cut-off events. [2021-04-29 07:52:31,782 INFO L130 PetriNetUnfolder]: For 3484/3520 co-relation queries the response was YES. [2021-04-29 07:52:31,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2469 conditions, 398 events. 199/398 cut-off events. For 3484/3520 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1956 event pairs, 15 based on Foata normal form. 32/428 useless extension candidates. Maximal degree in co-relation 2384. Up to 232 conditions per place. [2021-04-29 07:52:31,789 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 77 selfloop transitions, 56 changer transitions 0/140 dead transitions. [2021-04-29 07:52:31,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 140 transitions, 1860 flow [2021-04-29 07:52:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:52:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:52:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 240 transitions. [2021-04-29 07:52:31,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-04-29 07:52:31,792 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 240 transitions. [2021-04-29 07:52:31,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 240 transitions. [2021-04-29 07:52:31,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:31,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 240 transitions. [2021-04-29 07:52:31,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.0) internal successors, (240), 12 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,795 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,795 INFO L185 Difference]: Start difference. First operand has 89 places, 103 transitions, 1055 flow. Second operand 12 states and 240 transitions. [2021-04-29 07:52:31,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 140 transitions, 1860 flow [2021-04-29 07:52:31,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 140 transitions, 1712 flow, removed 31 selfloop flow, removed 5 redundant places. [2021-04-29 07:52:31,817 INFO L241 Difference]: Finished difference. Result has 99 places, 124 transitions, 1367 flow [2021-04-29 07:52:31,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1367, PETRI_PLACES=99, PETRI_TRANSITIONS=124} [2021-04-29 07:52:31,818 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 68 predicate places. [2021-04-29 07:52:31,818 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:31,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 124 transitions, 1367 flow [2021-04-29 07:52:31,818 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 124 transitions, 1367 flow [2021-04-29 07:52:31,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 124 transitions, 1367 flow [2021-04-29 07:52:31,862 INFO L129 PetriNetUnfolder]: 132/310 cut-off events. [2021-04-29 07:52:31,862 INFO L130 PetriNetUnfolder]: For 2554/2571 co-relation queries the response was YES. [2021-04-29 07:52:31,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 310 events. 132/310 cut-off events. For 2554/2571 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1679 event pairs, 6 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 1728. Up to 107 conditions per place. [2021-04-29 07:52:31,868 INFO L146 LiptonReduction]: Number of co-enabled transitions 372 [2021-04-29 07:52:31,902 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:31,902 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:31,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-04-29 07:52:31,903 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 124 transitions, 1367 flow [2021-04-29 07:52:31,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:31,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:31,903 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:32,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-04-29 07:52:32,117 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:32,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:32,118 INFO L82 PathProgramCache]: Analyzing trace with hash -282854782, now seen corresponding path program 10 times [2021-04-29 07:52:32,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:32,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606839151] [2021-04-29 07:52:32,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:32,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:32,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:32,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:32,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:32,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606839151] [2021-04-29 07:52:32,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658773248] [2021-04-29 07:52:32,158 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 [2021-04-29 07:52:32,192 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:52:32,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:32,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:32,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:32,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:32,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:32,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:32,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:32,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,229 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:52:32,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:32,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:32,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:32,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:32,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:32,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:32,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:32,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:32,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:32,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 07:52:32,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256329847] [2021-04-29 07:52:32,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:52:32,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:32,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:52:32,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:52:32,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 40 [2021-04-29 07:52:32,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 124 transitions, 1367 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:32,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:32,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 40 [2021-04-29 07:52:32,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:32,490 INFO L129 PetriNetUnfolder]: 196/436 cut-off events. [2021-04-29 07:52:32,490 INFO L130 PetriNetUnfolder]: For 4358/4414 co-relation queries the response was YES. [2021-04-29 07:52:32,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 436 events. 196/436 cut-off events. For 4358/4414 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2415 event pairs, 7 based on Foata normal form. 38/469 useless extension candidates. Maximal degree in co-relation 2696. Up to 144 conditions per place. [2021-04-29 07:52:32,499 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 67 selfloop transitions, 56 changer transitions 0/167 dead transitions. [2021-04-29 07:52:32,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 167 transitions, 2123 flow [2021-04-29 07:52:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:52:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:52:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 265 transitions. [2021-04-29 07:52:32,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6022727272727273 [2021-04-29 07:52:32,501 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 265 transitions. [2021-04-29 07:52:32,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 265 transitions. [2021-04-29 07:52:32,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:32,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 265 transitions. [2021-04-29 07:52:32,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 24.09090909090909) internal successors, (265), 11 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:32,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:52:32,504 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:52:32,504 INFO L185 Difference]: Start difference. First operand has 99 places, 124 transitions, 1367 flow. Second operand 11 states and 265 transitions. [2021-04-29 07:52:32,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 167 transitions, 2123 flow [2021-04-29 07:52:32,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 167 transitions, 1999 flow, removed 28 selfloop flow, removed 4 redundant places. [2021-04-29 07:52:32,532 INFO L241 Difference]: Finished difference. Result has 109 places, 159 transitions, 1860 flow [2021-04-29 07:52:32,533 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1267, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1860, PETRI_PLACES=109, PETRI_TRANSITIONS=159} [2021-04-29 07:52:32,533 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 78 predicate places. [2021-04-29 07:52:32,533 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:32,533 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 159 transitions, 1860 flow [2021-04-29 07:52:32,534 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 159 transitions, 1860 flow [2021-04-29 07:52:32,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 159 transitions, 1860 flow [2021-04-29 07:52:32,594 INFO L129 PetriNetUnfolder]: 191/439 cut-off events. [2021-04-29 07:52:32,595 INFO L130 PetriNetUnfolder]: For 4204/4223 co-relation queries the response was YES. [2021-04-29 07:52:32,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2635 conditions, 439 events. 191/439 cut-off events. For 4204/4223 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2552 event pairs, 7 based on Foata normal form. 4/438 useless extension candidates. Maximal degree in co-relation 2537. Up to 144 conditions per place. [2021-04-29 07:52:32,604 INFO L146 LiptonReduction]: Number of co-enabled transitions 412 [2021-04-29 07:52:32,630 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:32,630 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:32,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-04-29 07:52:32,631 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 159 transitions, 1860 flow [2021-04-29 07:52:32,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:32,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:32,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:32,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-04-29 07:52:32,847 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:32,848 INFO L82 PathProgramCache]: Analyzing trace with hash 271608889, now seen corresponding path program 1 times [2021-04-29 07:52:32,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:32,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012332471] [2021-04-29 07:52:32,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:32,861 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:52:32,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:32,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:32,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012332471] [2021-04-29 07:52:32,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127657872] [2021-04-29 07:52:32,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-04-29 07:52:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:32,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 07:52:32,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:32,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:32,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:32,954 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:52:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:32,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:32,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:32,966 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:52:32,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:32,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:32,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:32,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:52:32,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203929583] [2021-04-29 07:52:32,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 07:52:32,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:32,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 07:52:32,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 07:52:32,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2021-04-29 07:52:32,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 159 transitions, 1860 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:32,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:32,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2021-04-29 07:52:32,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:33,248 INFO L129 PetriNetUnfolder]: 327/708 cut-off events. [2021-04-29 07:52:33,249 INFO L130 PetriNetUnfolder]: For 9186/9239 co-relation queries the response was YES. [2021-04-29 07:52:33,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5032 conditions, 708 events. 327/708 cut-off events. For 9186/9239 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4291 event pairs, 4 based on Foata normal form. 81/787 useless extension candidates. Maximal degree in co-relation 4934. Up to 231 conditions per place. [2021-04-29 07:52:33,263 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 191 selfloop transitions, 113 changer transitions 5/316 dead transitions. [2021-04-29 07:52:33,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 316 transitions, 4732 flow [2021-04-29 07:52:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:52:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:52:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 217 transitions. [2021-04-29 07:52:33,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5425 [2021-04-29 07:52:33,266 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 217 transitions. [2021-04-29 07:52:33,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 217 transitions. [2021-04-29 07:52:33,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:33,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 217 transitions. [2021-04-29 07:52:33,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 21.7) internal successors, (217), 10 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:33,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:33,268 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:33,268 INFO L185 Difference]: Start difference. First operand has 109 places, 159 transitions, 1860 flow. Second operand 10 states and 217 transitions. [2021-04-29 07:52:33,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 316 transitions, 4732 flow [2021-04-29 07:52:33,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 316 transitions, 4405 flow, removed 152 selfloop flow, removed 1 redundant places. [2021-04-29 07:52:33,326 INFO L241 Difference]: Finished difference. Result has 123 places, 223 transitions, 3056 flow [2021-04-29 07:52:33,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=1691, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3056, PETRI_PLACES=123, PETRI_TRANSITIONS=223} [2021-04-29 07:52:33,326 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 92 predicate places. [2021-04-29 07:52:33,327 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:33,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 223 transitions, 3056 flow [2021-04-29 07:52:33,327 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 223 transitions, 3056 flow [2021-04-29 07:52:33,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 223 transitions, 3056 flow [2021-04-29 07:52:33,431 INFO L129 PetriNetUnfolder]: 264/627 cut-off events. [2021-04-29 07:52:33,431 INFO L130 PetriNetUnfolder]: For 7990/8027 co-relation queries the response was YES. [2021-04-29 07:52:33,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4145 conditions, 627 events. 264/627 cut-off events. For 7990/8027 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4049 event pairs, 6 based on Foata normal form. 8/634 useless extension candidates. Maximal degree in co-relation 4058. Up to 213 conditions per place. [2021-04-29 07:52:33,446 INFO L146 LiptonReduction]: Number of co-enabled transitions 464 [2021-04-29 07:52:33,471 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:33,471 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:33,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 144 [2021-04-29 07:52:33,472 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 223 transitions, 3056 flow [2021-04-29 07:52:33,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:33,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:33,473 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:33,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-04-29 07:52:33,686 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:33,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:33,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1225357816, now seen corresponding path program 11 times [2021-04-29 07:52:33,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:33,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687038225] [2021-04-29 07:52:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:33,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:33,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:33,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:33,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:33,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687038225] [2021-04-29 07:52:33,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893641748] [2021-04-29 07:52:33,723 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:33,778 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:52:33,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:33,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:33,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:33,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:33,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:33,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:33,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:33,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:33,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:33,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:33,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:33,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:33,870 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:52:33,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:33,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:33,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:33,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:33,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:33,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:33,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:33,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 07:52:33,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310121327] [2021-04-29 07:52:33,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:52:33,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:33,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:52:33,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:52:33,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 40 [2021-04-29 07:52:33,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 223 transitions, 3056 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:33,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:33,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 40 [2021-04-29 07:52:33,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:34,254 INFO L129 PetriNetUnfolder]: 409/942 cut-off events. [2021-04-29 07:52:34,255 INFO L130 PetriNetUnfolder]: For 16995/17138 co-relation queries the response was YES. [2021-04-29 07:52:34,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7175 conditions, 942 events. 409/942 cut-off events. For 16995/17138 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6285 event pairs, 23 based on Foata normal form. 38/975 useless extension candidates. Maximal degree in co-relation 7071. Up to 355 conditions per place. [2021-04-29 07:52:34,279 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 111 selfloop transitions, 147 changer transitions 1/313 dead transitions. [2021-04-29 07:52:34,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 313 transitions, 5174 flow [2021-04-29 07:52:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:52:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:52:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 278 transitions. [2021-04-29 07:52:34,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6318181818181818 [2021-04-29 07:52:34,282 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 278 transitions. [2021-04-29 07:52:34,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 278 transitions. [2021-04-29 07:52:34,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:34,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 278 transitions. [2021-04-29 07:52:34,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 25.272727272727273) internal successors, (278), 11 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:34,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:52:34,285 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:52:34,285 INFO L185 Difference]: Start difference. First operand has 123 places, 223 transitions, 3056 flow. Second operand 11 states and 278 transitions. [2021-04-29 07:52:34,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 313 transitions, 5174 flow [2021-04-29 07:52:34,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 313 transitions, 4808 flow, removed 183 selfloop flow, removed 0 redundant places. [2021-04-29 07:52:34,401 INFO L241 Difference]: Finished difference. Result has 140 places, 297 transitions, 4634 flow [2021-04-29 07:52:34,402 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=2848, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4634, PETRI_PLACES=140, PETRI_TRANSITIONS=297} [2021-04-29 07:52:34,402 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 109 predicate places. [2021-04-29 07:52:34,402 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:34,402 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 297 transitions, 4634 flow [2021-04-29 07:52:34,402 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 297 transitions, 4634 flow [2021-04-29 07:52:34,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 297 transitions, 4634 flow [2021-04-29 07:52:34,569 INFO L129 PetriNetUnfolder]: 373/871 cut-off events. [2021-04-29 07:52:34,569 INFO L130 PetriNetUnfolder]: For 11892/12068 co-relation queries the response was YES. [2021-04-29 07:52:34,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6024 conditions, 871 events. 373/871 cut-off events. For 11892/12068 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 5901 event pairs, 13 based on Foata normal form. 10/872 useless extension candidates. Maximal degree in co-relation 5909. Up to 344 conditions per place. [2021-04-29 07:52:34,592 INFO L146 LiptonReduction]: Number of co-enabled transitions 512 [2021-04-29 07:52:34,633 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:34,633 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:34,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 231 [2021-04-29 07:52:34,634 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 297 transitions, 4634 flow [2021-04-29 07:52:34,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:34,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:34,635 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:34,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-04-29 07:52:34,849 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:34,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:34,849 INFO L82 PathProgramCache]: Analyzing trace with hash 2025828528, now seen corresponding path program 12 times [2021-04-29 07:52:34,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:34,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238856610] [2021-04-29 07:52:34,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:34,863 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:34,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:34,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:34,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:34,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:34,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:34,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238856610] [2021-04-29 07:52:34,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100497105] [2021-04-29 07:52:34,897 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 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 [2021-04-29 07:52:34,939 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:52:34,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:34,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:34,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:34,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:34,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:34,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:34,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:34,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:34,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:34,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:34,994 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:52:34,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:34,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:34,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:34,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:34,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:35,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:35,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:35,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:35,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:35,006 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:52:35,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:35,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:35,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:35,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:35,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:35,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:35,011 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:52:35,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:35,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:35,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:35,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:52:35,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695638050] [2021-04-29 07:52:35,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:35,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:35,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:35,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:35,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:35,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 297 transitions, 4634 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:35,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:35,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:35,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:35,618 INFO L129 PetriNetUnfolder]: 525/1210 cut-off events. [2021-04-29 07:52:35,618 INFO L130 PetriNetUnfolder]: For 19122/19160 co-relation queries the response was YES. [2021-04-29 07:52:35,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9247 conditions, 1210 events. 525/1210 cut-off events. For 19122/19160 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 8470 event pairs, 31 based on Foata normal form. 40/1250 useless extension candidates. Maximal degree in co-relation 9119. Up to 418 conditions per place. [2021-04-29 07:52:35,645 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 231 selfloop transitions, 155 changer transitions 3/396 dead transitions. [2021-04-29 07:52:35,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 396 transitions, 7029 flow [2021-04-29 07:52:35,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 07:52:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 07:52:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 331 transitions. [2021-04-29 07:52:35,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48676470588235293 [2021-04-29 07:52:35,648 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 331 transitions. [2021-04-29 07:52:35,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 331 transitions. [2021-04-29 07:52:35,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:35,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 331 transitions. [2021-04-29 07:52:35,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 19.470588235294116) internal successors, (331), 17 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:35,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:35,651 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:35,652 INFO L185 Difference]: Start difference. First operand has 140 places, 297 transitions, 4634 flow. Second operand 17 states and 331 transitions. [2021-04-29 07:52:35,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 396 transitions, 7029 flow [2021-04-29 07:52:35,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 396 transitions, 6771 flow, removed 129 selfloop flow, removed 0 redundant places. [2021-04-29 07:52:35,772 INFO L241 Difference]: Finished difference. Result has 165 places, 368 transitions, 6207 flow [2021-04-29 07:52:35,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=4411, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6207, PETRI_PLACES=165, PETRI_TRANSITIONS=368} [2021-04-29 07:52:35,773 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 134 predicate places. [2021-04-29 07:52:35,773 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:35,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 368 transitions, 6207 flow [2021-04-29 07:52:35,774 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 368 transitions, 6207 flow [2021-04-29 07:52:35,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 368 transitions, 6207 flow [2021-04-29 07:52:35,975 INFO L129 PetriNetUnfolder]: 426/1033 cut-off events. [2021-04-29 07:52:35,975 INFO L130 PetriNetUnfolder]: For 18348/18470 co-relation queries the response was YES. [2021-04-29 07:52:35,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7695 conditions, 1033 events. 426/1033 cut-off events. For 18348/18470 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 7490 event pairs, 11 based on Foata normal form. 16/1040 useless extension candidates. Maximal degree in co-relation 7550. Up to 389 conditions per place. [2021-04-29 07:52:36,004 INFO L146 LiptonReduction]: Number of co-enabled transitions 568 [2021-04-29 07:52:36,044 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:36,044 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:36,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-04-29 07:52:36,045 INFO L480 AbstractCegarLoop]: Abstraction has has 165 places, 368 transitions, 6207 flow [2021-04-29 07:52:36,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:36,045 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:36,045 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:36,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:36,259 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:36,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:36,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1287250468, now seen corresponding path program 13 times [2021-04-29 07:52:36,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:36,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702279904] [2021-04-29 07:52:36,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:36,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:36,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:36,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:36,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702279904] [2021-04-29 07:52:36,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297884167] [2021-04-29 07:52:36,340 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 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 [2021-04-29 07:52:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:36,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:36,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:36,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:36,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:36,416 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:52:36,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:36,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:36,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:36,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:36,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:36,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:36,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:36,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:36,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:36,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:36,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:36,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:36,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:36,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:36,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:36,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:36,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:36,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:36,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:36,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:36,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:52:36,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762997373] [2021-04-29 07:52:36,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:36,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:36,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:36,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:36,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 368 transitions, 6207 flow. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:36,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:36,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:36,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:37,073 INFO L129 PetriNetUnfolder]: 530/1198 cut-off events. [2021-04-29 07:52:37,073 INFO L130 PetriNetUnfolder]: For 22798/22817 co-relation queries the response was YES. [2021-04-29 07:52:37,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10143 conditions, 1198 events. 530/1198 cut-off events. For 22798/22817 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 8263 event pairs, 52 based on Foata normal form. 21/1219 useless extension candidates. Maximal degree in co-relation 10012. Up to 667 conditions per place. [2021-04-29 07:52:37,104 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 265 selfloop transitions, 129 changer transitions 1/402 dead transitions. [2021-04-29 07:52:37,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 402 transitions, 7608 flow [2021-04-29 07:52:37,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:52:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:52:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 281 transitions. [2021-04-29 07:52:37,106 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5017857142857143 [2021-04-29 07:52:37,106 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 281 transitions. [2021-04-29 07:52:37,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 281 transitions. [2021-04-29 07:52:37,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:37,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 281 transitions. [2021-04-29 07:52:37,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:37,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:37,109 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:37,109 INFO L185 Difference]: Start difference. First operand has 165 places, 368 transitions, 6207 flow. Second operand 14 states and 281 transitions. [2021-04-29 07:52:37,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 402 transitions, 7608 flow [2021-04-29 07:52:37,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 402 transitions, 7130 flow, removed 204 selfloop flow, removed 4 redundant places. [2021-04-29 07:52:37,302 INFO L241 Difference]: Finished difference. Result has 176 places, 369 transitions, 6131 flow [2021-04-29 07:52:37,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=5685, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6131, PETRI_PLACES=176, PETRI_TRANSITIONS=369} [2021-04-29 07:52:37,303 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 145 predicate places. [2021-04-29 07:52:37,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:37,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 369 transitions, 6131 flow [2021-04-29 07:52:37,304 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 369 transitions, 6131 flow [2021-04-29 07:52:37,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 369 transitions, 6131 flow [2021-04-29 07:52:37,500 INFO L129 PetriNetUnfolder]: 431/1058 cut-off events. [2021-04-29 07:52:37,501 INFO L130 PetriNetUnfolder]: For 16635/16768 co-relation queries the response was YES. [2021-04-29 07:52:37,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7745 conditions, 1058 events. 431/1058 cut-off events. For 16635/16768 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 7749 event pairs, 10 based on Foata normal form. 18/1062 useless extension candidates. Maximal degree in co-relation 7629. Up to 388 conditions per place. [2021-04-29 07:52:37,532 INFO L146 LiptonReduction]: Number of co-enabled transitions 582 [2021-04-29 07:52:37,610 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:37,610 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:37,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-04-29 07:52:37,615 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 369 transitions, 6131 flow [2021-04-29 07:52:37,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:37,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:37,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:37,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:37,831 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:37,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:37,833 INFO L82 PathProgramCache]: Analyzing trace with hash 516913189, now seen corresponding path program 2 times [2021-04-29 07:52:37,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:37,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171839929] [2021-04-29 07:52:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:37,847 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:52:37,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:37,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171839929] [2021-04-29 07:52:37,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951664176] [2021-04-29 07:52:37,866 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 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 [2021-04-29 07:52:37,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:52:37,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:37,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 07:52:37,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:37,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:37,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:37,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:37,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:37,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:37,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:37,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:37,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:37,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:37,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:37,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:37,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:37,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:37,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:37,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:37,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:37,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:37,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:37,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-04-29 07:52:37,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877178183] [2021-04-29 07:52:37,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 07:52:37,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:37,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 07:52:37,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 07:52:37,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 40 [2021-04-29 07:52:37,978 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 369 transitions, 6131 flow. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:37,978 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:37,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 40 [2021-04-29 07:52:37,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:38,307 INFO L129 PetriNetUnfolder]: 484/1058 cut-off events. [2021-04-29 07:52:38,307 INFO L130 PetriNetUnfolder]: For 20314/20333 co-relation queries the response was YES. [2021-04-29 07:52:38,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8878 conditions, 1058 events. 484/1058 cut-off events. For 20314/20333 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 6957 event pairs, 48 based on Foata normal form. 47/1105 useless extension candidates. Maximal degree in co-relation 8743. Up to 423 conditions per place. [2021-04-29 07:52:38,331 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 265 selfloop transitions, 124 changer transitions 0/396 dead transitions. [2021-04-29 07:52:38,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 396 transitions, 7457 flow [2021-04-29 07:52:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 07:52:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 07:52:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2021-04-29 07:52:38,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.545 [2021-04-29 07:52:38,333 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 109 transitions. [2021-04-29 07:52:38,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 109 transitions. [2021-04-29 07:52:38,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:38,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 109 transitions. [2021-04-29 07:52:38,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:38,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:38,334 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:38,334 INFO L185 Difference]: Start difference. First operand has 176 places, 369 transitions, 6131 flow. Second operand 5 states and 109 transitions. [2021-04-29 07:52:38,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 396 transitions, 7457 flow [2021-04-29 07:52:38,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 396 transitions, 7156 flow, removed 30 selfloop flow, removed 14 redundant places. [2021-04-29 07:52:38,445 INFO L241 Difference]: Finished difference. Result has 167 places, 357 transitions, 5961 flow [2021-04-29 07:52:38,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=5645, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=5961, PETRI_PLACES=167, PETRI_TRANSITIONS=357} [2021-04-29 07:52:38,446 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 136 predicate places. [2021-04-29 07:52:38,446 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:38,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 357 transitions, 5961 flow [2021-04-29 07:52:38,447 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 357 transitions, 5961 flow [2021-04-29 07:52:38,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 357 transitions, 5961 flow [2021-04-29 07:52:38,580 INFO L129 PetriNetUnfolder]: 403/937 cut-off events. [2021-04-29 07:52:38,580 INFO L130 PetriNetUnfolder]: For 14832/14919 co-relation queries the response was YES. [2021-04-29 07:52:38,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7011 conditions, 937 events. 403/937 cut-off events. For 14832/14919 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 6471 event pairs, 12 based on Foata normal form. 8/933 useless extension candidates. Maximal degree in co-relation 6867. Up to 374 conditions per place. [2021-04-29 07:52:38,601 INFO L146 LiptonReduction]: Number of co-enabled transitions 532 [2021-04-29 07:52:38,654 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:38,655 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:38,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-04-29 07:52:38,655 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 357 transitions, 5961 flow [2021-04-29 07:52:38,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:38,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:38,656 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:38,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-04-29 07:52:38,857 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:38,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:38,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1463233810, now seen corresponding path program 14 times [2021-04-29 07:52:38,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:38,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528169557] [2021-04-29 07:52:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:38,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:38,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:38,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:38,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:38,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528169557] [2021-04-29 07:52:38,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006345697] [2021-04-29 07:52:38,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:38,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:52:38,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:38,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:38,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:38,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:38,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:38,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:38,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:38,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:38,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:38,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:38,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:38,999 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:52:39,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:39,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:39,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:39,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:39,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:39,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:39,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:39,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:39,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:39,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-29 07:52:39,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804485631] [2021-04-29 07:52:39,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:52:39,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:39,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:52:39,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:52:39,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 40 [2021-04-29 07:52:39,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 357 transitions, 5961 flow. Second operand has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:39,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:39,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 40 [2021-04-29 07:52:39,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:39,552 INFO L129 PetriNetUnfolder]: 402/933 cut-off events. [2021-04-29 07:52:39,552 INFO L130 PetriNetUnfolder]: For 17452/17533 co-relation queries the response was YES. [2021-04-29 07:52:39,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7715 conditions, 933 events. 402/933 cut-off events. For 17452/17533 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 6320 event pairs, 11 based on Foata normal form. 41/971 useless extension candidates. Maximal degree in co-relation 7583. Up to 359 conditions per place. [2021-04-29 07:52:39,573 INFO L132 encePairwiseOnDemand]: 35/40 looper letters, 171 selfloop transitions, 137 changer transitions 5/369 dead transitions. [2021-04-29 07:52:39,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 369 transitions, 6884 flow [2021-04-29 07:52:39,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:52:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:52:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 346 transitions. [2021-04-29 07:52:39,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6178571428571429 [2021-04-29 07:52:39,576 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 346 transitions. [2021-04-29 07:52:39,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 346 transitions. [2021-04-29 07:52:39,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:39,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 346 transitions. [2021-04-29 07:52:39,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 24.714285714285715) internal successors, (346), 14 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:39,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:39,582 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:39,582 INFO L185 Difference]: Start difference. First operand has 167 places, 357 transitions, 5961 flow. Second operand 14 states and 346 transitions. [2021-04-29 07:52:39,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 369 transitions, 6884 flow [2021-04-29 07:52:39,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 369 transitions, 6591 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-29 07:52:39,721 INFO L241 Difference]: Finished difference. Result has 177 places, 349 transitions, 5869 flow [2021-04-29 07:52:39,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=5466, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5869, PETRI_PLACES=177, PETRI_TRANSITIONS=349} [2021-04-29 07:52:39,721 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 146 predicate places. [2021-04-29 07:52:39,722 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:39,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 349 transitions, 5869 flow [2021-04-29 07:52:39,722 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 349 transitions, 5869 flow [2021-04-29 07:52:39,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 349 transitions, 5869 flow [2021-04-29 07:52:39,903 INFO L129 PetriNetUnfolder]: 391/911 cut-off events. [2021-04-29 07:52:39,903 INFO L130 PetriNetUnfolder]: For 15348/15440 co-relation queries the response was YES. [2021-04-29 07:52:39,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6946 conditions, 911 events. 391/911 cut-off events. For 15348/15440 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 6199 event pairs, 12 based on Foata normal form. 9/914 useless extension candidates. Maximal degree in co-relation 6798. Up to 360 conditions per place. [2021-04-29 07:52:39,925 INFO L146 LiptonReduction]: Number of co-enabled transitions 518 [2021-04-29 07:52:39,960 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:39,960 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:39,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-04-29 07:52:39,961 INFO L480 AbstractCegarLoop]: Abstraction has has 176 places, 349 transitions, 5869 flow [2021-04-29 07:52:39,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.1) internal successors, (231), 10 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:39,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:39,961 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:40,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:40,174 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:40,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1564977878, now seen corresponding path program 15 times [2021-04-29 07:52:40,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:40,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686319732] [2021-04-29 07:52:40,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:40,190 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:40,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:40,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:40,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686319732] [2021-04-29 07:52:40,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048444217] [2021-04-29 07:52:40,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:40,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-29 07:52:40,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:40,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:40,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:40,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:40,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:40,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:40,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:40,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:40,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:40,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:40,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:40,328 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:40,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:40,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:40,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:40,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:40,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:40,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:40,349 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:40,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:40,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:40,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:40,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:40,358 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:52:40,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:40,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:40,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:40,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:52:40,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459527990] [2021-04-29 07:52:40,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:52:40,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:40,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:52:40,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:52:40,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:40,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 349 transitions, 5869 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:40,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:40,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:40,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:41,266 INFO L129 PetriNetUnfolder]: 742/1758 cut-off events. [2021-04-29 07:52:41,267 INFO L130 PetriNetUnfolder]: For 41988/42026 co-relation queries the response was YES. [2021-04-29 07:52:41,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15481 conditions, 1758 events. 742/1758 cut-off events. For 41988/42026 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 13748 event pairs, 24 based on Foata normal form. 44/1802 useless extension candidates. Maximal degree in co-relation 15266. Up to 624 conditions per place. [2021-04-29 07:52:41,294 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 274 selfloop transitions, 284 changer transitions 1/566 dead transitions. [2021-04-29 07:52:41,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 566 transitions, 11398 flow [2021-04-29 07:52:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-04-29 07:52:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-04-29 07:52:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 528 transitions. [2021-04-29 07:52:41,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5076923076923077 [2021-04-29 07:52:41,298 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 528 transitions. [2021-04-29 07:52:41,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 528 transitions. [2021-04-29 07:52:41,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:41,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 528 transitions. [2021-04-29 07:52:41,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 20.307692307692307) internal successors, (528), 26 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:41,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 40.0) internal successors, (1080), 27 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:41,303 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 40.0) internal successors, (1080), 27 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:41,303 INFO L185 Difference]: Start difference. First operand has 176 places, 349 transitions, 5869 flow. Second operand 26 states and 528 transitions. [2021-04-29 07:52:41,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 566 transitions, 11398 flow [2021-04-29 07:52:41,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 566 transitions, 10799 flow, removed 241 selfloop flow, removed 8 redundant places. [2021-04-29 07:52:41,487 INFO L241 Difference]: Finished difference. Result has 205 places, 499 transitions, 9433 flow [2021-04-29 07:52:41,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=5571, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=9433, PETRI_PLACES=205, PETRI_TRANSITIONS=499} [2021-04-29 07:52:41,488 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 174 predicate places. [2021-04-29 07:52:41,488 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:41,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 499 transitions, 9433 flow [2021-04-29 07:52:41,488 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 499 transitions, 9433 flow [2021-04-29 07:52:41,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 499 transitions, 9433 flow [2021-04-29 07:52:41,777 INFO L129 PetriNetUnfolder]: 638/1634 cut-off events. [2021-04-29 07:52:41,777 INFO L130 PetriNetUnfolder]: For 42676/42742 co-relation queries the response was YES. [2021-04-29 07:52:41,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13705 conditions, 1634 events. 638/1634 cut-off events. For 42676/42742 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 13500 event pairs, 31 based on Foata normal form. 3/1627 useless extension candidates. Maximal degree in co-relation 13534. Up to 584 conditions per place. [2021-04-29 07:52:41,803 INFO L146 LiptonReduction]: Number of co-enabled transitions 762 [2021-04-29 07:52:41,844 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:41,844 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:41,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 356 [2021-04-29 07:52:41,845 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 499 transitions, 9433 flow [2021-04-29 07:52:41,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:41,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:41,845 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:42,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-04-29 07:52:42,048 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:42,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:42,049 INFO L82 PathProgramCache]: Analyzing trace with hash 709671224, now seen corresponding path program 16 times [2021-04-29 07:52:42,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:42,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049838505] [2021-04-29 07:52:42,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:42,068 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:42,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:42,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:42,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:42,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:42,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049838505] [2021-04-29 07:52:42,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415218158] [2021-04-29 07:52:42,100 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:42,135 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:52:42,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:42,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:42,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:42,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:42,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:42,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:42,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:42,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:42,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:42,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:42,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:42,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:42,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:42,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:42,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:42,210 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:42,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:42,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:42,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:42,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:42,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:42,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:42,218 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:52:42,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:42,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:42,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:42,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:42,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:42,224 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:52:42,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:42,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:42,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:42,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:52:42,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602701932] [2021-04-29 07:52:42,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:52:42,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:42,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:52:42,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:52:42,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:42,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 499 transitions, 9433 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:42,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:42,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:42,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:43,364 INFO L129 PetriNetUnfolder]: 742/1809 cut-off events. [2021-04-29 07:52:43,365 INFO L130 PetriNetUnfolder]: For 52124/52143 co-relation queries the response was YES. [2021-04-29 07:52:43,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16838 conditions, 1809 events. 742/1809 cut-off events. For 52124/52143 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 14579 event pairs, 34 based on Foata normal form. 29/1838 useless extension candidates. Maximal degree in co-relation 16544. Up to 629 conditions per place. [2021-04-29 07:52:43,393 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 277 selfloop transitions, 325 changer transitions 1/610 dead transitions. [2021-04-29 07:52:43,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 610 transitions, 13183 flow [2021-04-29 07:52:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-04-29 07:52:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-04-29 07:52:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 601 transitions. [2021-04-29 07:52:43,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5008333333333334 [2021-04-29 07:52:43,396 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 601 transitions. [2021-04-29 07:52:43,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 601 transitions. [2021-04-29 07:52:43,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:43,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 601 transitions. [2021-04-29 07:52:43,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 20.033333333333335) internal successors, (601), 30 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:43,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 40.0) internal successors, (1240), 31 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:43,401 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 40.0) internal successors, (1240), 31 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:43,402 INFO L185 Difference]: Start difference. First operand has 205 places, 499 transitions, 9433 flow. Second operand 30 states and 601 transitions. [2021-04-29 07:52:43,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 610 transitions, 13183 flow [2021-04-29 07:52:43,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 610 transitions, 11187 flow, removed 953 selfloop flow, removed 6 redundant places. [2021-04-29 07:52:43,799 INFO L241 Difference]: Finished difference. Result has 241 places, 556 transitions, 10053 flow [2021-04-29 07:52:43,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=7899, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=10053, PETRI_PLACES=241, PETRI_TRANSITIONS=556} [2021-04-29 07:52:43,800 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 210 predicate places. [2021-04-29 07:52:43,800 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:43,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 241 places, 556 transitions, 10053 flow [2021-04-29 07:52:43,800 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 241 places, 556 transitions, 10053 flow [2021-04-29 07:52:43,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 241 places, 556 transitions, 10053 flow [2021-04-29 07:52:44,096 INFO L129 PetriNetUnfolder]: 658/1684 cut-off events. [2021-04-29 07:52:44,096 INFO L130 PetriNetUnfolder]: For 32511/32580 co-relation queries the response was YES. [2021-04-29 07:52:44,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12926 conditions, 1684 events. 658/1684 cut-off events. For 32511/32580 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 14021 event pairs, 6 based on Foata normal form. 4/1679 useless extension candidates. Maximal degree in co-relation 12755. Up to 487 conditions per place. [2021-04-29 07:52:44,125 INFO L146 LiptonReduction]: Number of co-enabled transitions 782 [2021-04-29 07:52:44,179 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:44,179 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:44,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 379 [2021-04-29 07:52:44,180 INFO L480 AbstractCegarLoop]: Abstraction has has 241 places, 556 transitions, 10053 flow [2021-04-29 07:52:44,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:44,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:44,180 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:44,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-04-29 07:52:44,396 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:44,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1711449742, now seen corresponding path program 17 times [2021-04-29 07:52:44,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:44,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241915261] [2021-04-29 07:52:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:44,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:44,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:44,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:44,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241915261] [2021-04-29 07:52:44,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054351313] [2021-04-29 07:52:44,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:44,496 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:52:44,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:44,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:44,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:44,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:44,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:44,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:44,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:44,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:44,593 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:44,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:44,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:44,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:44,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:44,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:52:44,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:44,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:44,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:44,636 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:44,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:44,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:44,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:44,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:52:44,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066351034] [2021-04-29 07:52:44,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:52:44,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:44,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:52:44,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:52:44,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:44,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 556 transitions, 10053 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:44,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:44,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:44,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:45,465 INFO L129 PetriNetUnfolder]: 738/1801 cut-off events. [2021-04-29 07:52:45,465 INFO L130 PetriNetUnfolder]: For 37789/37815 co-relation queries the response was YES. [2021-04-29 07:52:45,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15303 conditions, 1801 events. 738/1801 cut-off events. For 37789/37815 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14506 event pairs, 29 based on Foata normal form. 24/1825 useless extension candidates. Maximal degree in co-relation 15033. Up to 797 conditions per place. [2021-04-29 07:52:45,500 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 331 selfloop transitions, 268 changer transitions 0/606 dead transitions. [2021-04-29 07:52:45,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 606 transitions, 12329 flow [2021-04-29 07:52:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 07:52:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 07:52:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 309 transitions. [2021-04-29 07:52:45,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.515 [2021-04-29 07:52:45,505 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 309 transitions. [2021-04-29 07:52:45,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 309 transitions. [2021-04-29 07:52:45,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:45,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 309 transitions. [2021-04-29 07:52:45,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 20.6) internal successors, (309), 15 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:45,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:45,530 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:45,531 INFO L185 Difference]: Start difference. First operand has 241 places, 556 transitions, 10053 flow. Second operand 15 states and 309 transitions. [2021-04-29 07:52:45,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 606 transitions, 12329 flow [2021-04-29 07:52:45,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 606 transitions, 11518 flow, removed 343 selfloop flow, removed 11 redundant places. [2021-04-29 07:52:45,901 INFO L241 Difference]: Finished difference. Result has 248 places, 570 transitions, 10380 flow [2021-04-29 07:52:45,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=9432, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10380, PETRI_PLACES=248, PETRI_TRANSITIONS=570} [2021-04-29 07:52:45,902 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 217 predicate places. [2021-04-29 07:52:45,902 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:45,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 570 transitions, 10380 flow [2021-04-29 07:52:45,902 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 570 transitions, 10380 flow [2021-04-29 07:52:45,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 248 places, 570 transitions, 10380 flow [2021-04-29 07:52:46,160 INFO L129 PetriNetUnfolder]: 659/1690 cut-off events. [2021-04-29 07:52:46,160 INFO L130 PetriNetUnfolder]: For 25884/25925 co-relation queries the response was YES. [2021-04-29 07:52:46,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12340 conditions, 1690 events. 659/1690 cut-off events. For 25884/25925 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 14061 event pairs, 7 based on Foata normal form. 4/1688 useless extension candidates. Maximal degree in co-relation 12165. Up to 485 conditions per place. [2021-04-29 07:52:46,240 INFO L146 LiptonReduction]: Number of co-enabled transitions 794 [2021-04-29 07:52:46,298 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:46,298 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:46,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-04-29 07:52:46,299 INFO L480 AbstractCegarLoop]: Abstraction has has 248 places, 570 transitions, 10380 flow [2021-04-29 07:52:46,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:46,299 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:46,300 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:46,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-04-29 07:52:46,511 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:46,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:46,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1797254866, now seen corresponding path program 18 times [2021-04-29 07:52:46,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:46,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265732579] [2021-04-29 07:52:46,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:46,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:46,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:46,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:46,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:46,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:46,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265732579] [2021-04-29 07:52:46,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961698366] [2021-04-29 07:52:46,568 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:46,602 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:52:46,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:46,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:46,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:46,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:46,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:46,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:46,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:46,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:46,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:46,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:46,711 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:46,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:46,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:46,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:46,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:46,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:46,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:46,725 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:46,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:46,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:46,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:46,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:52:46,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124403540] [2021-04-29 07:52:46,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:52:46,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:46,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:52:46,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:52:46,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:46,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 570 transitions, 10380 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:46,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:46,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:46,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:47,783 INFO L129 PetriNetUnfolder]: 744/1838 cut-off events. [2021-04-29 07:52:47,783 INFO L130 PetriNetUnfolder]: For 29000/29038 co-relation queries the response was YES. [2021-04-29 07:52:47,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14686 conditions, 1838 events. 744/1838 cut-off events. For 29000/29038 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 14932 event pairs, 28 based on Foata normal form. 50/1888 useless extension candidates. Maximal degree in co-relation 14415. Up to 725 conditions per place. [2021-04-29 07:52:47,810 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 347 selfloop transitions, 286 changer transitions 0/640 dead transitions. [2021-04-29 07:52:47,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 640 transitions, 13012 flow [2021-04-29 07:52:47,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 07:52:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 07:52:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 352 transitions. [2021-04-29 07:52:47,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5176470588235295 [2021-04-29 07:52:47,812 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 352 transitions. [2021-04-29 07:52:47,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 352 transitions. [2021-04-29 07:52:47,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:47,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 352 transitions. [2021-04-29 07:52:47,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 20.705882352941178) internal successors, (352), 17 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:47,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:47,816 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:47,816 INFO L185 Difference]: Start difference. First operand has 248 places, 570 transitions, 10380 flow. Second operand 17 states and 352 transitions. [2021-04-29 07:52:47,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 640 transitions, 13012 flow [2021-04-29 07:52:48,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 640 transitions, 12650 flow, removed 45 selfloop flow, removed 7 redundant places. [2021-04-29 07:52:48,155 INFO L241 Difference]: Finished difference. Result has 261 places, 589 transitions, 11174 flow [2021-04-29 07:52:48,156 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=10035, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=267, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11174, PETRI_PLACES=261, PETRI_TRANSITIONS=589} [2021-04-29 07:52:48,156 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 230 predicate places. [2021-04-29 07:52:48,156 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:48,156 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 261 places, 589 transitions, 11174 flow [2021-04-29 07:52:48,156 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 261 places, 589 transitions, 11174 flow [2021-04-29 07:52:48,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 261 places, 589 transitions, 11174 flow [2021-04-29 07:52:48,434 INFO L129 PetriNetUnfolder]: 667/1721 cut-off events. [2021-04-29 07:52:48,434 INFO L130 PetriNetUnfolder]: For 27577/27623 co-relation queries the response was YES. [2021-04-29 07:52:48,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13009 conditions, 1721 events. 667/1721 cut-off events. For 27577/27623 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 14480 event pairs, 7 based on Foata normal form. 3/1715 useless extension candidates. Maximal degree in co-relation 12825. Up to 485 conditions per place. [2021-04-29 07:52:48,465 INFO L146 LiptonReduction]: Number of co-enabled transitions 824 [2021-04-29 07:52:48,529 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:48,529 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:48,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 373 [2021-04-29 07:52:48,530 INFO L480 AbstractCegarLoop]: Abstraction has has 261 places, 589 transitions, 11174 flow [2021-04-29 07:52:48,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:48,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:48,530 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:48,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-04-29 07:52:48,744 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:48,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:48,745 INFO L82 PathProgramCache]: Analyzing trace with hash -156933704, now seen corresponding path program 19 times [2021-04-29 07:52:48,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:48,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487012864] [2021-04-29 07:52:48,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:48,759 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:48,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:48,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:48,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:48,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:48,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487012864] [2021-04-29 07:52:48,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892068135] [2021-04-29 07:52:48,793 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:48,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:48,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:48,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:48,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:48,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:48,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:48,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:48,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:48,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:48,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:48,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:48,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:48,937 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:48,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:48,950 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:48,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:48,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:48,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:52:48,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955956849] [2021-04-29 07:52:48,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:52:48,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:48,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:52:48,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:52:48,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:48,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 589 transitions, 11174 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:48,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:48,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:48,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:49,895 INFO L129 PetriNetUnfolder]: 750/1834 cut-off events. [2021-04-29 07:52:49,896 INFO L130 PetriNetUnfolder]: For 30154/30192 co-relation queries the response was YES. [2021-04-29 07:52:49,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15242 conditions, 1834 events. 750/1834 cut-off events. For 30154/30192 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 14810 event pairs, 33 based on Foata normal form. 46/1880 useless extension candidates. Maximal degree in co-relation 14969. Up to 806 conditions per place. [2021-04-29 07:52:49,922 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 341 selfloop transitions, 283 changer transitions 0/631 dead transitions. [2021-04-29 07:52:49,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 631 transitions, 13194 flow [2021-04-29 07:52:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:52:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:52:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 331 transitions. [2021-04-29 07:52:49,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5171875 [2021-04-29 07:52:49,924 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 331 transitions. [2021-04-29 07:52:49,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 331 transitions. [2021-04-29 07:52:49,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:49,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 331 transitions. [2021-04-29 07:52:49,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.6875) internal successors, (331), 16 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:49,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:49,927 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:49,927 INFO L185 Difference]: Start difference. First operand has 261 places, 589 transitions, 11174 flow. Second operand 16 states and 331 transitions. [2021-04-29 07:52:49,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 631 transitions, 13194 flow [2021-04-29 07:52:50,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 631 transitions, 12873 flow, removed 56 selfloop flow, removed 8 redundant places. [2021-04-29 07:52:50,229 INFO L241 Difference]: Finished difference. Result has 271 places, 593 transitions, 11702 flow [2021-04-29 07:52:50,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=10816, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=275, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=11702, PETRI_PLACES=271, PETRI_TRANSITIONS=593} [2021-04-29 07:52:50,230 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 240 predicate places. [2021-04-29 07:52:50,230 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:50,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 271 places, 593 transitions, 11702 flow [2021-04-29 07:52:50,230 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 271 places, 593 transitions, 11702 flow [2021-04-29 07:52:50,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 271 places, 593 transitions, 11702 flow [2021-04-29 07:52:50,568 INFO L129 PetriNetUnfolder]: 670/1719 cut-off events. [2021-04-29 07:52:50,568 INFO L130 PetriNetUnfolder]: For 29522/29573 co-relation queries the response was YES. [2021-04-29 07:52:50,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13347 conditions, 1719 events. 670/1719 cut-off events. For 29522/29573 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 14434 event pairs, 7 based on Foata normal form. 10/1722 useless extension candidates. Maximal degree in co-relation 13162. Up to 456 conditions per place. [2021-04-29 07:52:50,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 844 [2021-04-29 07:52:50,662 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:50,663 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:50,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 433 [2021-04-29 07:52:50,663 INFO L480 AbstractCegarLoop]: Abstraction has has 271 places, 593 transitions, 11702 flow [2021-04-29 07:52:50,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:50,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:50,664 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:50,872 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-04-29 07:52:50,873 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:50,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:50,873 INFO L82 PathProgramCache]: Analyzing trace with hash -31532612, now seen corresponding path program 20 times [2021-04-29 07:52:50,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:50,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991833278] [2021-04-29 07:52:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:50,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:50,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:50,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:50,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:50,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991833278] [2021-04-29 07:52:50,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921899619] [2021-04-29 07:52:50,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:50,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:52:50,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:50,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:50,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:50,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:50,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:50,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:50,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:50,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:50,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:50,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:50,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:50,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:50,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:51,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:51,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:51,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:51,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:52:51,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:51,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:51,040 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:52:51,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:51,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:51,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:52:51,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:52:51,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:51,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:51,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:51,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:51,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:51,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:51,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:51,066 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:51,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:51,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:51,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:51,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:52:51,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327991862] [2021-04-29 07:52:51,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:52:51,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:51,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:52:51,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:52:51,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:51,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 593 transitions, 11702 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:51,072 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:51,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:51,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:52,094 INFO L129 PetriNetUnfolder]: 746/1840 cut-off events. [2021-04-29 07:52:52,094 INFO L130 PetriNetUnfolder]: For 31919/31938 co-relation queries the response was YES. [2021-04-29 07:52:52,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15450 conditions, 1840 events. 746/1840 cut-off events. For 31919/31938 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14975 event pairs, 24 based on Foata normal form. 23/1863 useless extension candidates. Maximal degree in co-relation 15181. Up to 780 conditions per place. [2021-04-29 07:52:52,123 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 339 selfloop transitions, 303 changer transitions 0/649 dead transitions. [2021-04-29 07:52:52,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 649 transitions, 14096 flow [2021-04-29 07:52:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 07:52:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 07:52:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 426 transitions. [2021-04-29 07:52:52,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5071428571428571 [2021-04-29 07:52:52,126 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 426 transitions. [2021-04-29 07:52:52,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 426 transitions. [2021-04-29 07:52:52,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:52,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 426 transitions. [2021-04-29 07:52:52,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 20.285714285714285) internal successors, (426), 21 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:52,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:52,129 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:52,130 INFO L185 Difference]: Start difference. First operand has 271 places, 593 transitions, 11702 flow. Second operand 21 states and 426 transitions. [2021-04-29 07:52:52,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 649 transitions, 14096 flow [2021-04-29 07:52:52,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 649 transitions, 13758 flow, removed 27 selfloop flow, removed 11 redundant places. [2021-04-29 07:52:52,410 INFO L241 Difference]: Finished difference. Result has 286 places, 603 transitions, 12497 flow [2021-04-29 07:52:52,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=11261, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=12497, PETRI_PLACES=286, PETRI_TRANSITIONS=603} [2021-04-29 07:52:52,410 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 255 predicate places. [2021-04-29 07:52:52,410 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:52,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 603 transitions, 12497 flow [2021-04-29 07:52:52,411 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 603 transitions, 12497 flow [2021-04-29 07:52:52,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 286 places, 603 transitions, 12497 flow [2021-04-29 07:52:52,688 INFO L129 PetriNetUnfolder]: 662/1702 cut-off events. [2021-04-29 07:52:52,688 INFO L130 PetriNetUnfolder]: For 31270/31341 co-relation queries the response was YES. [2021-04-29 07:52:52,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13485 conditions, 1702 events. 662/1702 cut-off events. For 31270/31341 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 14290 event pairs, 6 based on Foata normal form. 3/1692 useless extension candidates. Maximal degree in co-relation 13228. Up to 449 conditions per place. [2021-04-29 07:52:52,720 INFO L146 LiptonReduction]: Number of co-enabled transitions 866 [2021-04-29 07:52:52,789 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:52,789 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:52,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 379 [2021-04-29 07:52:52,789 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 603 transitions, 12497 flow [2021-04-29 07:52:52,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:52,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:52,790 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:52,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:52,996 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:52,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:52,997 INFO L82 PathProgramCache]: Analyzing trace with hash 4864433, now seen corresponding path program 3 times [2021-04-29 07:52:52,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:52,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889640222] [2021-04-29 07:52:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:53,012 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-04-29 07:52:53,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:53,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889640222] [2021-04-29 07:52:53,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943532884] [2021-04-29 07:52:53,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:53,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:52:53,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:53,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-29 07:52:53,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:53,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:53,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:53,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:53,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:53,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:53,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:53,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:52:53,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:53,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:53,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:53,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:53,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:53,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:53,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:53,123 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:53,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:53,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-29 07:52:53,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:53,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-04-29 07:52:53,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132879782] [2021-04-29 07:52:53,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 07:52:53,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:53,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 07:52:53,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 07:52:53,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2021-04-29 07:52:53,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 603 transitions, 12497 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:53,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:53,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2021-04-29 07:52:53,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:53,861 INFO L129 PetriNetUnfolder]: 767/1848 cut-off events. [2021-04-29 07:52:53,861 INFO L130 PetriNetUnfolder]: For 34673/34711 co-relation queries the response was YES. [2021-04-29 07:52:53,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16159 conditions, 1848 events. 767/1848 cut-off events. For 34673/34711 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 14787 event pairs, 41 based on Foata normal form. 36/1884 useless extension candidates. Maximal degree in co-relation 15877. Up to 1367 conditions per place. [2021-04-29 07:52:53,886 INFO L132 encePairwiseOnDemand]: 36/40 looper letters, 565 selfloop transitions, 53 changer transitions 5/629 dead transitions. [2021-04-29 07:52:53,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 629 transitions, 14201 flow [2021-04-29 07:52:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 07:52:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 07:52:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 99 transitions. [2021-04-29 07:52:53,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.495 [2021-04-29 07:52:53,888 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 99 transitions. [2021-04-29 07:52:53,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 99 transitions. [2021-04-29 07:52:53,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:53,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 99 transitions. [2021-04-29 07:52:53,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:53,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:53,889 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:53,889 INFO L185 Difference]: Start difference. First operand has 286 places, 603 transitions, 12497 flow. Second operand 5 states and 99 transitions. [2021-04-29 07:52:53,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 629 transitions, 14201 flow [2021-04-29 07:52:54,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 629 transitions, 13835 flow, removed 61 selfloop flow, removed 12 redundant places. [2021-04-29 07:52:54,212 INFO L241 Difference]: Finished difference. Result has 278 places, 608 transitions, 12367 flow [2021-04-29 07:52:54,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=12033, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=12367, PETRI_PLACES=278, PETRI_TRANSITIONS=608} [2021-04-29 07:52:54,212 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 247 predicate places. [2021-04-29 07:52:54,212 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:54,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 278 places, 608 transitions, 12367 flow [2021-04-29 07:52:54,213 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 278 places, 608 transitions, 12367 flow [2021-04-29 07:52:54,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 275 places, 608 transitions, 12367 flow [2021-04-29 07:52:54,499 INFO L129 PetriNetUnfolder]: 674/1685 cut-off events. [2021-04-29 07:52:54,499 INFO L130 PetriNetUnfolder]: For 29857/29921 co-relation queries the response was YES. [2021-04-29 07:52:54,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13423 conditions, 1685 events. 674/1685 cut-off events. For 29857/29921 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 13828 event pairs, 9 based on Foata normal form. 6/1681 useless extension candidates. Maximal degree in co-relation 13161. Up to 465 conditions per place. [2021-04-29 07:52:54,541 INFO L146 LiptonReduction]: Number of co-enabled transitions 848 [2021-04-29 07:52:54,649 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:54,649 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:54,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 438 [2021-04-29 07:52:54,650 INFO L480 AbstractCegarLoop]: Abstraction has has 275 places, 608 transitions, 12367 flow [2021-04-29 07:52:54,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:54,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:54,650 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:54,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-04-29 07:52:54,851 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:54,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:54,852 INFO L82 PathProgramCache]: Analyzing trace with hash 4382450, now seen corresponding path program 21 times [2021-04-29 07:52:54,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:54,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385844736] [2021-04-29 07:52:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:54,867 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:54,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:54,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:54,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385844736] [2021-04-29 07:52:54,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564295037] [2021-04-29 07:52:54,897 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:54,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:52:54,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:54,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:54,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:54,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:54,954 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:52:54,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:54,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:54,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:54,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:54,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:54,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:54,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:54,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:54,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:54,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:54,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:54,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:54,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:54,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:54,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:54,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:54,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-04-29 07:52:54,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464627885] [2021-04-29 07:52:54,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:52:54,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:54,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:52:54,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:52:54,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:52:54,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 608 transitions, 12367 flow. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:54,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:54,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:52:54,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:55,834 INFO L129 PetriNetUnfolder]: 813/1998 cut-off events. [2021-04-29 07:52:55,835 INFO L130 PetriNetUnfolder]: For 35254/35292 co-relation queries the response was YES. [2021-04-29 07:52:55,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17429 conditions, 1998 events. 813/1998 cut-off events. For 35254/35292 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 16492 event pairs, 33 based on Foata normal form. 36/2034 useless extension candidates. Maximal degree in co-relation 17149. Up to 1190 conditions per place. [2021-04-29 07:52:55,865 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 574 selfloop transitions, 150 changer transitions 0/731 dead transitions. [2021-04-29 07:52:55,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 731 transitions, 16698 flow [2021-04-29 07:52:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:52:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:52:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 261 transitions. [2021-04-29 07:52:55,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5019230769230769 [2021-04-29 07:52:55,866 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 261 transitions. [2021-04-29 07:52:55,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 261 transitions. [2021-04-29 07:52:55,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:55,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 261 transitions. [2021-04-29 07:52:55,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.076923076923077) internal successors, (261), 13 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:55,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:55,868 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:55,868 INFO L185 Difference]: Start difference. First operand has 275 places, 608 transitions, 12367 flow. Second operand 13 states and 261 transitions. [2021-04-29 07:52:55,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 731 transitions, 16698 flow [2021-04-29 07:52:56,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 731 transitions, 16563 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-04-29 07:52:56,265 INFO L241 Difference]: Finished difference. Result has 290 places, 686 transitions, 14928 flow [2021-04-29 07:52:56,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=12232, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14928, PETRI_PLACES=290, PETRI_TRANSITIONS=686} [2021-04-29 07:52:56,266 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 259 predicate places. [2021-04-29 07:52:56,266 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:56,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 686 transitions, 14928 flow [2021-04-29 07:52:56,266 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 686 transitions, 14928 flow [2021-04-29 07:52:56,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 686 transitions, 14928 flow [2021-04-29 07:52:56,603 INFO L129 PetriNetUnfolder]: 724/1858 cut-off events. [2021-04-29 07:52:56,603 INFO L130 PetriNetUnfolder]: For 34326/34395 co-relation queries the response was YES. [2021-04-29 07:52:56,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15090 conditions, 1858 events. 724/1858 cut-off events. For 34326/34395 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 15853 event pairs, 6 based on Foata normal form. 10/1854 useless extension candidates. Maximal degree in co-relation 14824. Up to 501 conditions per place. [2021-04-29 07:52:56,646 INFO L146 LiptonReduction]: Number of co-enabled transitions 998 [2021-04-29 07:52:56,722 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:56,722 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:56,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 456 [2021-04-29 07:52:56,723 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 686 transitions, 14928 flow [2021-04-29 07:52:56,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:56,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:56,723 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:56,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:56,924 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:56,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:56,924 INFO L82 PathProgramCache]: Analyzing trace with hash -561955046, now seen corresponding path program 22 times [2021-04-29 07:52:56,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:56,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207786049] [2021-04-29 07:52:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:56,944 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 07:52:56,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:56,954 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:56,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:56,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:56,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:56,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:56,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:56,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207786049] [2021-04-29 07:52:56,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440766403] [2021-04-29 07:52:56,982 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:52:57,010 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:52:57,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:57,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:57,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:57,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:57,037 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:52:57,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:57,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:57,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:57,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:57,060 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 07:52:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:57,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:57,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:57,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:57,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:57,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:57,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:57,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:57,074 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:52:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:57,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:57,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:52:57,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579804552] [2021-04-29 07:52:57,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:52:57,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:57,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:52:57,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:52:57,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:52:57,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 686 transitions, 14928 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:57,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:57,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:52:57,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:52:58,151 INFO L129 PetriNetUnfolder]: 836/2086 cut-off events. [2021-04-29 07:52:58,151 INFO L130 PetriNetUnfolder]: For 39004/39026 co-relation queries the response was YES. [2021-04-29 07:52:58,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18490 conditions, 2086 events. 836/2086 cut-off events. For 39004/39026 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 17580 event pairs, 46 based on Foata normal form. 23/2109 useless extension candidates. Maximal degree in co-relation 18197. Up to 700 conditions per place. [2021-04-29 07:52:58,178 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 508 selfloop transitions, 235 changer transitions 3/752 dead transitions. [2021-04-29 07:52:58,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 752 transitions, 17852 flow [2021-04-29 07:52:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:52:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:52:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 246 transitions. [2021-04-29 07:52:58,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4392857142857143 [2021-04-29 07:52:58,179 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 246 transitions. [2021-04-29 07:52:58,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 246 transitions. [2021-04-29 07:52:58,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:52:58,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 246 transitions. [2021-04-29 07:52:58,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.571428571428573) internal successors, (246), 14 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:58,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:58,181 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:58,182 INFO L185 Difference]: Start difference. First operand has 290 places, 686 transitions, 14928 flow. Second operand 14 states and 246 transitions. [2021-04-29 07:52:58,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 752 transitions, 17852 flow [2021-04-29 07:52:58,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 752 transitions, 17372 flow, removed 236 selfloop flow, removed 2 redundant places. [2021-04-29 07:52:58,581 INFO L241 Difference]: Finished difference. Result has 307 places, 729 transitions, 16372 flow [2021-04-29 07:52:58,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=14463, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16372, PETRI_PLACES=307, PETRI_TRANSITIONS=729} [2021-04-29 07:52:58,582 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 276 predicate places. [2021-04-29 07:52:58,582 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:52:58,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 729 transitions, 16372 flow [2021-04-29 07:52:58,582 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 729 transitions, 16372 flow [2021-04-29 07:52:58,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 729 transitions, 16372 flow [2021-04-29 07:52:58,944 INFO L129 PetriNetUnfolder]: 746/1965 cut-off events. [2021-04-29 07:52:58,944 INFO L130 PetriNetUnfolder]: For 41339/41418 co-relation queries the response was YES. [2021-04-29 07:52:58,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16252 conditions, 1965 events. 746/1965 cut-off events. For 41339/41418 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 17213 event pairs, 8 based on Foata normal form. 13/1971 useless extension candidates. Maximal degree in co-relation 15962. Up to 520 conditions per place. [2021-04-29 07:52:58,986 INFO L146 LiptonReduction]: Number of co-enabled transitions 1034 [2021-04-29 07:52:59,068 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:52:59,068 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:52:59,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-04-29 07:52:59,069 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 729 transitions, 16372 flow [2021-04-29 07:52:59,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:59,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:52:59,069 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:52:59,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-04-29 07:52:59,270 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:52:59,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:52:59,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1122802674, now seen corresponding path program 23 times [2021-04-29 07:52:59,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:52:59,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657773363] [2021-04-29 07:52:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:52:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:52:59,284 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 07:52:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:59,299 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:52:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:59,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657773363] [2021-04-29 07:52:59,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581270489] [2021-04-29 07:52:59,327 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:52:59,356 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:52:59,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:52:59,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:52:59,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:52:59,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,383 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-04-29 07:52:59,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:59,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:59,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:59,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:59,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:59,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:52:59,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:52:59,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:59,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:52:59,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:52:59,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:59,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:52:59,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:52:59,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:52:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:52:59,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:52:59,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:52:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:52:59,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:52:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:52:59,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:52:59,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-04-29 07:52:59,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000917465] [2021-04-29 07:52:59,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 07:52:59,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:52:59,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 07:52:59,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 07:52:59,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:52:59,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 729 transitions, 16372 flow. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:52:59,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:52:59,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:52:59,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:00,408 INFO L129 PetriNetUnfolder]: 843/2133 cut-off events. [2021-04-29 07:53:00,408 INFO L130 PetriNetUnfolder]: For 44201/44223 co-relation queries the response was YES. [2021-04-29 07:53:00,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19258 conditions, 2133 events. 843/2133 cut-off events. For 44201/44223 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 18185 event pairs, 28 based on Foata normal form. 22/2155 useless extension candidates. Maximal degree in co-relation 18950. Up to 1259 conditions per place. [2021-04-29 07:53:00,445 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 586 selfloop transitions, 191 changer transitions 0/783 dead transitions. [2021-04-29 07:53:00,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 783 transitions, 19060 flow [2021-04-29 07:53:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:53:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:53:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 187 transitions. [2021-04-29 07:53:00,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4675 [2021-04-29 07:53:00,446 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 187 transitions. [2021-04-29 07:53:00,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 187 transitions. [2021-04-29 07:53:00,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:00,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 187 transitions. [2021-04-29 07:53:00,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.7) internal successors, (187), 10 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:00,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:00,448 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:00,448 INFO L185 Difference]: Start difference. First operand has 307 places, 729 transitions, 16372 flow. Second operand 10 states and 187 transitions. [2021-04-29 07:53:00,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 783 transitions, 19060 flow [2021-04-29 07:53:00,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 783 transitions, 18763 flow, removed 125 selfloop flow, removed 4 redundant places. [2021-04-29 07:53:00,961 INFO L241 Difference]: Finished difference. Result has 315 places, 742 transitions, 17105 flow [2021-04-29 07:53:00,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=16105, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=17105, PETRI_PLACES=315, PETRI_TRANSITIONS=742} [2021-04-29 07:53:00,963 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 284 predicate places. [2021-04-29 07:53:00,963 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:00,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 742 transitions, 17105 flow [2021-04-29 07:53:00,964 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 742 transitions, 17105 flow [2021-04-29 07:53:00,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 742 transitions, 17105 flow [2021-04-29 07:53:01,456 INFO L129 PetriNetUnfolder]: 755/2001 cut-off events. [2021-04-29 07:53:01,456 INFO L130 PetriNetUnfolder]: For 43683/43770 co-relation queries the response was YES. [2021-04-29 07:53:01,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16823 conditions, 2001 events. 755/2001 cut-off events. For 43683/43770 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 17686 event pairs, 9 based on Foata normal form. 16/2010 useless extension candidates. Maximal degree in co-relation 16522. Up to 531 conditions per place. [2021-04-29 07:53:01,505 INFO L146 LiptonReduction]: Number of co-enabled transitions 1062 [2021-04-29 07:53:01,592 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:01,592 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:01,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 629 [2021-04-29 07:53:01,593 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 742 transitions, 17105 flow [2021-04-29 07:53:01,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:01,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:01,593 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:01,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:01,802 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:01,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1586841490, now seen corresponding path program 24 times [2021-04-29 07:53:01,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:01,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060777780] [2021-04-29 07:53:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:01,829 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 07:53:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:53:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:01,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:01,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:01,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:01,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060777780] [2021-04-29 07:53:01,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091265351] [2021-04-29 07:53:01,864 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:01,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:53:01,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:01,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:01,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:01,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:01,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:01,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:01,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:01,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:01,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:01,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:01,949 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:01,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:01,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:01,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:01,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:53:01,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:01,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:01,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-04-29 07:53:01,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:01,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:01,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:01,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:53:01,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:01,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:01,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:01,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:01,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:01,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:01,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:01,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:01,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:01,970 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:53:01,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:01,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:01,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:01,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:01,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:53:01,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545138370] [2021-04-29 07:53:01,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:53:01,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:01,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:53:01,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:53:01,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:53:01,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 742 transitions, 17105 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:01,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:01,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:53:01,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:03,365 INFO L129 PetriNetUnfolder]: 1002/2491 cut-off events. [2021-04-29 07:53:03,365 INFO L130 PetriNetUnfolder]: For 57264/57286 co-relation queries the response was YES. [2021-04-29 07:53:03,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23106 conditions, 2491 events. 1002/2491 cut-off events. For 57264/57286 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 21720 event pairs, 30 based on Foata normal form. 21/2512 useless extension candidates. Maximal degree in co-relation 22757. Up to 764 conditions per place. [2021-04-29 07:53:03,486 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 550 selfloop transitions, 405 changer transitions 2/963 dead transitions. [2021-04-29 07:53:03,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 963 transitions, 23903 flow [2021-04-29 07:53:03,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 07:53:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 07:53:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 340 transitions. [2021-04-29 07:53:03,487 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4473684210526316 [2021-04-29 07:53:03,487 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 340 transitions. [2021-04-29 07:53:03,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 340 transitions. [2021-04-29 07:53:03,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:03,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 340 transitions. [2021-04-29 07:53:03,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 17.894736842105264) internal successors, (340), 19 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:03,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 40.0) internal successors, (800), 20 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) [2021-04-29 07:53:03,490 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 40.0) internal successors, (800), 20 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) [2021-04-29 07:53:03,491 INFO L185 Difference]: Start difference. First operand has 315 places, 742 transitions, 17105 flow. Second operand 19 states and 340 transitions. [2021-04-29 07:53:03,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 963 transitions, 23903 flow [2021-04-29 07:53:04,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 963 transitions, 23362 flow, removed 208 selfloop flow, removed 5 redundant places. [2021-04-29 07:53:04,165 INFO L241 Difference]: Finished difference. Result has 336 places, 889 transitions, 21403 flow [2021-04-29 07:53:04,166 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=16682, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=21403, PETRI_PLACES=336, PETRI_TRANSITIONS=889} [2021-04-29 07:53:04,169 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 305 predicate places. [2021-04-29 07:53:04,170 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:04,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 336 places, 889 transitions, 21403 flow [2021-04-29 07:53:04,170 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 336 places, 889 transitions, 21403 flow [2021-04-29 07:53:04,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 336 places, 889 transitions, 21403 flow [2021-04-29 07:53:04,912 INFO L129 PetriNetUnfolder]: 920/2362 cut-off events. [2021-04-29 07:53:04,912 INFO L130 PetriNetUnfolder]: For 57850/57937 co-relation queries the response was YES. [2021-04-29 07:53:04,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20909 conditions, 2362 events. 920/2362 cut-off events. For 57850/57937 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 21186 event pairs, 9 based on Foata normal form. 6/2361 useless extension candidates. Maximal degree in co-relation 20553. Up to 613 conditions per place. [2021-04-29 07:53:04,964 INFO L146 LiptonReduction]: Number of co-enabled transitions 1278 [2021-04-29 07:53:05,146 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:05,146 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:05,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 977 [2021-04-29 07:53:05,147 INFO L480 AbstractCegarLoop]: Abstraction has has 336 places, 889 transitions, 21403 flow [2021-04-29 07:53:05,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:05,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:05,148 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:05,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-04-29 07:53:05,357 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:05,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1963423308, now seen corresponding path program 25 times [2021-04-29 07:53:05,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:05,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133809258] [2021-04-29 07:53:05,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:05,370 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 07:53:05,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:53:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:05,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:05,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:05,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:05,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:05,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133809258] [2021-04-29 07:53:05,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155910759] [2021-04-29 07:53:05,419 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:05,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:05,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:05,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:05,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:05,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:05,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:05,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:05,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,507 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:05,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:05,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:05,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:05,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:05,525 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:05,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:05,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:05,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:05,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:53:05,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:05,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:05,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:05,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:05,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:05,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:05,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:05,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:05,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:05,538 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:53:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:05,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:05,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:05,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:53:05,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526594943] [2021-04-29 07:53:05,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:53:05,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:05,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:53:05,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:53:05,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:53:05,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 889 transitions, 21403 flow. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:05,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:05,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:53:05,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:06,968 INFO L129 PetriNetUnfolder]: 999/2485 cut-off events. [2021-04-29 07:53:06,969 INFO L130 PetriNetUnfolder]: For 60476/60498 co-relation queries the response was YES. [2021-04-29 07:53:06,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23885 conditions, 2485 events. 999/2485 cut-off events. For 60476/60498 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 21748 event pairs, 35 based on Foata normal form. 17/2502 useless extension candidates. Maximal degree in co-relation 23508. Up to 764 conditions per place. [2021-04-29 07:53:07,009 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 599 selfloop transitions, 361 changer transitions 2/968 dead transitions. [2021-04-29 07:53:07,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 968 transitions, 24819 flow [2021-04-29 07:53:07,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 07:53:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 07:53:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 273 transitions. [2021-04-29 07:53:07,010 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.455 [2021-04-29 07:53:07,010 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 273 transitions. [2021-04-29 07:53:07,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 273 transitions. [2021-04-29 07:53:07,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:07,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 273 transitions. [2021-04-29 07:53:07,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 18.2) internal successors, (273), 15 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:07,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:07,012 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:07,012 INFO L185 Difference]: Start difference. First operand has 336 places, 889 transitions, 21403 flow. Second operand 15 states and 273 transitions. [2021-04-29 07:53:07,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 968 transitions, 24819 flow [2021-04-29 07:53:07,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 968 transitions, 24292 flow, removed 187 selfloop flow, removed 9 redundant places. [2021-04-29 07:53:07,696 INFO L241 Difference]: Finished difference. Result has 347 places, 914 transitions, 22597 flow [2021-04-29 07:53:07,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=20927, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=888, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=335, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22597, PETRI_PLACES=347, PETRI_TRANSITIONS=914} [2021-04-29 07:53:07,697 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 316 predicate places. [2021-04-29 07:53:07,697 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:07,698 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 914 transitions, 22597 flow [2021-04-29 07:53:07,698 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 914 transitions, 22597 flow [2021-04-29 07:53:07,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 347 places, 914 transitions, 22597 flow [2021-04-29 07:53:08,211 INFO L129 PetriNetUnfolder]: 917/2366 cut-off events. [2021-04-29 07:53:08,211 INFO L130 PetriNetUnfolder]: For 61193/61244 co-relation queries the response was YES. [2021-04-29 07:53:08,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21475 conditions, 2366 events. 917/2366 cut-off events. For 61193/61244 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 21205 event pairs, 8 based on Foata normal form. 5/2366 useless extension candidates. Maximal degree in co-relation 21113. Up to 612 conditions per place. [2021-04-29 07:53:08,265 INFO L146 LiptonReduction]: Number of co-enabled transitions 1294 [2021-04-29 07:53:08,407 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:08,407 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:08,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 711 [2021-04-29 07:53:08,408 INFO L480 AbstractCegarLoop]: Abstraction has has 347 places, 914 transitions, 22597 flow [2021-04-29 07:53:08,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:08,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:08,408 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:08,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:08,609 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:08,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:08,610 INFO L82 PathProgramCache]: Analyzing trace with hash -252810000, now seen corresponding path program 26 times [2021-04-29 07:53:08,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:08,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94517739] [2021-04-29 07:53:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:08,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:08,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:08,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:08,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:08,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94517739] [2021-04-29 07:53:08,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040588888] [2021-04-29 07:53:08,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:53:08,702 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:53:08,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:08,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:08,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:08,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:08,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:08,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:08,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,749 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:08,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:08,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:08,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:08,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:08,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:08,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:08,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:08,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:08,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:08,793 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:08,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:08,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:53:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:08,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:08,799 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:53:08,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:08,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:08,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:08,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:53:08,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508206697] [2021-04-29 07:53:08,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:53:08,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:08,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:53:08,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:53:08,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:08,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 914 transitions, 22597 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:08,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:08,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:08,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:10,435 INFO L129 PetriNetUnfolder]: 1032/2629 cut-off events. [2021-04-29 07:53:10,435 INFO L130 PetriNetUnfolder]: For 66536/66552 co-relation queries the response was YES. [2021-04-29 07:53:10,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25353 conditions, 2629 events. 1032/2629 cut-off events. For 66536/66552 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 23566 event pairs, 37 based on Foata normal form. 20/2649 useless extension candidates. Maximal degree in co-relation 24971. Up to 798 conditions per place. [2021-04-29 07:53:10,486 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 641 selfloop transitions, 361 changer transitions 1/1010 dead transitions. [2021-04-29 07:53:10,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 1010 transitions, 26443 flow [2021-04-29 07:53:10,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:53:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:53:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 316 transitions. [2021-04-29 07:53:10,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49375 [2021-04-29 07:53:10,488 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 316 transitions. [2021-04-29 07:53:10,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 316 transitions. [2021-04-29 07:53:10,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:10,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 316 transitions. [2021-04-29 07:53:10,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 19.75) internal successors, (316), 16 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:10,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:10,491 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:10,491 INFO L185 Difference]: Start difference. First operand has 347 places, 914 transitions, 22597 flow. Second operand 16 states and 316 transitions. [2021-04-29 07:53:10,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 1010 transitions, 26443 flow [2021-04-29 07:53:11,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 1010 transitions, 26097 flow, removed 55 selfloop flow, removed 5 redundant places. [2021-04-29 07:53:11,247 INFO L241 Difference]: Finished difference. Result has 361 places, 962 transitions, 24218 flow [2021-04-29 07:53:11,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=22233, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=912, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=24218, PETRI_PLACES=361, PETRI_TRANSITIONS=962} [2021-04-29 07:53:11,249 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 330 predicate places. [2021-04-29 07:53:11,249 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:11,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 361 places, 962 transitions, 24218 flow [2021-04-29 07:53:11,249 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 361 places, 962 transitions, 24218 flow [2021-04-29 07:53:11,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 361 places, 962 transitions, 24218 flow [2021-04-29 07:53:11,807 INFO L129 PetriNetUnfolder]: 951/2526 cut-off events. [2021-04-29 07:53:11,808 INFO L130 PetriNetUnfolder]: For 65711/65777 co-relation queries the response was YES. [2021-04-29 07:53:11,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23129 conditions, 2526 events. 951/2526 cut-off events. For 65711/65777 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 23291 event pairs, 7 based on Foata normal form. 4/2524 useless extension candidates. Maximal degree in co-relation 22758. Up to 624 conditions per place. [2021-04-29 07:53:11,868 INFO L146 LiptonReduction]: Number of co-enabled transitions 1308 [2021-04-29 07:53:12,031 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:12,031 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:12,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 782 [2021-04-29 07:53:12,032 INFO L480 AbstractCegarLoop]: Abstraction has has 361 places, 962 transitions, 24218 flow [2021-04-29 07:53:12,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:12,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:12,032 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:12,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-04-29 07:53:12,238 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:12,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1852819152, now seen corresponding path program 27 times [2021-04-29 07:53:12,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:12,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231573846] [2021-04-29 07:53:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:12,252 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 07:53:12,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:53:12,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:12,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:12,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:12,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:12,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231573846] [2021-04-29 07:53:12,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538116302] [2021-04-29 07:53:12,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 07:53:12,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:53:12,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:12,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:12,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:12,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:12,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:12,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:12,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:12,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:12,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:12,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:12,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:12,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:12,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:12,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:12,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:12,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:53:12,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:12,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:12,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:12,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:12,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:12,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:12,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:12,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:12,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:12,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:12,368 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:53:12,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:12,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:12,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:12,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:12,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:12,374 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:53:12,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:12,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:12,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:12,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:53:12,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703501330] [2021-04-29 07:53:12,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:53:12,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:12,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:53:12,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:53:12,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:53:12,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 962 transitions, 24218 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:12,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:12,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:53:12,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:14,176 INFO L129 PetriNetUnfolder]: 1086/2864 cut-off events. [2021-04-29 07:53:14,176 INFO L130 PetriNetUnfolder]: For 74791/74841 co-relation queries the response was YES. [2021-04-29 07:53:14,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28148 conditions, 2864 events. 1086/2864 cut-off events. For 74791/74841 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 26607 event pairs, 41 based on Foata normal form. 46/2910 useless extension candidates. Maximal degree in co-relation 27757. Up to 755 conditions per place. [2021-04-29 07:53:14,225 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 568 selfloop transitions, 551 changer transitions 1/1126 dead transitions. [2021-04-29 07:53:14,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 1126 transitions, 30326 flow [2021-04-29 07:53:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-29 07:53:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-04-29 07:53:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 446 transitions. [2021-04-29 07:53:14,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.446 [2021-04-29 07:53:14,227 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 446 transitions. [2021-04-29 07:53:14,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 446 transitions. [2021-04-29 07:53:14,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:14,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 446 transitions. [2021-04-29 07:53:14,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 17.84) internal successors, (446), 25 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:14,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 40.0) internal successors, (1040), 26 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:14,230 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 40.0) internal successors, (1040), 26 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:14,230 INFO L185 Difference]: Start difference. First operand has 361 places, 962 transitions, 24218 flow. Second operand 25 states and 446 transitions. [2021-04-29 07:53:14,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 1126 transitions, 30326 flow [2021-04-29 07:53:15,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 1126 transitions, 29910 flow, removed 95 selfloop flow, removed 5 redundant places. [2021-04-29 07:53:15,284 INFO L241 Difference]: Finished difference. Result has 387 places, 1062 transitions, 28387 flow [2021-04-29 07:53:15,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=23763, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=453, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=28387, PETRI_PLACES=387, PETRI_TRANSITIONS=1062} [2021-04-29 07:53:15,285 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 356 predicate places. [2021-04-29 07:53:15,285 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:15,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 387 places, 1062 transitions, 28387 flow [2021-04-29 07:53:15,286 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 387 places, 1062 transitions, 28387 flow [2021-04-29 07:53:15,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 1062 transitions, 28387 flow [2021-04-29 07:53:15,958 INFO L129 PetriNetUnfolder]: 1009/2770 cut-off events. [2021-04-29 07:53:15,959 INFO L130 PetriNetUnfolder]: For 80323/80404 co-relation queries the response was YES. [2021-04-29 07:53:15,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26157 conditions, 2770 events. 1009/2770 cut-off events. For 80323/80404 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 26543 event pairs, 8 based on Foata normal form. 3/2770 useless extension candidates. Maximal degree in co-relation 25768. Up to 666 conditions per place. [2021-04-29 07:53:16,024 INFO L146 LiptonReduction]: Number of co-enabled transitions 1404 [2021-04-29 07:53:16,212 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:16,212 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:16,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 927 [2021-04-29 07:53:16,213 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 1062 transitions, 28387 flow [2021-04-29 07:53:16,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:16,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:16,213 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:16,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:16,418 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:16,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1464939060, now seen corresponding path program 28 times [2021-04-29 07:53:16,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:16,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008727673] [2021-04-29 07:53:16,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:16,432 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:16,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,439 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:16,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,446 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:16,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:16,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:16,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008727673] [2021-04-29 07:53:16,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596488965] [2021-04-29 07:53:16,474 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:16,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:53:16,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:16,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:16,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:16,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:16,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:16,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:16,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,580 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:16,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:16,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:16,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:16,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:16,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:16,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:16,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:16,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:16,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:53:16,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:16,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:16,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:53:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:16,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:16,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:53:16,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901719225] [2021-04-29 07:53:16,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:53:16,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:16,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:53:16,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:53:16,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:16,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 1062 transitions, 28387 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:16,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:16,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:16,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:18,454 INFO L129 PetriNetUnfolder]: 1098/2900 cut-off events. [2021-04-29 07:53:18,455 INFO L130 PetriNetUnfolder]: For 84086/84108 co-relation queries the response was YES. [2021-04-29 07:53:18,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29514 conditions, 2900 events. 1098/2900 cut-off events. For 84086/84108 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 27028 event pairs, 39 based on Foata normal form. 22/2922 useless extension candidates. Maximal degree in co-relation 29105. Up to 1744 conditions per place. [2021-04-29 07:53:18,510 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 868 selfloop transitions, 237 changer transitions 0/1112 dead transitions. [2021-04-29 07:53:18,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 1112 transitions, 31671 flow [2021-04-29 07:53:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:53:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:53:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 201 transitions. [2021-04-29 07:53:18,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5025 [2021-04-29 07:53:18,512 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 201 transitions. [2021-04-29 07:53:18,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 201 transitions. [2021-04-29 07:53:18,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:18,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 201 transitions. [2021-04-29 07:53:18,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.1) internal successors, (201), 10 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:18,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:18,513 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:18,513 INFO L185 Difference]: Start difference. First operand has 387 places, 1062 transitions, 28387 flow. Second operand 10 states and 201 transitions. [2021-04-29 07:53:18,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 1112 transitions, 31671 flow [2021-04-29 07:53:19,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 1112 transitions, 31192 flow, removed 176 selfloop flow, removed 9 redundant places. [2021-04-29 07:53:19,614 INFO L241 Difference]: Finished difference. Result has 389 places, 1081 transitions, 28920 flow [2021-04-29 07:53:19,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=27914, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=837, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=28920, PETRI_PLACES=389, PETRI_TRANSITIONS=1081} [2021-04-29 07:53:19,615 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 358 predicate places. [2021-04-29 07:53:19,615 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:19,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 389 places, 1081 transitions, 28920 flow [2021-04-29 07:53:19,615 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 389 places, 1081 transitions, 28920 flow [2021-04-29 07:53:19,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 389 places, 1081 transitions, 28920 flow [2021-04-29 07:53:20,316 INFO L129 PetriNetUnfolder]: 1017/2793 cut-off events. [2021-04-29 07:53:20,317 INFO L130 PetriNetUnfolder]: For 81406/81482 co-relation queries the response was YES. [2021-04-29 07:53:20,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26446 conditions, 2793 events. 1017/2793 cut-off events. For 81406/81482 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 26795 event pairs, 7 based on Foata normal form. 5/2792 useless extension candidates. Maximal degree in co-relation 26052. Up to 671 conditions per place. [2021-04-29 07:53:20,378 INFO L146 LiptonReduction]: Number of co-enabled transitions 1416 [2021-04-29 07:53:20,573 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:20,573 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:20,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 958 [2021-04-29 07:53:20,574 INFO L480 AbstractCegarLoop]: Abstraction has has 389 places, 1081 transitions, 28920 flow [2021-04-29 07:53:20,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:20,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:20,574 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:20,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-04-29 07:53:20,775 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:20,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:20,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1104767142, now seen corresponding path program 29 times [2021-04-29 07:53:20,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:20,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899925717] [2021-04-29 07:53:20,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:20,793 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-04-29 07:53:20,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:53:20,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:20,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:20,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:20,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899925717] [2021-04-29 07:53:20,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200393440] [2021-04-29 07:53:20,823 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:20,852 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:53:20,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:20,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:20,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:20,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:20,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:20,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:20,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:20,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:20,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:20,901 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-04-29 07:53:20,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:20,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:20,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:53:20,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,907 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:20,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:20,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:20,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:53:20,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:20,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:20,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:20,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:20,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:20,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:20,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:20,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:20,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:53:20,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:20,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:20,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:20,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-04-29 07:53:20,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463726696] [2021-04-29 07:53:20,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 07:53:20,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:20,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 07:53:20,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 07:53:20,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:53:20,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1081 transitions, 28920 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:20,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:20,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:53:20,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:23,156 INFO L129 PetriNetUnfolder]: 1120/2995 cut-off events. [2021-04-29 07:53:23,157 INFO L130 PetriNetUnfolder]: For 87355/87405 co-relation queries the response was YES. [2021-04-29 07:53:23,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30680 conditions, 2995 events. 1120/2995 cut-off events. For 87355/87405 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 28266 event pairs, 35 based on Foata normal form. 47/3042 useless extension candidates. Maximal degree in co-relation 30266. Up to 1436 conditions per place. [2021-04-29 07:53:23,218 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 727 selfloop transitions, 474 changer transitions 0/1207 dead transitions. [2021-04-29 07:53:23,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 1207 transitions, 34226 flow [2021-04-29 07:53:23,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 07:53:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 07:53:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 340 transitions. [2021-04-29 07:53:23,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2021-04-29 07:53:23,220 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 340 transitions. [2021-04-29 07:53:23,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 340 transitions. [2021-04-29 07:53:23,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:23,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 340 transitions. [2021-04-29 07:53:23,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 18.88888888888889) internal successors, (340), 18 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:23,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:23,223 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:23,223 INFO L185 Difference]: Start difference. First operand has 389 places, 1081 transitions, 28920 flow. Second operand 18 states and 340 transitions. [2021-04-29 07:53:23,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 1207 transitions, 34226 flow [2021-04-29 07:53:24,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 1207 transitions, 33750 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-04-29 07:53:24,561 INFO L241 Difference]: Finished difference. Result has 404 places, 1120 transitions, 31053 flow [2021-04-29 07:53:24,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=28472, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1081, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=435, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=635, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=31053, PETRI_PLACES=404, PETRI_TRANSITIONS=1120} [2021-04-29 07:53:24,562 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 373 predicate places. [2021-04-29 07:53:24,562 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:24,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 1120 transitions, 31053 flow [2021-04-29 07:53:24,563 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 1120 transitions, 31053 flow [2021-04-29 07:53:24,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 1120 transitions, 31053 flow [2021-04-29 07:53:25,301 INFO L129 PetriNetUnfolder]: 1044/2900 cut-off events. [2021-04-29 07:53:25,301 INFO L130 PetriNetUnfolder]: For 90294/90350 co-relation queries the response was YES. [2021-04-29 07:53:25,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28280 conditions, 2900 events. 1044/2900 cut-off events. For 90294/90350 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 28265 event pairs, 7 based on Foata normal form. 5/2902 useless extension candidates. Maximal degree in co-relation 27878. Up to 709 conditions per place. [2021-04-29 07:53:25,373 INFO L146 LiptonReduction]: Number of co-enabled transitions 1484 [2021-04-29 07:53:25,570 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:25,570 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:25,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1008 [2021-04-29 07:53:25,571 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 1120 transitions, 31053 flow [2021-04-29 07:53:25,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:25,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:25,571 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:25,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-04-29 07:53:25,772 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:25,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:25,772 INFO L82 PathProgramCache]: Analyzing trace with hash -459922908, now seen corresponding path program 30 times [2021-04-29 07:53:25,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:25,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589717087] [2021-04-29 07:53:25,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:25,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:25,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,794 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:25,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:25,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:25,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:25,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589717087] [2021-04-29 07:53:25,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649745213] [2021-04-29 07:53:25,825 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:25,850 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:53:25,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:25,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:25,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:25,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:25,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:25,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:25,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:25,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:25,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:25,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:25,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:25,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:25,949 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:25,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:25,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:25,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:25,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:53:25,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:25,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:25,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:25,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:25,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:25,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:25,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:53:25,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:25,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:25,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:53:25,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650830669] [2021-04-29 07:53:25,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:53:25,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:25,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:53:25,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:53:25,992 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:25,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 1120 transitions, 31053 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:25,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:25,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:25,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:28,064 INFO L129 PetriNetUnfolder]: 1377/3648 cut-off events. [2021-04-29 07:53:28,065 INFO L130 PetriNetUnfolder]: For 114839/114855 co-relation queries the response was YES. [2021-04-29 07:53:28,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37393 conditions, 3648 events. 1377/3648 cut-off events. For 114839/114855 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 35433 event pairs, 46 based on Foata normal form. 26/3674 useless extension candidates. Maximal degree in co-relation 36928. Up to 1528 conditions per place. [2021-04-29 07:53:28,142 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 749 selfloop transitions, 599 changer transitions 0/1355 dead transitions. [2021-04-29 07:53:28,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 1355 transitions, 39233 flow [2021-04-29 07:53:28,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:53:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:53:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 250 transitions. [2021-04-29 07:53:28,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5208333333333334 [2021-04-29 07:53:28,143 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 250 transitions. [2021-04-29 07:53:28,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 250 transitions. [2021-04-29 07:53:28,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:28,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 250 transitions. [2021-04-29 07:53:28,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 20.833333333333332) internal successors, (250), 12 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:28,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:28,145 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:28,145 INFO L185 Difference]: Start difference. First operand has 404 places, 1120 transitions, 31053 flow. Second operand 12 states and 250 transitions. [2021-04-29 07:53:28,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 1355 transitions, 39233 flow [2021-04-29 07:53:29,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 1355 transitions, 38515 flow, removed 113 selfloop flow, removed 11 redundant places. [2021-04-29 07:53:29,869 INFO L241 Difference]: Finished difference. Result has 408 places, 1263 transitions, 35981 flow [2021-04-29 07:53:29,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=30285, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=472, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=35981, PETRI_PLACES=408, PETRI_TRANSITIONS=1263} [2021-04-29 07:53:29,871 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 377 predicate places. [2021-04-29 07:53:29,871 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:29,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 408 places, 1263 transitions, 35981 flow [2021-04-29 07:53:29,871 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 408 places, 1263 transitions, 35981 flow [2021-04-29 07:53:29,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 408 places, 1263 transitions, 35981 flow [2021-04-29 07:53:30,813 INFO L129 PetriNetUnfolder]: 1267/3476 cut-off events. [2021-04-29 07:53:30,813 INFO L130 PetriNetUnfolder]: For 120020/120114 co-relation queries the response was YES. [2021-04-29 07:53:30,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34793 conditions, 3476 events. 1267/3476 cut-off events. For 120020/120114 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 34447 event pairs, 7 based on Foata normal form. 12/3480 useless extension candidates. Maximal degree in co-relation 34442. Up to 824 conditions per place. [2021-04-29 07:53:30,901 INFO L146 LiptonReduction]: Number of co-enabled transitions 1634 [2021-04-29 07:53:31,179 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:31,179 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:31,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1308 [2021-04-29 07:53:31,180 INFO L480 AbstractCegarLoop]: Abstraction has has 408 places, 1263 transitions, 35981 flow [2021-04-29 07:53:31,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:31,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:31,180 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:31,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-04-29 07:53:31,381 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:31,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:31,381 INFO L82 PathProgramCache]: Analyzing trace with hash -488724078, now seen corresponding path program 31 times [2021-04-29 07:53:31,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:31,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797911958] [2021-04-29 07:53:31,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:31,402 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:31,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,407 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:31,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:31,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:31,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797911958] [2021-04-29 07:53:31,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538075382] [2021-04-29 07:53:31,437 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:31,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:31,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:31,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:31,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:31,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:31,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:31,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:31,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:31,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:31,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:31,558 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:31,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:31,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:31,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:31,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:53:31,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:31,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:31,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:31,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:53:31,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:31,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:31,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:31,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:53:31,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662865436] [2021-04-29 07:53:31,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:53:31,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:31,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:53:31,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:53:31,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:31,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 1263 transitions, 35981 flow. Second operand has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:31,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:31,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:31,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:34,181 INFO L129 PetriNetUnfolder]: 1377/3639 cut-off events. [2021-04-29 07:53:34,181 INFO L130 PetriNetUnfolder]: For 124126/124142 co-relation queries the response was YES. [2021-04-29 07:53:34,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38848 conditions, 3639 events. 1377/3639 cut-off events. For 124126/124142 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 35247 event pairs, 38 based on Foata normal form. 26/3665 useless extension candidates. Maximal degree in co-relation 38447. Up to 1460 conditions per place. [2021-04-29 07:53:34,250 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 736 selfloop transitions, 621 changer transitions 0/1364 dead transitions. [2021-04-29 07:53:34,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 1364 transitions, 41101 flow [2021-04-29 07:53:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:53:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:53:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 269 transitions. [2021-04-29 07:53:34,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5173076923076924 [2021-04-29 07:53:34,251 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 269 transitions. [2021-04-29 07:53:34,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 269 transitions. [2021-04-29 07:53:34,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:34,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 269 transitions. [2021-04-29 07:53:34,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 20.692307692307693) internal successors, (269), 13 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:34,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:34,253 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:34,253 INFO L185 Difference]: Start difference. First operand has 408 places, 1263 transitions, 35981 flow. Second operand 13 states and 269 transitions. [2021-04-29 07:53:34,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 1364 transitions, 41101 flow [2021-04-29 07:53:35,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1364 transitions, 40554 flow, removed 193 selfloop flow, removed 6 redundant places. [2021-04-29 07:53:35,966 INFO L241 Difference]: Finished difference. Result has 416 places, 1267 transitions, 37184 flow [2021-04-29 07:53:35,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=35283, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=611, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=642, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=37184, PETRI_PLACES=416, PETRI_TRANSITIONS=1267} [2021-04-29 07:53:35,968 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 385 predicate places. [2021-04-29 07:53:35,968 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:35,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 1267 transitions, 37184 flow [2021-04-29 07:53:35,968 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 1267 transitions, 37184 flow [2021-04-29 07:53:35,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 1267 transitions, 37184 flow [2021-04-29 07:53:36,911 INFO L129 PetriNetUnfolder]: 1272/3493 cut-off events. [2021-04-29 07:53:36,911 INFO L130 PetriNetUnfolder]: For 123052/123130 co-relation queries the response was YES. [2021-04-29 07:53:36,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35661 conditions, 3493 events. 1272/3493 cut-off events. For 123052/123130 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 34722 event pairs, 8 based on Foata normal form. 8/3495 useless extension candidates. Maximal degree in co-relation 35410. Up to 823 conditions per place. [2021-04-29 07:53:37,003 INFO L146 LiptonReduction]: Number of co-enabled transitions 1648 [2021-04-29 07:53:37,245 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:37,245 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:37,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1277 [2021-04-29 07:53:37,246 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 1267 transitions, 37184 flow [2021-04-29 07:53:37,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:37,246 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:37,246 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:37,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-04-29 07:53:37,455 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:37,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:37,455 INFO L82 PathProgramCache]: Analyzing trace with hash 491892498, now seen corresponding path program 32 times [2021-04-29 07:53:37,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:37,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952987893] [2021-04-29 07:53:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:37,468 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:37,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,474 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:37,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:37,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:37,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952987893] [2021-04-29 07:53:37,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156497680] [2021-04-29 07:53:37,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:37,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:53:37,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:37,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:37,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:37,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:37,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:37,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:37,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:37,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:37,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:37,590 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:37,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:37,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:37,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:37,607 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:37,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:37,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:37,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:37,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:53:37,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:37,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:37,613 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:53:37,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:37,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:37,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:37,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:53:37,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596789429] [2021-04-29 07:53:37,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:53:37,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:37,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:53:37,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:53:37,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:37,626 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 1267 transitions, 37184 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:37,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:37,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:37,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:40,339 INFO L129 PetriNetUnfolder]: 1381/3660 cut-off events. [2021-04-29 07:53:40,339 INFO L130 PetriNetUnfolder]: For 129719/129757 co-relation queries the response was YES. [2021-04-29 07:53:40,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39783 conditions, 3660 events. 1381/3660 cut-off events. For 129719/129757 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 35587 event pairs, 38 based on Foata normal form. 35/3695 useless extension candidates. Maximal degree in co-relation 39525. Up to 883 conditions per place. [2021-04-29 07:53:40,408 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 622 selfloop transitions, 740 changer transitions 1/1370 dead transitions. [2021-04-29 07:53:40,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1370 transitions, 42184 flow [2021-04-29 07:53:40,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-29 07:53:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-04-29 07:53:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 403 transitions. [2021-04-29 07:53:40,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.50375 [2021-04-29 07:53:40,410 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 403 transitions. [2021-04-29 07:53:40,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 403 transitions. [2021-04-29 07:53:40,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:40,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 403 transitions. [2021-04-29 07:53:40,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 20.15) internal successors, (403), 20 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:40,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 40.0) internal successors, (840), 21 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:40,413 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 40.0) internal successors, (840), 21 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:40,413 INFO L185 Difference]: Start difference. First operand has 416 places, 1267 transitions, 37184 flow. Second operand 20 states and 403 transitions. [2021-04-29 07:53:40,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 1370 transitions, 42184 flow [2021-04-29 07:53:42,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 1370 transitions, 41246 flow, removed 35 selfloop flow, removed 10 redundant places. [2021-04-29 07:53:42,106 INFO L241 Difference]: Finished difference. Result has 429 places, 1296 transitions, 39245 flow [2021-04-29 07:53:42,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=36226, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=709, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=39245, PETRI_PLACES=429, PETRI_TRANSITIONS=1296} [2021-04-29 07:53:42,107 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 398 predicate places. [2021-04-29 07:53:42,108 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:42,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 1296 transitions, 39245 flow [2021-04-29 07:53:42,108 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 1296 transitions, 39245 flow [2021-04-29 07:53:42,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 1296 transitions, 39245 flow [2021-04-29 07:53:43,316 INFO L129 PetriNetUnfolder]: 1271/3519 cut-off events. [2021-04-29 07:53:43,316 INFO L130 PetriNetUnfolder]: For 134114/134202 co-relation queries the response was YES. [2021-04-29 07:53:43,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36919 conditions, 3519 events. 1271/3519 cut-off events. For 134114/134202 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 35269 event pairs, 9 based on Foata normal form. 12/3524 useless extension candidates. Maximal degree in co-relation 36653. Up to 804 conditions per place. [2021-04-29 07:53:43,445 INFO L146 LiptonReduction]: Number of co-enabled transitions 1670 [2021-04-29 07:53:43,731 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:43,731 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:43,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1623 [2021-04-29 07:53:43,732 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 1296 transitions, 39245 flow [2021-04-29 07:53:43,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:43,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:43,733 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:43,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:43,933 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:43,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:43,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2085325738, now seen corresponding path program 33 times [2021-04-29 07:53:43,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:43,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381715963] [2021-04-29 07:53:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:43,947 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:43,953 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:43,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:43,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:43,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:43,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:43,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:43,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:43,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:43,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:43,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381715963] [2021-04-29 07:53:43,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963450653] [2021-04-29 07:53:43,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:44,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:53:44,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:44,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:44,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:44,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:44,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:44,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:44,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:44,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:44,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:44,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:44,102 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:44,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:44,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:44,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:44,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:44,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:44,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:44,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:44,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:44,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:53:44,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:44,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:44,139 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:53:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:44,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:44,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:44,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:44,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:53:44,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445387424] [2021-04-29 07:53:44,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 07:53:44,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:44,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 07:53:44,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 07:53:44,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:44,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 1296 transitions, 39245 flow. Second operand has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:44,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:44,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:44,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:46,935 INFO L129 PetriNetUnfolder]: 1379/3630 cut-off events. [2021-04-29 07:53:46,935 INFO L130 PetriNetUnfolder]: For 138069/138107 co-relation queries the response was YES. [2021-04-29 07:53:46,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40846 conditions, 3630 events. 1379/3630 cut-off events. For 138069/138107 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 35049 event pairs, 45 based on Foata normal form. 34/3664 useless extension candidates. Maximal degree in co-relation 40586. Up to 1534 conditions per place. [2021-04-29 07:53:47,019 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 764 selfloop transitions, 583 changer transitions 0/1354 dead transitions. [2021-04-29 07:53:47,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 1354 transitions, 43128 flow [2021-04-29 07:53:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:53:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:53:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 206 transitions. [2021-04-29 07:53:47,020 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.515 [2021-04-29 07:53:47,020 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 206 transitions. [2021-04-29 07:53:47,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 206 transitions. [2021-04-29 07:53:47,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:47,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 206 transitions. [2021-04-29 07:53:47,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.6) internal successors, (206), 10 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:47,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:47,021 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:47,021 INFO L185 Difference]: Start difference. First operand has 429 places, 1296 transitions, 39245 flow. Second operand 10 states and 206 transitions. [2021-04-29 07:53:47,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 1354 transitions, 43128 flow [2021-04-29 07:53:48,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 1354 transitions, 42483 flow, removed 127 selfloop flow, removed 8 redundant places. [2021-04-29 07:53:48,937 INFO L241 Difference]: Finished difference. Result has 431 places, 1298 transitions, 39978 flow [2021-04-29 07:53:48,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=38537, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=578, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=39978, PETRI_PLACES=431, PETRI_TRANSITIONS=1298} [2021-04-29 07:53:48,939 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 400 predicate places. [2021-04-29 07:53:48,939 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:48,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 1298 transitions, 39978 flow [2021-04-29 07:53:48,939 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 1298 transitions, 39978 flow [2021-04-29 07:53:48,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 1298 transitions, 39978 flow [2021-04-29 07:53:50,005 INFO L129 PetriNetUnfolder]: 1270/3496 cut-off events. [2021-04-29 07:53:50,005 INFO L130 PetriNetUnfolder]: For 133476/133552 co-relation queries the response was YES. [2021-04-29 07:53:50,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37007 conditions, 3496 events. 1270/3496 cut-off events. For 133476/133552 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 34931 event pairs, 7 based on Foata normal form. 5/3495 useless extension candidates. Maximal degree in co-relation 36735. Up to 816 conditions per place. [2021-04-29 07:53:50,098 INFO L146 LiptonReduction]: Number of co-enabled transitions 1672 [2021-04-29 07:53:50,411 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:50,411 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:50,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1473 [2021-04-29 07:53:50,412 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 1298 transitions, 39978 flow [2021-04-29 07:53:50,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:50,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:50,412 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:50,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-04-29 07:53:50,613 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:50,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:50,614 INFO L82 PathProgramCache]: Analyzing trace with hash 384637854, now seen corresponding path program 34 times [2021-04-29 07:53:50,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:50,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758664823] [2021-04-29 07:53:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:50,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,631 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:50,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:50,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:50,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:50,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758664823] [2021-04-29 07:53:50,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613480623] [2021-04-29 07:53:50,658 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:50,689 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:53:50,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:50,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:50,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:50,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:50,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:50,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:50,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:50,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:50,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:50,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:50,760 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:50,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:50,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:50,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:53:50,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:50,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:50,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:50,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:50,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:50,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:50,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:50,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:53:50,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-04-29 07:53:50,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:50,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:50,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:50,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:53:50,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760630607] [2021-04-29 07:53:50,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:53:50,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:50,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:53:50,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:53:50,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:50,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 1298 transitions, 39978 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:50,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:50,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:50,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:53:53,437 INFO L129 PetriNetUnfolder]: 1388/3700 cut-off events. [2021-04-29 07:53:53,437 INFO L130 PetriNetUnfolder]: For 139657/139663 co-relation queries the response was YES. [2021-04-29 07:53:53,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41540 conditions, 3700 events. 1388/3700 cut-off events. For 139657/139663 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 36142 event pairs, 33 based on Foata normal form. 10/3710 useless extension candidates. Maximal degree in co-relation 41301. Up to 1468 conditions per place. [2021-04-29 07:53:53,513 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 736 selfloop transitions, 644 changer transitions 0/1387 dead transitions. [2021-04-29 07:53:53,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 1387 transitions, 44856 flow [2021-04-29 07:53:53,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:53:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:53:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 325 transitions. [2021-04-29 07:53:53,514 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5078125 [2021-04-29 07:53:53,514 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 325 transitions. [2021-04-29 07:53:53,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 325 transitions. [2021-04-29 07:53:53,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:53:53,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 325 transitions. [2021-04-29 07:53:53,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 20.3125) internal successors, (325), 16 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:53,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:53,517 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:53,517 INFO L185 Difference]: Start difference. First operand has 431 places, 1298 transitions, 39978 flow. Second operand 16 states and 325 transitions. [2021-04-29 07:53:53,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 1387 transitions, 44856 flow [2021-04-29 07:53:55,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 1387 transitions, 43789 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-04-29 07:53:55,481 INFO L241 Difference]: Finished difference. Result has 440 places, 1322 transitions, 41446 flow [2021-04-29 07:53:55,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=38869, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=618, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=41446, PETRI_PLACES=440, PETRI_TRANSITIONS=1322} [2021-04-29 07:53:55,482 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 409 predicate places. [2021-04-29 07:53:55,482 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:53:55,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 1322 transitions, 41446 flow [2021-04-29 07:53:55,483 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 1322 transitions, 41446 flow [2021-04-29 07:53:55,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 1322 transitions, 41446 flow [2021-04-29 07:53:56,658 INFO L129 PetriNetUnfolder]: 1278/3556 cut-off events. [2021-04-29 07:53:56,659 INFO L130 PetriNetUnfolder]: For 138463/138558 co-relation queries the response was YES. [2021-04-29 07:53:56,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38189 conditions, 3556 events. 1278/3556 cut-off events. For 138463/138558 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35900 event pairs, 7 based on Foata normal form. 10/3558 useless extension candidates. Maximal degree in co-relation 37719. Up to 819 conditions per place. [2021-04-29 07:53:56,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 1688 [2021-04-29 07:53:57,034 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:53:57,035 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:53:57,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1553 [2021-04-29 07:53:57,035 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 1322 transitions, 41446 flow [2021-04-29 07:53:57,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:57,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:53:57,035 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:53:57,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-04-29 07:53:57,236 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:53:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:53:57,237 INFO L82 PathProgramCache]: Analyzing trace with hash -363414156, now seen corresponding path program 35 times [2021-04-29 07:53:57,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:53:57,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027967127] [2021-04-29 07:53:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:53:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:53:57,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-04-29 07:53:57,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,253 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-04-29 07:53:57,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:57,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:57,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:57,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027967127] [2021-04-29 07:53:57,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274773471] [2021-04-29 07:53:57,282 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:53:57,307 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:53:57,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:53:57,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-29 07:53:57,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:53:57,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:57,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:57,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:57,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:57,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:57,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:57,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:57,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:53:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:53:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:53:57,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-04-29 07:53:57,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:57,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:57,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:53:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 07:53:57,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:57,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:57,387 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-04-29 07:53:57,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:53:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:53:57,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:53:57,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:57,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:53:57,391 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-04-29 07:53:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:53:57,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:53:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:53:57,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:53:57,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-04-29 07:53:57,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059442484] [2021-04-29 07:53:57,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 07:53:57,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:53:57,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 07:53:57,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-04-29 07:53:57,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 40 [2021-04-29 07:53:57,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1322 transitions, 41446 flow. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:53:57,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:53:57,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 40 [2021-04-29 07:53:57,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:00,508 INFO L129 PetriNetUnfolder]: 1385/3665 cut-off events. [2021-04-29 07:54:00,509 INFO L130 PetriNetUnfolder]: For 143374/143390 co-relation queries the response was YES. [2021-04-29 07:54:00,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42135 conditions, 3665 events. 1385/3665 cut-off events. For 143374/143390 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35642 event pairs, 41 based on Foata normal form. 17/3682 useless extension candidates. Maximal degree in co-relation 41653. Up to 893 conditions per place. [2021-04-29 07:54:00,584 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 561 selfloop transitions, 806 changer transitions 1/1375 dead transitions. [2021-04-29 07:54:00,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 1375 transitions, 45240 flow [2021-04-29 07:54:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-04-29 07:54:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-04-29 07:54:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 476 transitions. [2021-04-29 07:54:00,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49583333333333335 [2021-04-29 07:54:00,586 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 476 transitions. [2021-04-29 07:54:00,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 476 transitions. [2021-04-29 07:54:00,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:00,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 476 transitions. [2021-04-29 07:54:00,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 19.833333333333332) internal successors, (476), 24 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:00,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 40.0) internal successors, (1000), 25 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:00,590 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 40.0) internal successors, (1000), 25 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:00,590 INFO L185 Difference]: Start difference. First operand has 440 places, 1322 transitions, 41446 flow. Second operand 24 states and 476 transitions. [2021-04-29 07:54:00,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 1375 transitions, 45240 flow [2021-04-29 07:54:02,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 1375 transitions, 44374 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-04-29 07:54:02,635 INFO L241 Difference]: Finished difference. Result has 451 places, 1323 transitions, 42567 flow [2021-04-29 07:54:02,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=40414, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=799, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=42567, PETRI_PLACES=451, PETRI_TRANSITIONS=1323} [2021-04-29 07:54:02,637 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 420 predicate places. [2021-04-29 07:54:02,637 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:54:02,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 451 places, 1323 transitions, 42567 flow [2021-04-29 07:54:02,637 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 451 places, 1323 transitions, 42567 flow [2021-04-29 07:54:02,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 450 places, 1323 transitions, 42567 flow [2021-04-29 07:54:03,714 INFO L129 PetriNetUnfolder]: 1279/3539 cut-off events. [2021-04-29 07:54:03,714 INFO L130 PetriNetUnfolder]: For 143699/143771 co-relation queries the response was YES. [2021-04-29 07:54:03,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39053 conditions, 3539 events. 1279/3539 cut-off events. For 143699/143771 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 35637 event pairs, 9 based on Foata normal form. 13/3545 useless extension candidates. Maximal degree in co-relation 38612. Up to 823 conditions per place. [2021-04-29 07:54:03,859 INFO L146 LiptonReduction]: Number of co-enabled transitions 1690 [2021-04-29 07:54:04,172 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:54:04,172 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:54:04,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1535 [2021-04-29 07:54:04,172 INFO L480 AbstractCegarLoop]: Abstraction has has 450 places, 1323 transitions, 42567 flow [2021-04-29 07:54:04,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 10 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:04,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:54:04,173 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:54:04,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:04,373 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:54:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:54:04,374 INFO L82 PathProgramCache]: Analyzing trace with hash -723986208, now seen corresponding path program 36 times [2021-04-29 07:54:04,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:54:04,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991771034] [2021-04-29 07:54:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:54:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:04,428 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:54:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,460 INFO L142 QuantifierPusher]: treesize reduction 27, result has 68.2 percent of original size [2021-04-29 07:54:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 07:54:04,543 INFO L142 QuantifierPusher]: treesize reduction 35, result has 69.3 percent of original size [2021-04-29 07:54:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-04-29 07:54:04,630 INFO L142 QuantifierPusher]: treesize reduction 29, result has 68.8 percent of original size [2021-04-29 07:54:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:54:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:04,722 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 07:54:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:04,772 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:54:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:04,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991771034] [2021-04-29 07:54:04,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79827555] [2021-04-29 07:54:04,817 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:04,852 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:54:04,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:54:04,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:54:04,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:54:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:04,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:04,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:04,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:04,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:04,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:04,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:05,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,046 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:54:05,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:05,047 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-04-29 07:54:05,048 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size [2021-04-29 07:54:05,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 07:54:05,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 07:54:05,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 07:54:05,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:05,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 07:54:05,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,111 INFO L142 QuantifierPusher]: treesize reduction 21, result has 64.4 percent of original size [2021-04-29 07:54:05,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:54:05,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:54:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:05,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:54:05,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:05,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:05,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:05,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:05,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:05,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:05,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:54:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:05,174 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 21 treesize of output 47 [2021-04-29 07:54:05,176 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.8 percent of original size [2021-04-29 07:54:05,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,178 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size [2021-04-29 07:54:05,181 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 07:54:05,182 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:54:05,183 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,184 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 07:54:05,185 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:54:05,186 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,189 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-04-29 07:54:05,191 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:54:05,193 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,196 INFO L142 QuantifierPusher]: treesize reduction 31, result has 74.6 percent of original size [2021-04-29 07:54:05,207 INFO L147 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size 67 [2021-04-29 07:54:05,212 INFO L147 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size 67 [2021-04-29 07:54:05,217 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.1 percent of original size [2021-04-29 07:54:05,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 07:54:05,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 07:54:05,300 INFO L628 ElimStorePlain]: treesize reduction 43, result has 49.4 percent of original size [2021-04-29 07:54:05,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,308 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:54:05,309 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,311 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:54:05,312 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:05,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 07:54:05,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 07:54:05,322 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:54:05,323 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,325 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.5 percent of original size [2021-04-29 07:54:05,327 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 07:54:05,329 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,335 INFO L147 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size 33 [2021-04-29 07:54:05,337 INFO L147 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size 48 [2021-04-29 07:54:05,338 INFO L147 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size 52 [2021-04-29 07:54:05,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:54:05,339 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:63 [2021-04-29 07:54:05,340 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-04-29 07:54:05,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 07:54:05,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 07:54:05,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:54:05,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:54:05,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:54:05,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:54:05,445 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-04-29 07:54:05,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:54:05,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:05,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:05,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,451 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:54:05,452 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:54:05,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:05,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:05,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:05,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:54:05,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:54:05,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513122921] [2021-04-29 07:54:05,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:54:05,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:54:05,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:54:05,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:54:05,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:54:05,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 1323 transitions, 42567 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:05,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:54:05,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:54:05,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:05,779 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 07:54:05,983 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2021-04-29 07:54:06,285 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-04-29 07:54:06,961 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2021-04-29 07:54:09,744 INFO L129 PetriNetUnfolder]: 1450/3872 cut-off events. [2021-04-29 07:54:09,744 INFO L130 PetriNetUnfolder]: For 155894/155916 co-relation queries the response was YES. [2021-04-29 07:54:09,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45664 conditions, 3872 events. 1450/3872 cut-off events. For 155894/155916 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 38229 event pairs, 52 based on Foata normal form. 22/3894 useless extension candidates. Maximal degree in co-relation 45203. Up to 2856 conditions per place. [2021-04-29 07:54:09,821 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1321 selfloop transitions, 89 changer transitions 2/1418 dead transitions. [2021-04-29 07:54:09,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 1418 transitions, 48839 flow [2021-04-29 07:54:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:54:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:54:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 255 transitions. [2021-04-29 07:54:09,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2021-04-29 07:54:09,823 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 255 transitions. [2021-04-29 07:54:09,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 255 transitions. [2021-04-29 07:54:09,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:09,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 255 transitions. [2021-04-29 07:54:09,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 18.214285714285715) internal successors, (255), 14 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:09,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:09,824 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:09,824 INFO L185 Difference]: Start difference. First operand has 450 places, 1323 transitions, 42567 flow. Second operand 14 states and 255 transitions. [2021-04-29 07:54:09,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 1418 transitions, 48839 flow [2021-04-29 07:54:12,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 1418 transitions, 47847 flow, removed 54 selfloop flow, removed 13 redundant places. [2021-04-29 07:54:12,129 INFO L241 Difference]: Finished difference. Result has 459 places, 1391 transitions, 44580 flow [2021-04-29 07:54:12,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=41642, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=44580, PETRI_PLACES=459, PETRI_TRANSITIONS=1391} [2021-04-29 07:54:12,130 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 428 predicate places. [2021-04-29 07:54:12,130 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:54:12,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 459 places, 1391 transitions, 44580 flow [2021-04-29 07:54:12,130 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 459 places, 1391 transitions, 44580 flow [2021-04-29 07:54:12,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 1391 transitions, 44580 flow [2021-04-29 07:54:13,264 INFO L129 PetriNetUnfolder]: 1343/3709 cut-off events. [2021-04-29 07:54:13,264 INFO L130 PetriNetUnfolder]: For 146830/146913 co-relation queries the response was YES. [2021-04-29 07:54:13,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41234 conditions, 3709 events. 1343/3709 cut-off events. For 146830/146913 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 37505 event pairs, 8 based on Foata normal form. 5/3703 useless extension candidates. Maximal degree in co-relation 40700. Up to 877 conditions per place. [2021-04-29 07:54:13,365 INFO L146 LiptonReduction]: Number of co-enabled transitions 1806 [2021-04-29 07:54:13,676 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:54:13,676 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:54:13,676 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1546 [2021-04-29 07:54:13,676 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 1391 transitions, 44580 flow [2021-04-29 07:54:13,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:13,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:54:13,677 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:54:13,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-04-29 07:54:13,877 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:54:13,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:54:13,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1913041970, now seen corresponding path program 37 times [2021-04-29 07:54:13,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:54:13,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83822554] [2021-04-29 07:54:13,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:54:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:13,925 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:54:13,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:13,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 68.2 percent of original size [2021-04-29 07:54:13,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 07:54:14,020 INFO L142 QuantifierPusher]: treesize reduction 36, result has 68.7 percent of original size [2021-04-29 07:54:14,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-04-29 07:54:14,106 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-04-29 07:54:14,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:54:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:14,158 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 07:54:14,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:54:14,207 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:54:14,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:14,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83822554] [2021-04-29 07:54:14,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389666925] [2021-04-29 07:54:14,252 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:14,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:54:14,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:54:14,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,326 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 07:54:14,327 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:54:14,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:14,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:14,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:14,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:14,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:14,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:14,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:14,437 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 07:54:14,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:14,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:14,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:14,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:14,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:14,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:14,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:54:14,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:14,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:14,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:14,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:54:14,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:14,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:54:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:14,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:54:14,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 07:54:14,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:54:14,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:54:14,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:54:14,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:14,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:54:14,510 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 07:54:14,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:14,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:14,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:14,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:14,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:54:14,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:54:14,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101217735] [2021-04-29 07:54:14,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:54:14,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:54:14,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:54:14,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:54:14,540 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:54:14,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 1391 transitions, 44580 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:14,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:54:14,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:54:14,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:14,879 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2021-04-29 07:54:18,940 INFO L129 PetriNetUnfolder]: 1467/3907 cut-off events. [2021-04-29 07:54:18,940 INFO L130 PetriNetUnfolder]: For 154533/154552 co-relation queries the response was YES. [2021-04-29 07:54:18,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46406 conditions, 3907 events. 1467/3907 cut-off events. For 154533/154552 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 38522 event pairs, 51 based on Foata normal form. 21/3928 useless extension candidates. Maximal degree in co-relation 45937. Up to 2924 conditions per place. [2021-04-29 07:54:19,014 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1343 selfloop transitions, 90 changer transitions 1/1440 dead transitions. [2021-04-29 07:54:19,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 1440 transitions, 49203 flow [2021-04-29 07:54:19,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 07:54:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 07:54:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 250 transitions. [2021-04-29 07:54:19,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44642857142857145 [2021-04-29 07:54:19,015 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 250 transitions. [2021-04-29 07:54:19,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 250 transitions. [2021-04-29 07:54:19,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:19,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 250 transitions. [2021-04-29 07:54:19,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.857142857142858) internal successors, (250), 14 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:19,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:19,017 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:19,017 INFO L185 Difference]: Start difference. First operand has 459 places, 1391 transitions, 44580 flow. Second operand 14 states and 250 transitions. [2021-04-29 07:54:19,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 1440 transitions, 49203 flow [2021-04-29 07:54:21,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 1440 transitions, 48624 flow, removed 281 selfloop flow, removed 3 redundant places. [2021-04-29 07:54:21,234 INFO L241 Difference]: Finished difference. Result has 474 places, 1419 transitions, 45394 flow [2021-04-29 07:54:21,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=44103, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=45394, PETRI_PLACES=474, PETRI_TRANSITIONS=1419} [2021-04-29 07:54:21,236 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 443 predicate places. [2021-04-29 07:54:21,236 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:54:21,236 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 1419 transitions, 45394 flow [2021-04-29 07:54:21,236 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 1419 transitions, 45394 flow [2021-04-29 07:54:21,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 1419 transitions, 45394 flow [2021-04-29 07:54:22,441 INFO L129 PetriNetUnfolder]: 1360/3757 cut-off events. [2021-04-29 07:54:22,441 INFO L130 PetriNetUnfolder]: For 148383/148466 co-relation queries the response was YES. [2021-04-29 07:54:22,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41980 conditions, 3757 events. 1360/3757 cut-off events. For 148383/148466 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 38121 event pairs, 9 based on Foata normal form. 5/3752 useless extension candidates. Maximal degree in co-relation 41439. Up to 880 conditions per place. [2021-04-29 07:54:22,551 INFO L146 LiptonReduction]: Number of co-enabled transitions 1864 [2021-04-29 07:54:22,927 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:54:22,928 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:54:22,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1692 [2021-04-29 07:54:22,928 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 1419 transitions, 45394 flow [2021-04-29 07:54:22,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:22,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:54:22,929 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:54:23,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:23,138 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:54:23,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:54:23,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1522456150, now seen corresponding path program 38 times [2021-04-29 07:54:23,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:54:23,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897115630] [2021-04-29 07:54:23,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:54:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:23,176 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-04-29 07:54:23,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:54:23,203 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size [2021-04-29 07:54:23,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:23,246 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.6 percent of original size [2021-04-29 07:54:23,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 07:54:23,317 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-04-29 07:54:23,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:54:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:54:23,396 INFO L142 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-04-29 07:54:23,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:23,435 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-04-29 07:54:23,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:23,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897115630] [2021-04-29 07:54:23,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147708205] [2021-04-29 07:54:23,466 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:23,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:54:23,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:54:23,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:54:23,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:54:23,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:23,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:23,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:23,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:23,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:54:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:54:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:54:23,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:54:23,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,574 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-04-29 07:54:23,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:54:23,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:23,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:23,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:23,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:23,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:23,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:23,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:23,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,661 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 07:54:23,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:23,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:23,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:23,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:23,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:23,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:23,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:23,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:23,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:54:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:23,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:54:23,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:54:23,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 07:54:23,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:54:23,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:54:23,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:54:23,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:23,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:54:23,698 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 07:54:23,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:23,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:23,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:23,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:23,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:54:23,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 07:54:23,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046934381] [2021-04-29 07:54:23,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:54:23,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:54:23,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:54:23,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:54:23,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 40 [2021-04-29 07:54:23,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 1419 transitions, 45394 flow. Second operand has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:23,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:54:23,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 40 [2021-04-29 07:54:23,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:24,139 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-04-29 07:54:24,284 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2021-04-29 07:54:24,612 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-04-29 07:54:25,149 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2021-04-29 07:54:25,313 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-04-29 07:54:27,945 INFO L129 PetriNetUnfolder]: 1441/3990 cut-off events. [2021-04-29 07:54:27,945 INFO L130 PetriNetUnfolder]: For 158589/158728 co-relation queries the response was YES. [2021-04-29 07:54:28,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46837 conditions, 3990 events. 1441/3990 cut-off events. For 158589/158728 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 40486 event pairs, 1 based on Foata normal form. 27/4010 useless extension candidates. Maximal degree in co-relation 46294. Up to 2100 conditions per place. [2021-04-29 07:54:28,032 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1052 selfloop transitions, 403 changer transitions 0/1549 dead transitions. [2021-04-29 07:54:28,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 1549 transitions, 51612 flow [2021-04-29 07:54:28,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 07:54:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 07:54:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 384 transitions. [2021-04-29 07:54:28,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2021-04-29 07:54:28,034 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 384 transitions. [2021-04-29 07:54:28,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 384 transitions. [2021-04-29 07:54:28,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:28,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 384 transitions. [2021-04-29 07:54:28,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 21.333333333333332) internal successors, (384), 18 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:28,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:28,036 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:28,036 INFO L185 Difference]: Start difference. First operand has 474 places, 1419 transitions, 45394 flow. Second operand 18 states and 384 transitions. [2021-04-29 07:54:28,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 1549 transitions, 51612 flow [2021-04-29 07:54:30,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 1549 transitions, 51410 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-04-29 07:54:30,676 INFO L241 Difference]: Finished difference. Result has 495 places, 1536 transitions, 49838 flow [2021-04-29 07:54:30,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=45192, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=49838, PETRI_PLACES=495, PETRI_TRANSITIONS=1536} [2021-04-29 07:54:30,677 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 464 predicate places. [2021-04-29 07:54:30,677 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:54:30,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 1536 transitions, 49838 flow [2021-04-29 07:54:30,678 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 1536 transitions, 49838 flow [2021-04-29 07:54:30,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 1536 transitions, 49838 flow [2021-04-29 07:54:31,971 INFO L129 PetriNetUnfolder]: 1432/3974 cut-off events. [2021-04-29 07:54:31,972 INFO L130 PetriNetUnfolder]: For 162750/162875 co-relation queries the response was YES. [2021-04-29 07:54:32,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45827 conditions, 3974 events. 1432/3974 cut-off events. For 162750/162875 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 40793 event pairs, 1 based on Foata normal form. 4/3972 useless extension candidates. Maximal degree in co-relation 45270. Up to 964 conditions per place. [2021-04-29 07:54:32,092 INFO L146 LiptonReduction]: Number of co-enabled transitions 2022 [2021-04-29 07:54:32,441 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:54:32,441 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:54:32,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1764 [2021-04-29 07:54:32,442 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 1536 transitions, 49838 flow [2021-04-29 07:54:32,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:32,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:54:32,442 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:54:32,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-04-29 07:54:32,643 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:54:32,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:54:32,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2002089067, now seen corresponding path program 4 times [2021-04-29 07:54:32,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:54:32,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918051852] [2021-04-29 07:54:32,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:54:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:32,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:32,702 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:54:32,704 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:54:32,786 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.7 percent of original size [2021-04-29 07:54:32,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:54:32,817 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 07:54:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:32,840 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-04-29 07:54:32,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:32,864 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:54:32,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:32,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918051852] [2021-04-29 07:54:32,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486350971] [2021-04-29 07:54:32,885 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:32,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:54:32,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:54:32,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:54:32,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:54:32,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:32,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:32,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:32,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,957 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 07:54:32,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:54:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:32,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:32,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:32,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:32,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:32,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:32,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:33,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:33,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:33,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:33,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,065 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:54:33,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:33,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:54:33,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:33,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:54:33,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:54:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:33,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:33,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:54:33,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:54:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:33,089 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-04-29 07:54:33,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,091 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-04-29 07:54:33,092 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-04-29 07:54:33,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:54:33,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 07:54:33,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,106 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:54:33,108 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:33,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:33,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:54:33,112 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2021-04-29 07:54:33,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:33,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:33,155 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-04-29 07:54:33,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:33,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:33,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:54:33,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:33,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:33,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:33,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:33,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:33,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:54:33,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:54:33,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658499275] [2021-04-29 07:54:33,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 07:54:33,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:54:33,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 07:54:33,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-04-29 07:54:33,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:54:33,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 1536 transitions, 49838 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:33,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:54:33,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:54:33,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:37,539 INFO L129 PetriNetUnfolder]: 1604/4271 cut-off events. [2021-04-29 07:54:37,540 INFO L130 PetriNetUnfolder]: For 176452/176494 co-relation queries the response was YES. [2021-04-29 07:54:37,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52349 conditions, 4271 events. 1604/4271 cut-off events. For 176452/176494 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42862 event pairs, 64 based on Foata normal form. 45/4316 useless extension candidates. Maximal degree in co-relation 51768. Up to 3218 conditions per place. [2021-04-29 07:54:37,630 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1510 selfloop transitions, 79 changer transitions 2/1597 dead transitions. [2021-04-29 07:54:37,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 1597 transitions, 54753 flow [2021-04-29 07:54:37,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:54:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:54:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 203 transitions. [2021-04-29 07:54:37,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46136363636363636 [2021-04-29 07:54:37,631 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 203 transitions. [2021-04-29 07:54:37,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 203 transitions. [2021-04-29 07:54:37,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:37,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 203 transitions. [2021-04-29 07:54:37,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.454545454545453) internal successors, (203), 11 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:37,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:54:37,632 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:54:37,632 INFO L185 Difference]: Start difference. First operand has 495 places, 1536 transitions, 49838 flow. Second operand 11 states and 203 transitions. [2021-04-29 07:54:37,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 1597 transitions, 54753 flow [2021-04-29 07:54:40,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 1597 transitions, 54329 flow, removed 203 selfloop flow, removed 3 redundant places. [2021-04-29 07:54:40,534 INFO L241 Difference]: Finished difference. Result has 506 places, 1581 transitions, 51014 flow [2021-04-29 07:54:40,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=49420, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=51014, PETRI_PLACES=506, PETRI_TRANSITIONS=1581} [2021-04-29 07:54:40,536 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 475 predicate places. [2021-04-29 07:54:40,536 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:54:40,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 1581 transitions, 51014 flow [2021-04-29 07:54:40,536 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 1581 transitions, 51014 flow [2021-04-29 07:54:40,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 506 places, 1581 transitions, 51014 flow [2021-04-29 07:54:42,257 INFO L129 PetriNetUnfolder]: 1480/4100 cut-off events. [2021-04-29 07:54:42,258 INFO L130 PetriNetUnfolder]: For 168350/168523 co-relation queries the response was YES. [2021-04-29 07:54:42,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47236 conditions, 4100 events. 1480/4100 cut-off events. For 168350/168523 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 42289 event pairs, 1 based on Foata normal form. 6/4098 useless extension candidates. Maximal degree in co-relation 46601. Up to 974 conditions per place. [2021-04-29 07:54:42,370 INFO L146 LiptonReduction]: Number of co-enabled transitions 2124 [2021-04-29 07:54:42,767 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:54:42,767 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:54:42,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2231 [2021-04-29 07:54:42,768 INFO L480 AbstractCegarLoop]: Abstraction has has 506 places, 1581 transitions, 51014 flow [2021-04-29 07:54:42,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:42,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:54:42,768 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:54:42,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:42,968 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:54:42,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:54:42,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1595431565, now seen corresponding path program 5 times [2021-04-29 07:54:42,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:54:42,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937397604] [2021-04-29 07:54:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:54:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:43,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,052 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:54:43,054 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:54:43,144 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.7 percent of original size [2021-04-29 07:54:43,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:54:43,179 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 07:54:43,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:54:43,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:43,226 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:54:43,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:43,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937397604] [2021-04-29 07:54:43,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70262935] [2021-04-29 07:54:43,245 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:43,276 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:54:43,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:54:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:54:43,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:54:43,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:43,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:43,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:43,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:43,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:43,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:43,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:43,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:43,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,295 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 07:54:43,296 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:54:43,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:43,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:43,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:43,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:43,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,378 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-04-29 07:54:43,379 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size [2021-04-29 07:54:43,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:54:43,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:54:43,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:54:43,421 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:54:43,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:54:43,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:54:43,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:43,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:43,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:43,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:54:43,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:43,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:54:43,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:43,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:54:43,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:54:43,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:43,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:43,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:54:43,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:54:43,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:54:43,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:54:43,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:43,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:43,496 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:54:43,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,502 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 07:54:43,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:43,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:54:43,504 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:54:43,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:43,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:43,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:43,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:54:43,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:54:43,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752734672] [2021-04-29 07:54:43,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 07:54:43,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:54:43,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 07:54:43,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-04-29 07:54:43,535 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:54:43,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 1581 transitions, 51014 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:43,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:54:43,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:54:43,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:48,207 INFO L129 PetriNetUnfolder]: 1604/4263 cut-off events. [2021-04-29 07:54:48,208 INFO L130 PetriNetUnfolder]: For 177799/177841 co-relation queries the response was YES. [2021-04-29 07:54:48,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52381 conditions, 4263 events. 1604/4263 cut-off events. For 177799/177841 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42746 event pairs, 63 based on Foata normal form. 45/4308 useless extension candidates. Maximal degree in co-relation 51789. Up to 3241 conditions per place. [2021-04-29 07:54:48,303 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1526 selfloop transitions, 62 changer transitions 2/1596 dead transitions. [2021-04-29 07:54:48,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1596 transitions, 54622 flow [2021-04-29 07:54:48,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:54:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:54:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 180 transitions. [2021-04-29 07:54:48,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 07:54:48,304 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 180 transitions. [2021-04-29 07:54:48,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 180 transitions. [2021-04-29 07:54:48,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:48,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 180 transitions. [2021-04-29 07:54:48,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.0) internal successors, (180), 10 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:48,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:48,305 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:48,305 INFO L185 Difference]: Start difference. First operand has 506 places, 1581 transitions, 51014 flow. Second operand 10 states and 180 transitions. [2021-04-29 07:54:48,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1596 transitions, 54622 flow [2021-04-29 07:54:51,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 1596 transitions, 54419 flow, removed 85 selfloop flow, removed 4 redundant places. [2021-04-29 07:54:51,082 INFO L241 Difference]: Finished difference. Result has 513 places, 1587 transitions, 51133 flow [2021-04-29 07:54:51,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=50817, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=51133, PETRI_PLACES=513, PETRI_TRANSITIONS=1587} [2021-04-29 07:54:51,084 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 482 predicate places. [2021-04-29 07:54:51,084 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:54:51,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 1587 transitions, 51133 flow [2021-04-29 07:54:51,084 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 1587 transitions, 51133 flow [2021-04-29 07:54:51,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 1587 transitions, 51133 flow [2021-04-29 07:54:52,737 INFO L129 PetriNetUnfolder]: 1480/4095 cut-off events. [2021-04-29 07:54:52,737 INFO L130 PetriNetUnfolder]: For 169903/170069 co-relation queries the response was YES. [2021-04-29 07:54:52,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47462 conditions, 4095 events. 1480/4095 cut-off events. For 169903/170069 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 42318 event pairs, 1 based on Foata normal form. 11/4099 useless extension candidates. Maximal degree in co-relation 46815. Up to 970 conditions per place. [2021-04-29 07:54:53,068 INFO L146 LiptonReduction]: Number of co-enabled transitions 2136 [2021-04-29 07:54:53,469 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:54:53,469 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:54:53,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2385 [2021-04-29 07:54:53,470 INFO L480 AbstractCegarLoop]: Abstraction has has 513 places, 1587 transitions, 51133 flow [2021-04-29 07:54:53,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:53,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:54:53,470 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:54:53,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:53,671 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:54:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:54:53,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1411910797, now seen corresponding path program 6 times [2021-04-29 07:54:53,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:54:53,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279198869] [2021-04-29 07:54:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:54:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:54:53,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:53,711 INFO L142 QuantifierPusher]: treesize reduction 28, result has 62.2 percent of original size [2021-04-29 07:54:53,712 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.5 percent of original size 43 [2021-04-29 07:54:53,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:54:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:54:53,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:53,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:54:53,841 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:54:53,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:53,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279198869] [2021-04-29 07:54:53,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079488383] [2021-04-29 07:54:53,857 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:54:53,903 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 07:54:53,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:54:53,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 28 conjunts are in the unsatisfiable core [2021-04-29 07:54:53,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:54:53,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:54:53,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:53,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:54:53,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:54:53,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:54:53,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,948 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-04-29 07:54:53,949 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 07:54:53,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:53,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:54:53,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,980 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size 35 [2021-04-29 07:54:53,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-04-29 07:54:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:53,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:53,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,023 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:54:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:54:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:54:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:54:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:54:54,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:54:54,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:54:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:54:54,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:54:54,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:54:54,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-29 07:54:54,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:54:54,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:54:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 07:54:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:54:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:54:54,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:54:54,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:54:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,195 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.7 percent of original size [2021-04-29 07:54:54,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 07:54:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 07:54:54,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 07:54:54,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 07:54:54,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:54:54,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 07:54:54,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 07:54:54,219 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-04-29 07:54:54,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 49 [2021-04-29 07:54:54,220 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size [2021-04-29 07:54:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:54,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:54:54,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:54:54,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:54,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:54:54,232 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:5 [2021-04-29 07:54:54,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:54,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:54:54,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:54:54,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:54:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:54:54,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:54:54,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-04-29 07:54:54,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5792957] [2021-04-29 07:54:54,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 07:54:54,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:54:54,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 07:54:54,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-04-29 07:54:54,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 40 [2021-04-29 07:54:54,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 1587 transitions, 51133 flow. Second operand has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:54,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:54:54,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 40 [2021-04-29 07:54:54,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:54:58,921 INFO L129 PetriNetUnfolder]: 1604/4262 cut-off events. [2021-04-29 07:54:58,921 INFO L130 PetriNetUnfolder]: For 178603/178645 co-relation queries the response was YES. [2021-04-29 07:54:58,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52579 conditions, 4262 events. 1604/4262 cut-off events. For 178603/178645 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42767 event pairs, 64 based on Foata normal form. 43/4305 useless extension candidates. Maximal degree in co-relation 51978. Up to 3237 conditions per place. [2021-04-29 07:54:59,014 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1511 selfloop transitions, 77 changer transitions 1/1595 dead transitions. [2021-04-29 07:54:59,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 1595 transitions, 54458 flow [2021-04-29 07:54:59,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:54:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:54:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 206 transitions. [2021-04-29 07:54:59,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4681818181818182 [2021-04-29 07:54:59,015 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 206 transitions. [2021-04-29 07:54:59,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 206 transitions. [2021-04-29 07:54:59,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:54:59,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 206 transitions. [2021-04-29 07:54:59,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.727272727272727) internal successors, (206), 11 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:54:59,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:54:59,016 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:54:59,016 INFO L185 Difference]: Start difference. First operand has 513 places, 1587 transitions, 51133 flow. Second operand 11 states and 206 transitions. [2021-04-29 07:54:59,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 1595 transitions, 54458 flow [2021-04-29 07:55:01,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1595 transitions, 54360 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-04-29 07:55:01,974 INFO L241 Difference]: Finished difference. Result has 516 places, 1588 transitions, 51213 flow [2021-04-29 07:55:01,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51035, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=51213, PETRI_PLACES=516, PETRI_TRANSITIONS=1588} [2021-04-29 07:55:01,976 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 485 predicate places. [2021-04-29 07:55:01,976 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:55:01,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 1588 transitions, 51213 flow [2021-04-29 07:55:01,976 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 1588 transitions, 51213 flow [2021-04-29 07:55:01,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 1588 transitions, 51213 flow [2021-04-29 07:55:03,686 INFO L129 PetriNetUnfolder]: 1481/4093 cut-off events. [2021-04-29 07:55:03,686 INFO L130 PetriNetUnfolder]: For 171432/171615 co-relation queries the response was YES. [2021-04-29 07:55:03,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47654 conditions, 4093 events. 1481/4093 cut-off events. For 171432/171615 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 42275 event pairs, 1 based on Foata normal form. 21/4105 useless extension candidates. Maximal degree in co-relation 47065. Up to 966 conditions per place. [2021-04-29 07:55:03,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 2138 [2021-04-29 07:55:04,215 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:55:04,215 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:55:04,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2239 [2021-04-29 07:55:04,215 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 1588 transitions, 51213 flow [2021-04-29 07:55:04,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 16.066666666666666) internal successors, (241), 15 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:04,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:55:04,216 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:55:04,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-04-29 07:55:04,416 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:55:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:55:04,417 INFO L82 PathProgramCache]: Analyzing trace with hash -601707477, now seen corresponding path program 7 times [2021-04-29 07:55:04,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:55:04,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384831460] [2021-04-29 07:55:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:55:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:55:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:04,474 INFO L142 QuantifierPusher]: treesize reduction 28, result has 71.1 percent of original size [2021-04-29 07:55:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-04-29 07:55:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:55:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:04,635 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:55:04,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:04,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384831460] [2021-04-29 07:55:04,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563141675] [2021-04-29 07:55:04,652 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:55:04,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 07:55:04,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:55:04,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,723 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 07:55:04,723 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 07:55:04,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:04,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:04,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:04,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,756 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-04-29 07:55:04,756 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size [2021-04-29 07:55:04,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:04,797 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 07:55:04,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:55:04,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:04,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:55:04,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:55:04,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:55:04,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,836 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-04-29 07:55:04,837 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 07:55:04,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:04,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:04,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:04,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,871 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-04-29 07:55:04,872 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-04-29 07:55:04,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,874 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-04-29 07:55:04,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:04,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:04,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:55:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:04,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:04,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:04,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:04,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:55:04,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:55:04,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:55:04,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:04,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:04,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:55:04,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:04,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:55:04,905 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:55:04,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:04,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:04,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:04,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:04,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:55:04,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:55:04,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310066527] [2021-04-29 07:55:04,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:55:04,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:55:04,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:55:04,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:55:04,938 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:55:04,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 1588 transitions, 51213 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:04,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:55:04,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:55:04,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:55:10,086 INFO L129 PetriNetUnfolder]: 1604/4262 cut-off events. [2021-04-29 07:55:10,087 INFO L130 PetriNetUnfolder]: For 180408/180427 co-relation queries the response was YES. [2021-04-29 07:55:10,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52804 conditions, 4262 events. 1604/4262 cut-off events. For 180408/180427 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42702 event pairs, 63 based on Foata normal form. 20/4282 useless extension candidates. Maximal degree in co-relation 52196. Up to 3236 conditions per place. [2021-04-29 07:55:10,187 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1503 selfloop transitions, 80 changer transitions 1/1590 dead transitions. [2021-04-29 07:55:10,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 1590 transitions, 54403 flow [2021-04-29 07:55:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:55:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:55:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 280 transitions. [2021-04-29 07:55:10,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4375 [2021-04-29 07:55:10,189 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 280 transitions. [2021-04-29 07:55:10,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 280 transitions. [2021-04-29 07:55:10,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:55:10,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 280 transitions. [2021-04-29 07:55:10,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 17.5) internal successors, (280), 16 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:10,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:10,191 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:10,191 INFO L185 Difference]: Start difference. First operand has 516 places, 1588 transitions, 51213 flow. Second operand 16 states and 280 transitions. [2021-04-29 07:55:10,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 1590 transitions, 54403 flow [2021-04-29 07:55:13,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 1590 transitions, 54292 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 07:55:13,109 INFO L241 Difference]: Finished difference. Result has 526 places, 1588 transitions, 51270 flow [2021-04-29 07:55:13,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51102, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=51270, PETRI_PLACES=526, PETRI_TRANSITIONS=1588} [2021-04-29 07:55:13,110 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 495 predicate places. [2021-04-29 07:55:13,110 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:55:13,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 1588 transitions, 51270 flow [2021-04-29 07:55:13,110 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 1588 transitions, 51270 flow [2021-04-29 07:55:13,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 1588 transitions, 51270 flow [2021-04-29 07:55:14,861 INFO L129 PetriNetUnfolder]: 1484/4100 cut-off events. [2021-04-29 07:55:14,862 INFO L130 PetriNetUnfolder]: For 172813/172991 co-relation queries the response was YES. [2021-04-29 07:55:14,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47932 conditions, 4100 events. 1484/4100 cut-off events. For 172813/172991 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 42254 event pairs, 0 based on Foata normal form. 7/4099 useless extension candidates. Maximal degree in co-relation 47265. Up to 970 conditions per place. [2021-04-29 07:55:14,971 INFO L146 LiptonReduction]: Number of co-enabled transitions 2138 [2021-04-29 07:55:15,412 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:55:15,412 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:55:15,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2302 [2021-04-29 07:55:15,412 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 1588 transitions, 51270 flow [2021-04-29 07:55:15,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:15,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:55:15,413 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:55:15,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-04-29 07:55:15,613 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:55:15,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:55:15,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1254340245, now seen corresponding path program 8 times [2021-04-29 07:55:15,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:55:15,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104855948] [2021-04-29 07:55:15,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:55:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:55:15,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:55:15,671 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:55:15,673 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:55:15,759 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.7 percent of original size [2021-04-29 07:55:15,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:55:15,792 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-04-29 07:55:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:55:15,826 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-04-29 07:55:15,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:55:15,849 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:55:15,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:15,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104855948] [2021-04-29 07:55:15,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634567957] [2021-04-29 07:55:15,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:15,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:55:15,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:55:15,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 31 conjunts are in the unsatisfiable core [2021-04-29 07:55:15,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:55:15,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:15,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:15,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:15,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:55:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:16,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:16,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:16,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,047 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size 36 [2021-04-29 07:55:16,048 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-04-29 07:55:16,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:16,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:55:16,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:16,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:16,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:16,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:55:16,079 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-04-29 07:55:16,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,081 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-04-29 07:55:16,081 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-04-29 07:55:16,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:16,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 07:55:16,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,095 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:55:16,096 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,098 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-29 07:55:16,099 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 07:55:16,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:55:16,099 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2021-04-29 07:55:16,100 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 07:55:16,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:55:16,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:55:16,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:55:16,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:55:16,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:16,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,139 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:55:16,140 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:16,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-29 07:55:16,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:16,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:16,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:16,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:16,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:16,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:55:16,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:55:16,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697978317] [2021-04-29 07:55:16,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:55:16,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:55:16,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:55:16,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:55:16,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:55:16,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 1588 transitions, 51270 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:16,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:55:16,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:55:16,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:55:16,480 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2021-04-29 07:55:21,309 INFO L129 PetriNetUnfolder]: 1628/4321 cut-off events. [2021-04-29 07:55:21,309 INFO L130 PetriNetUnfolder]: For 184669/184711 co-relation queries the response was YES. [2021-04-29 07:55:21,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53687 conditions, 4321 events. 1628/4321 cut-off events. For 184669/184711 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 43448 event pairs, 58 based on Foata normal form. 46/4367 useless extension candidates. Maximal degree in co-relation 53072. Up to 3251 conditions per place. [2021-04-29 07:55:21,420 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1515 selfloop transitions, 95 changer transitions 2/1618 dead transitions. [2021-04-29 07:55:21,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 1618 transitions, 55322 flow [2021-04-29 07:55:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:55:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:55:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 217 transitions. [2021-04-29 07:55:21,422 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45208333333333334 [2021-04-29 07:55:21,422 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 217 transitions. [2021-04-29 07:55:21,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 217 transitions. [2021-04-29 07:55:21,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:55:21,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 217 transitions. [2021-04-29 07:55:21,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.083333333333332) internal successors, (217), 12 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:21,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:21,423 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:21,423 INFO L185 Difference]: Start difference. First operand has 526 places, 1588 transitions, 51270 flow. Second operand 12 states and 217 transitions. [2021-04-29 07:55:21,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 1618 transitions, 55322 flow [2021-04-29 07:55:24,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 1618 transitions, 55198 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-04-29 07:55:24,455 INFO L241 Difference]: Finished difference. Result has 532 places, 1610 transitions, 52029 flow [2021-04-29 07:55:24,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51147, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=52029, PETRI_PLACES=532, PETRI_TRANSITIONS=1610} [2021-04-29 07:55:24,456 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 501 predicate places. [2021-04-29 07:55:24,456 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:55:24,456 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 532 places, 1610 transitions, 52029 flow [2021-04-29 07:55:24,457 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 532 places, 1610 transitions, 52029 flow [2021-04-29 07:55:24,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 532 places, 1610 transitions, 52029 flow [2021-04-29 07:55:26,023 INFO L129 PetriNetUnfolder]: 1500/4125 cut-off events. [2021-04-29 07:55:26,023 INFO L130 PetriNetUnfolder]: For 176856/177088 co-relation queries the response was YES. [2021-04-29 07:55:26,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48567 conditions, 4125 events. 1500/4125 cut-off events. For 176856/177088 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 42569 event pairs, 1 based on Foata normal form. 11/4127 useless extension candidates. Maximal degree in co-relation 48303. Up to 982 conditions per place. [2021-04-29 07:55:26,156 INFO L146 LiptonReduction]: Number of co-enabled transitions 2166 [2021-04-29 07:55:26,624 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:55:26,625 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:55:26,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2169 [2021-04-29 07:55:26,625 INFO L480 AbstractCegarLoop]: Abstraction has has 532 places, 1610 transitions, 52029 flow [2021-04-29 07:55:26,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:26,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:55:26,625 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:55:26,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2021-04-29 07:55:26,826 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:55:26,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:55:26,827 INFO L82 PathProgramCache]: Analyzing trace with hash 423736542, now seen corresponding path program 39 times [2021-04-29 07:55:26,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:55:26,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81318470] [2021-04-29 07:55:26,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:55:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:55:26,854 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 07:55:26,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:26,880 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size [2021-04-29 07:55:26,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:55:26,928 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.6 percent of original size [2021-04-29 07:55:26,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 07:55:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:27,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:27,045 INFO L142 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-04-29 07:55:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:55:27,087 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-04-29 07:55:27,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:27,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81318470] [2021-04-29 07:55:27,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033377775] [2021-04-29 07:55:27,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:27,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:55:27,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:55:27,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:55:27,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:55:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:55:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:27,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:27,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:55:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:55:27,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,176 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-04-29 07:55:27,177 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 07:55:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:27,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,199 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-04-29 07:55:27,200 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 07:55:27,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:27,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,231 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-04-29 07:55:27,232 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 07:55:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:27,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:27,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:27,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-04-29 07:55:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:27,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:27,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:27,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:27,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:27,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,299 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 07:55:27,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:55:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:55:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:55:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:27,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:55:27,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:55:27,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:55:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:55:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:55:27,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:55:27,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 07:55:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:55:27,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:55:27,332 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:55:27,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:27,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:55:27,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 07:55:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:27,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:27,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:27,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:55:27,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 07:55:27,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623844083] [2021-04-29 07:55:27,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:55:27,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:55:27,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:55:27,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:55:27,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 40 [2021-04-29 07:55:27,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 1610 transitions, 52029 flow. Second operand has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:27,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:55:27,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 40 [2021-04-29 07:55:27,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:55:27,919 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-04-29 07:55:28,839 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-04-29 07:55:32,213 INFO L129 PetriNetUnfolder]: 1560/4290 cut-off events. [2021-04-29 07:55:32,213 INFO L130 PetriNetUnfolder]: For 189682/189928 co-relation queries the response was YES. [2021-04-29 07:55:32,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53557 conditions, 4290 events. 1560/4290 cut-off events. For 189682/189928 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 44259 event pairs, 2 based on Foata normal form. 31/4311 useless extension candidates. Maximal degree in co-relation 53289. Up to 2204 conditions per place. [2021-04-29 07:55:32,319 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1087 selfloop transitions, 520 changer transitions 1/1710 dead transitions. [2021-04-29 07:55:32,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 1710 transitions, 58301 flow [2021-04-29 07:55:32,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-04-29 07:55:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-04-29 07:55:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 477 transitions. [2021-04-29 07:55:32,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5420454545454545 [2021-04-29 07:55:32,321 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 477 transitions. [2021-04-29 07:55:32,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 477 transitions. [2021-04-29 07:55:32,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:55:32,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 477 transitions. [2021-04-29 07:55:32,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 21.681818181818183) internal successors, (477), 22 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:32,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 40.0) internal successors, (920), 23 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:32,324 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 40.0) internal successors, (920), 23 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:32,324 INFO L185 Difference]: Start difference. First operand has 532 places, 1610 transitions, 52029 flow. Second operand 22 states and 477 transitions. [2021-04-29 07:55:32,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 1710 transitions, 58301 flow [2021-04-29 07:55:35,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 1710 transitions, 58068 flow, removed 85 selfloop flow, removed 6 redundant places. [2021-04-29 07:55:35,773 INFO L241 Difference]: Finished difference. Result has 555 places, 1690 transitions, 55896 flow [2021-04-29 07:55:35,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=51808, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=444, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=55896, PETRI_PLACES=555, PETRI_TRANSITIONS=1690} [2021-04-29 07:55:35,775 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 524 predicate places. [2021-04-29 07:55:35,775 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:55:35,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 555 places, 1690 transitions, 55896 flow [2021-04-29 07:55:35,775 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 555 places, 1690 transitions, 55896 flow [2021-04-29 07:55:35,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 555 places, 1690 transitions, 55896 flow [2021-04-29 07:55:37,585 INFO L129 PetriNetUnfolder]: 1558/4310 cut-off events. [2021-04-29 07:55:37,586 INFO L130 PetriNetUnfolder]: For 198397/198632 co-relation queries the response was YES. [2021-04-29 07:55:37,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52655 conditions, 4310 events. 1558/4310 cut-off events. For 198397/198632 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 44787 event pairs, 1 based on Foata normal form. 22/4321 useless extension candidates. Maximal degree in co-relation 52387. Up to 1025 conditions per place. [2021-04-29 07:55:37,717 INFO L146 LiptonReduction]: Number of co-enabled transitions 2298 [2021-04-29 07:55:38,182 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:55:38,183 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:55:38,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2408 [2021-04-29 07:55:38,183 INFO L480 AbstractCegarLoop]: Abstraction has has 555 places, 1690 transitions, 55896 flow [2021-04-29 07:55:38,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:38,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:55:38,183 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:55:38,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:38,384 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:55:38,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:55:38,385 INFO L82 PathProgramCache]: Analyzing trace with hash -68062905, now seen corresponding path program 9 times [2021-04-29 07:55:38,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:55:38,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421566796] [2021-04-29 07:55:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:55:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:55:38,412 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 07:55:38,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:55:38,442 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:55:38,445 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:55:38,550 INFO L142 QuantifierPusher]: treesize reduction 102, result has 35.4 percent of original size [2021-04-29 07:55:38,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 07:55:38,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:55:38,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:55:38,661 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:55:38,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:38,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421566796] [2021-04-29 07:55:38,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984347301] [2021-04-29 07:55:38,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:38,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 07:55:38,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:55:38,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:55:38,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:55:38,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:38,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:38,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:55:38,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:38,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:38,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,910 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 07:55:38,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:38,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:55:38,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:38,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:55:38,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:55:38,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:55:38,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:38,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:38,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:55:38,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:38,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:38,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:55:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:55:38,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:55:38,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:55:38,954 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 28 [2021-04-29 07:55:38,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,957 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-04-29 07:55:38,958 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 07:55:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:38,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:55:38,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,980 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,981 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:55:38,982 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:55:38,986 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-04-29 07:55:38,987 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,989 INFO L142 QuantifierPusher]: treesize reduction 26, result has 68.7 percent of original size [2021-04-29 07:55:38,990 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 07:55:38,991 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:38,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:38,999 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-04-29 07:55:39,000 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:55:39,002 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,006 INFO L147 QuantifierPusher]: treesize reduction 17, result has 15.0 percent of original size 3 [2021-04-29 07:55:39,007 INFO L147 QuantifierPusher]: treesize reduction 20, result has 70.1 percent of original size 47 [2021-04-29 07:55:39,008 INFO L147 QuantifierPusher]: treesize reduction 20, result has 70.1 percent of original size 47 [2021-04-29 07:55:39,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-04-29 07:55:39,009 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:67 [2021-04-29 07:55:39,009 INFO L142 QuantifierPusher]: treesize reduction 20, result has 70.1 percent of original size [2021-04-29 07:55:39,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:55:39,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:55:39,097 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-04-29 07:55:39,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:55:39,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:55:39,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:55:39,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,102 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:55:39,103 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:39,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:39,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:39,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:39,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:39,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:55:39,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:55:39,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005147347] [2021-04-29 07:55:39,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:55:39,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:55:39,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:55:39,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:55:39,131 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:55:39,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 1690 transitions, 55896 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:39,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:55:39,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:55:39,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:55:45,557 INFO L129 PetriNetUnfolder]: 1729/4603 cut-off events. [2021-04-29 07:55:45,558 INFO L130 PetriNetUnfolder]: For 213717/213736 co-relation queries the response was YES. [2021-04-29 07:55:45,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59457 conditions, 4603 events. 1729/4603 cut-off events. For 213717/213736 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 46889 event pairs, 71 based on Foata normal form. 23/4626 useless extension candidates. Maximal degree in co-relation 59184. Up to 3482 conditions per place. [2021-04-29 07:55:45,672 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1651 selfloop transitions, 74 changer transitions 8/1739 dead transitions. [2021-04-29 07:55:45,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 1739 transitions, 60711 flow [2021-04-29 07:55:45,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 07:55:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 07:55:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 237 transitions. [2021-04-29 07:55:45,673 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45576923076923076 [2021-04-29 07:55:45,673 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 237 transitions. [2021-04-29 07:55:45,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 237 transitions. [2021-04-29 07:55:45,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:55:45,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 237 transitions. [2021-04-29 07:55:45,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:45,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:45,675 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 40.0) internal successors, (560), 14 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:45,675 INFO L185 Difference]: Start difference. First operand has 555 places, 1690 transitions, 55896 flow. Second operand 13 states and 237 transitions. [2021-04-29 07:55:45,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 1739 transitions, 60711 flow [2021-04-29 07:55:49,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 1739 transitions, 59780 flow, removed 435 selfloop flow, removed 5 redundant places. [2021-04-29 07:55:49,342 INFO L241 Difference]: Finished difference. Result has 566 places, 1724 transitions, 56125 flow [2021-04-29 07:55:49,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=54973, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=56125, PETRI_PLACES=566, PETRI_TRANSITIONS=1724} [2021-04-29 07:55:49,344 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 535 predicate places. [2021-04-29 07:55:49,344 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:55:49,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 1724 transitions, 56125 flow [2021-04-29 07:55:49,344 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 1724 transitions, 56125 flow [2021-04-29 07:55:49,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 566 places, 1724 transitions, 56125 flow [2021-04-29 07:55:51,387 INFO L129 PetriNetUnfolder]: 1580/4363 cut-off events. [2021-04-29 07:55:51,387 INFO L130 PetriNetUnfolder]: For 199242/199430 co-relation queries the response was YES. [2021-04-29 07:55:51,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53013 conditions, 4363 events. 1580/4363 cut-off events. For 199242/199430 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 45510 event pairs, 1 based on Foata normal form. 15/4364 useless extension candidates. Maximal degree in co-relation 52741. Up to 933 conditions per place. [2021-04-29 07:55:51,513 INFO L146 LiptonReduction]: Number of co-enabled transitions 2312 [2021-04-29 07:55:51,992 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:55:51,993 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:55:51,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2649 [2021-04-29 07:55:51,993 INFO L480 AbstractCegarLoop]: Abstraction has has 566 places, 1724 transitions, 56125 flow [2021-04-29 07:55:51,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:51,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:55:51,993 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:55:52,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:52,194 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:55:52,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:55:52,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1569859223, now seen corresponding path program 10 times [2021-04-29 07:55:52,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:55:52,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695495404] [2021-04-29 07:55:52,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:55:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:55:52,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 07:55:52,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:55:52,250 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:55:52,252 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:55:52,342 INFO L142 QuantifierPusher]: treesize reduction 102, result has 35.4 percent of original size [2021-04-29 07:55:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 07:55:52,411 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 07:55:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:55:52,439 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-04-29 07:55:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,467 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:55:52,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:52,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695495404] [2021-04-29 07:55:52,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333559315] [2021-04-29 07:55:52,483 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:55:52,512 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:55:52,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:55:52,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 07:55:52,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:55:52,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:55:52,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,589 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-04-29 07:55:52,590 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 07:55:52,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:55:52,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:55:52,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:55:52,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,621 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-04-29 07:55:52,622 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-04-29 07:55:52,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:52,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:52,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:55:52,658 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 07:55:52,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:55:52,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:55:52,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:55:52,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:55:52,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:52,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:55:52,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:55:52,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:55:52,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:55:52,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:55:52,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:55:52,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:55:52,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:55:52,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:55:52,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:52,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:55:52,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:55:52,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,740 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 07:55:52,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:52,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:55:52,742 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:55:52,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:52,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:55:52,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:55:52,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:55:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:55:52,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:55:52,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:55:52,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093991639] [2021-04-29 07:55:52,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:55:52,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:55:52,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:55:52,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:55:52,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:55:52,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1724 transitions, 56125 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:52,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:55:52,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:55:52,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:55:58,400 INFO L129 PetriNetUnfolder]: 1743/4662 cut-off events. [2021-04-29 07:55:58,401 INFO L130 PetriNetUnfolder]: For 212708/212727 co-relation queries the response was YES. [2021-04-29 07:55:58,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59687 conditions, 4662 events. 1743/4662 cut-off events. For 212708/212727 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47780 event pairs, 71 based on Foata normal form. 22/4684 useless extension candidates. Maximal degree in co-relation 59410. Up to 3519 conditions per place. [2021-04-29 07:55:58,516 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1695 selfloop transitions, 62 changer transitions 6/1769 dead transitions. [2021-04-29 07:55:58,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 1769 transitions, 61116 flow [2021-04-29 07:55:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 07:55:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 07:55:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2021-04-29 07:55:58,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46111111111111114 [2021-04-29 07:55:58,517 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 166 transitions. [2021-04-29 07:55:58,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 166 transitions. [2021-04-29 07:55:58,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:55:58,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 166 transitions. [2021-04-29 07:55:58,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 9 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:58,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:58,518 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:55:58,518 INFO L185 Difference]: Start difference. First operand has 566 places, 1724 transitions, 56125 flow. Second operand 9 states and 166 transitions. [2021-04-29 07:55:58,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 1769 transitions, 61116 flow [2021-04-29 07:56:02,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 1769 transitions, 60934 flow, removed 61 selfloop flow, removed 4 redundant places. [2021-04-29 07:56:02,595 INFO L241 Difference]: Finished difference. Result has 574 places, 1752 transitions, 57124 flow [2021-04-29 07:56:02,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=55943, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=57124, PETRI_PLACES=574, PETRI_TRANSITIONS=1752} [2021-04-29 07:56:02,597 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 543 predicate places. [2021-04-29 07:56:02,597 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:56:02,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 1752 transitions, 57124 flow [2021-04-29 07:56:02,597 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 1752 transitions, 57124 flow [2021-04-29 07:56:02,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 574 places, 1752 transitions, 57124 flow [2021-04-29 07:56:04,780 INFO L129 PetriNetUnfolder]: 1601/4412 cut-off events. [2021-04-29 07:56:04,780 INFO L130 PetriNetUnfolder]: For 204347/204561 co-relation queries the response was YES. [2021-04-29 07:56:04,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53993 conditions, 4412 events. 1601/4412 cut-off events. For 204347/204561 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 46006 event pairs, 1 based on Foata normal form. 10/4408 useless extension candidates. Maximal degree in co-relation 53716. Up to 952 conditions per place. [2021-04-29 07:56:04,991 INFO L146 LiptonReduction]: Number of co-enabled transitions 2356 [2021-04-29 07:56:05,494 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:56:05,494 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:56:05,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2897 [2021-04-29 07:56:05,495 INFO L480 AbstractCegarLoop]: Abstraction has has 574 places, 1752 transitions, 57124 flow [2021-04-29 07:56:05,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:05,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:56:05,495 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:56:05,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:05,702 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:56:05,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:56:05,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1622647047, now seen corresponding path program 11 times [2021-04-29 07:56:05,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:56:05,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391871541] [2021-04-29 07:56:05,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:56:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:56:05,727 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 07:56:05,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:05,756 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:56:05,757 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:56:05,857 INFO L142 QuantifierPusher]: treesize reduction 102, result has 35.4 percent of original size [2021-04-29 07:56:05,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 07:56:05,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 07:56:05,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:05,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:56:05,970 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:56:05,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:05,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391871541] [2021-04-29 07:56:05,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406191269] [2021-04-29 07:56:05,989 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:06,018 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:56:06,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:56:06,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:56:06,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:56:06,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:06,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:06,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:06,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:06,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:06,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:06,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:06,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:06,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,037 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-04-29 07:56:06,038 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 07:56:06,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:56:06,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:56:06,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:56:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:56:06,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,116 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-04-29 07:56:06,117 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size [2021-04-29 07:56:06,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:06,159 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 07:56:06,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:06,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:56:06,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:56:06,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:06,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:06,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:06,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:06,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:06,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:56:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:06,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:06,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:56:06,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:56:06,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:06,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:56:06,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:06,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:06,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:56:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:06,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:56:06,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:56:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:06,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:06,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:56:06,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,303 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 07:56:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:06,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:56:06,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:56:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:06,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:06,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:56:06,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:56:06,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587909362] [2021-04-29 07:56:06,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 07:56:06,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:56:06,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 07:56:06,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-04-29 07:56:06,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:56:06,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 1752 transitions, 57124 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:06,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:56:06,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:56:06,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:56:12,415 INFO L129 PetriNetUnfolder]: 1746/4660 cut-off events. [2021-04-29 07:56:12,415 INFO L130 PetriNetUnfolder]: For 215983/216021 co-relation queries the response was YES. [2021-04-29 07:56:12,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60041 conditions, 4660 events. 1746/4660 cut-off events. For 215983/216021 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 47754 event pairs, 77 based on Foata normal form. 31/4691 useless extension candidates. Maximal degree in co-relation 59759. Up to 3553 conditions per place. [2021-04-29 07:56:12,536 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1712 selfloop transitions, 42 changer transitions 3/1763 dead transitions. [2021-04-29 07:56:12,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 1763 transitions, 60910 flow [2021-04-29 07:56:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 07:56:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 07:56:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 163 transitions. [2021-04-29 07:56:12,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4527777777777778 [2021-04-29 07:56:12,537 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 163 transitions. [2021-04-29 07:56:12,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 163 transitions. [2021-04-29 07:56:12,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:56:12,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 163 transitions. [2021-04-29 07:56:12,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.11111111111111) internal successors, (163), 9 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:12,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:12,539 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:12,539 INFO L185 Difference]: Start difference. First operand has 574 places, 1752 transitions, 57124 flow. Second operand 9 states and 163 transitions. [2021-04-29 07:56:12,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 1763 transitions, 60910 flow [2021-04-29 07:56:16,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 1763 transitions, 60820 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-04-29 07:56:16,301 INFO L241 Difference]: Finished difference. Result has 579 places, 1758 transitions, 57281 flow [2021-04-29 07:56:16,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=57035, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=57281, PETRI_PLACES=579, PETRI_TRANSITIONS=1758} [2021-04-29 07:56:16,303 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 548 predicate places. [2021-04-29 07:56:16,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:56:16,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 579 places, 1758 transitions, 57281 flow [2021-04-29 07:56:16,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 579 places, 1758 transitions, 57281 flow [2021-04-29 07:56:16,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 579 places, 1758 transitions, 57281 flow [2021-04-29 07:56:18,467 INFO L129 PetriNetUnfolder]: 1604/4419 cut-off events. [2021-04-29 07:56:18,468 INFO L130 PetriNetUnfolder]: For 207697/207912 co-relation queries the response was YES. [2021-04-29 07:56:18,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54274 conditions, 4419 events. 1604/4419 cut-off events. For 207697/207912 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 46163 event pairs, 1 based on Foata normal form. 11/4414 useless extension candidates. Maximal degree in co-relation 53996. Up to 955 conditions per place. [2021-04-29 07:56:18,605 INFO L146 LiptonReduction]: Number of co-enabled transitions 2366 [2021-04-29 07:56:19,114 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:56:19,114 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:56:19,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2811 [2021-04-29 07:56:19,114 INFO L480 AbstractCegarLoop]: Abstraction has has 579 places, 1758 transitions, 57281 flow [2021-04-29 07:56:19,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:19,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:56:19,115 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:56:19,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:19,328 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:56:19,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:56:19,329 INFO L82 PathProgramCache]: Analyzing trace with hash -125445930, now seen corresponding path program 40 times [2021-04-29 07:56:19,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:56:19,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533556853] [2021-04-29 07:56:19,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:56:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:56:19,571 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2021-04-29 07:56:19,573 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:56:19,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:56:19,616 INFO L142 QuantifierPusher]: treesize reduction 29, result has 66.3 percent of original size [2021-04-29 07:56:19,617 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size 49 [2021-04-29 07:56:19,730 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-04-29 07:56:19,732 INFO L142 QuantifierPusher]: treesize reduction 29, result has 58.0 percent of original size [2021-04-29 07:56:19,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:56:19,808 INFO L142 QuantifierPusher]: treesize reduction 93, result has 28.5 percent of original size [2021-04-29 07:56:19,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:56:19,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:19,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:19,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:19,941 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 07:56:19,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:56:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:20,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533556853] [2021-04-29 07:56:20,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742039353] [2021-04-29 07:56:20,002 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:20,055 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:56:20,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:56:20,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:56:20,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:56:20,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:20,150 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 07:56:20,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:56:20,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:20,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:56:20,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:20,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:20,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:20,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,309 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-04-29 07:56:20,309 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size [2021-04-29 07:56:20,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:20,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:56:20,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:20,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:20,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:20,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:20,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:56:20,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:56:20,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:20,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:20,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:56:20,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-04-29 07:56:20,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:56:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:56:20,334 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:56:20,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,344 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-04-29 07:56:20,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:56:20,344 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:10 [2021-04-29 07:56:20,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-29 07:56:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:20,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:20,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:20,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:20,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:56:20,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:56:20,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214365089] [2021-04-29 07:56:20,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:56:20,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:56:20,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:56:20,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:56:20,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:56:20,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 1758 transitions, 57281 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:20,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:56:20,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:56:20,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:56:26,430 INFO L129 PetriNetUnfolder]: 1752/4676 cut-off events. [2021-04-29 07:56:26,430 INFO L130 PetriNetUnfolder]: For 220563/220582 co-relation queries the response was YES. [2021-04-29 07:56:26,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60488 conditions, 4676 events. 1752/4676 cut-off events. For 220563/220582 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 47952 event pairs, 72 based on Foata normal form. 21/4697 useless extension candidates. Maximal degree in co-relation 60205. Up to 2693 conditions per place. [2021-04-29 07:56:26,537 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1262 selfloop transitions, 519 changer transitions 1/1788 dead transitions. [2021-04-29 07:56:26,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 1788 transitions, 61567 flow [2021-04-29 07:56:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 07:56:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 07:56:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 260 transitions. [2021-04-29 07:56:26,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43333333333333335 [2021-04-29 07:56:26,539 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 260 transitions. [2021-04-29 07:56:26,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 260 transitions. [2021-04-29 07:56:26,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:56:26,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 260 transitions. [2021-04-29 07:56:26,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.333333333333332) internal successors, (260), 15 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:26,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:26,540 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:26,540 INFO L185 Difference]: Start difference. First operand has 579 places, 1758 transitions, 57281 flow. Second operand 15 states and 260 transitions. [2021-04-29 07:56:26,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 1788 transitions, 61567 flow [2021-04-29 07:56:30,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 1788 transitions, 61506 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-04-29 07:56:30,447 INFO L241 Difference]: Finished difference. Result has 593 places, 1772 transitions, 59192 flow [2021-04-29 07:56:30,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=57220, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=505, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=59192, PETRI_PLACES=593, PETRI_TRANSITIONS=1772} [2021-04-29 07:56:30,448 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 562 predicate places. [2021-04-29 07:56:30,449 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:56:30,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 593 places, 1772 transitions, 59192 flow [2021-04-29 07:56:30,449 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 593 places, 1772 transitions, 59192 flow [2021-04-29 07:56:30,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 593 places, 1772 transitions, 59192 flow [2021-04-29 07:56:32,571 INFO L129 PetriNetUnfolder]: 1608/4435 cut-off events. [2021-04-29 07:56:32,571 INFO L130 PetriNetUnfolder]: For 220940/221147 co-relation queries the response was YES. [2021-04-29 07:56:32,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56075 conditions, 4435 events. 1608/4435 cut-off events. For 220940/221147 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 46517 event pairs, 1 based on Foata normal form. 14/4438 useless extension candidates. Maximal degree in co-relation 55758. Up to 954 conditions per place. [2021-04-29 07:56:32,967 INFO L146 LiptonReduction]: Number of co-enabled transitions 2374 [2021-04-29 07:56:33,497 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:56:33,497 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:56:33,497 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3048 [2021-04-29 07:56:33,497 INFO L480 AbstractCegarLoop]: Abstraction has has 593 places, 1772 transitions, 59192 flow [2021-04-29 07:56:33,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:33,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:56:33,498 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:56:33,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-04-29 07:56:33,698 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:56:33,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:56:33,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1710057389, now seen corresponding path program 12 times [2021-04-29 07:56:33,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:56:33,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314589392] [2021-04-29 07:56:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:56:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:56:33,726 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 07:56:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:33,758 INFO L142 QuantifierPusher]: treesize reduction 75, result has 60.1 percent of original size [2021-04-29 07:56:33,759 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:56:33,846 INFO L142 QuantifierPusher]: treesize reduction 102, result has 35.4 percent of original size [2021-04-29 07:56:33,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 07:56:33,911 INFO L142 QuantifierPusher]: treesize reduction 43, result has 52.7 percent of original size [2021-04-29 07:56:33,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 07:56:33,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:33,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:56:33,974 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:56:33,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:33,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314589392] [2021-04-29 07:56:33,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594693040] [2021-04-29 07:56:33,993 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 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:34,022 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:56:34,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:56:34,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:56:34,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:56:34,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:34,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:34,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:34,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:34,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:34,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:34,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,043 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 07:56:34,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:56:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,082 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-04-29 07:56:34,082 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-04-29 07:56:34,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:34,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:34,123 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 07:56:34,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:56:34,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:56:34,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:56:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:56:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:56:34,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,158 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-04-29 07:56:34,158 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-04-29 07:56:34,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:34,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,194 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:56:34,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:34,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:34,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:56:34,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:56:34,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:34,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:56:34,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:34,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:56:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:34,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:56:34,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:56:34,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:34,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:56:34,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:34,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:56:34,224 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:56:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:56:34,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:34,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:56:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:34,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:56:34,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:56:34,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039404760] [2021-04-29 07:56:34,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 07:56:34,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:56:34,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 07:56:34,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-04-29 07:56:34,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:56:34,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 1772 transitions, 59192 flow. Second operand has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:34,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:56:34,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:56:34,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:56:40,026 INFO L129 PetriNetUnfolder]: 1752/4697 cut-off events. [2021-04-29 07:56:40,027 INFO L130 PetriNetUnfolder]: For 232230/232249 co-relation queries the response was YES. [2021-04-29 07:56:40,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62174 conditions, 4697 events. 1752/4697 cut-off events. For 232230/232249 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 48345 event pairs, 70 based on Foata normal form. 20/4717 useless extension candidates. Maximal degree in co-relation 61887. Up to 3573 conditions per place. [2021-04-29 07:56:40,132 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1739 selfloop transitions, 29 changer transitions 3/1777 dead transitions. [2021-04-29 07:56:40,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 1777 transitions, 62905 flow [2021-04-29 07:56:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:56:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:56:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 174 transitions. [2021-04-29 07:56:40,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.435 [2021-04-29 07:56:40,133 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 174 transitions. [2021-04-29 07:56:40,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 174 transitions. [2021-04-29 07:56:40,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:56:40,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 174 transitions. [2021-04-29 07:56:40,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.4) internal successors, (174), 10 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:40,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:40,134 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:40,134 INFO L185 Difference]: Start difference. First operand has 593 places, 1772 transitions, 59192 flow. Second operand 10 states and 174 transitions. [2021-04-29 07:56:40,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 1777 transitions, 62905 flow [2021-04-29 07:56:44,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 1777 transitions, 62529 flow, removed 66 selfloop flow, removed 6 redundant places. [2021-04-29 07:56:44,106 INFO L241 Difference]: Finished difference. Result has 597 places, 1773 transitions, 58926 flow [2021-04-29 07:56:44,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=58817, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1743, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=58926, PETRI_PLACES=597, PETRI_TRANSITIONS=1773} [2021-04-29 07:56:44,108 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 566 predicate places. [2021-04-29 07:56:44,108 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:56:44,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 597 places, 1773 transitions, 58926 flow [2021-04-29 07:56:44,108 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 597 places, 1773 transitions, 58926 flow [2021-04-29 07:56:44,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 597 places, 1773 transitions, 58926 flow [2021-04-29 07:56:46,134 INFO L129 PetriNetUnfolder]: 1612/4435 cut-off events. [2021-04-29 07:56:46,134 INFO L130 PetriNetUnfolder]: For 220007/220209 co-relation queries the response was YES. [2021-04-29 07:56:46,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56208 conditions, 4435 events. 1612/4435 cut-off events. For 220007/220209 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 46330 event pairs, 2 based on Foata normal form. 8/4426 useless extension candidates. Maximal degree in co-relation 55889. Up to 961 conditions per place. [2021-04-29 07:56:46,273 INFO L146 LiptonReduction]: Number of co-enabled transitions 2376 [2021-04-29 07:56:46,781 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:56:46,781 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:56:46,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2673 [2021-04-29 07:56:46,781 INFO L480 AbstractCegarLoop]: Abstraction has has 597 places, 1773 transitions, 58926 flow [2021-04-29 07:56:46,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.166666666666666) internal successors, (182), 12 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:46,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:56:46,782 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:56:46,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:46,989 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:56:46,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:56:46,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1893998238, now seen corresponding path program 41 times [2021-04-29 07:56:46,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:56:46,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550421502] [2021-04-29 07:56:46,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:56:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:56:47,021 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:56:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:56:47,052 INFO L142 QuantifierPusher]: treesize reduction 27, result has 68.2 percent of original size [2021-04-29 07:56:47,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 07:56:47,118 INFO L142 QuantifierPusher]: treesize reduction 23, result has 66.2 percent of original size [2021-04-29 07:56:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:56:47,165 INFO L142 QuantifierPusher]: treesize reduction 93, result has 28.5 percent of original size [2021-04-29 07:56:47,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:56:47,430 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 17 [2021-04-29 07:56:47,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:47,471 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 07:56:47,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:56:47,546 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:56:47,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:56:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:47,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550421502] [2021-04-29 07:56:47,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412166530] [2021-04-29 07:56:47,594 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 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:56:47,636 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 07:56:47,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:56:47,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:56:47,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:56:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:56:47,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:56:47,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,680 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size 28 [2021-04-29 07:56:47,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-04-29 07:56:47,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:56:47,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,713 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size 34 [2021-04-29 07:56:47,713 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 07:56:47,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:56:47,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:56:47,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:56:47,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,745 INFO L147 QuantifierPusher]: treesize reduction 10, result has 76.7 percent of original size 33 [2021-04-29 07:56:47,746 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.7 percent of original size [2021-04-29 07:56:47,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:47,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:47,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:56:47,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,783 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-04-29 07:56:47,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:47,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:56:47,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:56:47,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:56:47,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:47,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:56:47,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:56:47,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:56:47,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:56:47,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:56:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:56:47,829 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 45 [2021-04-29 07:56:47,830 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-04-29 07:56:47,831 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 07:56:47,832 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:56:47,833 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,834 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:56:47,835 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,836 INFO L142 QuantifierPusher]: treesize reduction 32, result has 50.8 percent of original size [2021-04-29 07:56:47,838 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-04-29 07:56:47,839 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 07:56:47,839 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:56:47,840 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:56:47,845 INFO L147 QuantifierPusher]: treesize reduction 20, result has 71.0 percent of original size 49 [2021-04-29 07:56:47,847 INFO L142 QuantifierPusher]: treesize reduction 35, result has 49.3 percent of original size [2021-04-29 07:56:47,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:56:47,848 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 3 xjuncts. [2021-04-29 07:56:47,878 INFO L628 ElimStorePlain]: treesize reduction 24, result has 51.0 percent of original size [2021-04-29 07:56:47,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,880 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:56:47,881 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:56:47,884 INFO L147 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size 26 [2021-04-29 07:56:47,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:56:47,884 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:33 [2021-04-29 07:56:47,885 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.8 percent of original size [2021-04-29 07:56:47,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:56:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:56:47,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 07:56:47,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:56:47,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:56:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:56:47,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,940 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:56:47,941 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:56:47,942 INFO L142 QuantifierPusher]: treesize reduction 13, result has 50.0 percent of original size [2021-04-29 07:56:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:56:47,943 INFO L147 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size 7 [2021-04-29 07:56:47,944 INFO L142 QuantifierPusher]: treesize reduction 5, result has 58.3 percent of original size [2021-04-29 07:56:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:56:47,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:56:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:56:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:56:47,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:56:47,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:56:47,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466302119] [2021-04-29 07:56:47,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:56:47,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:56:47,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:56:47,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:56:47,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:56:47,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 597 places, 1773 transitions, 58926 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:47,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:56:47,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:56:47,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:56:48,515 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2021-04-29 07:56:54,301 INFO L129 PetriNetUnfolder]: 1754/4705 cut-off events. [2021-04-29 07:56:54,301 INFO L130 PetriNetUnfolder]: For 231586/231624 co-relation queries the response was YES. [2021-04-29 07:56:54,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62306 conditions, 4705 events. 1754/4705 cut-off events. For 231586/231624 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 48453 event pairs, 62 based on Foata normal form. 36/4741 useless extension candidates. Maximal degree in co-relation 62018. Up to 3502 conditions per place. [2021-04-29 07:56:54,414 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1681 selfloop transitions, 90 changer transitions 15/1792 dead transitions. [2021-04-29 07:56:54,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 1792 transitions, 63097 flow [2021-04-29 07:56:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-04-29 07:56:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-04-29 07:56:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 317 transitions. [2021-04-29 07:56:54,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44027777777777777 [2021-04-29 07:56:54,415 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 317 transitions. [2021-04-29 07:56:54,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 317 transitions. [2021-04-29 07:56:54,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:56:54,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 317 transitions. [2021-04-29 07:56:54,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 17.61111111111111) internal successors, (317), 18 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:54,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:54,418 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 40.0) internal successors, (760), 19 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:56:54,418 INFO L185 Difference]: Start difference. First operand has 597 places, 1773 transitions, 58926 flow. Second operand 18 states and 317 transitions. [2021-04-29 07:56:54,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 1792 transitions, 63097 flow [2021-04-29 07:56:58,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 1792 transitions, 63041 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-04-29 07:56:58,392 INFO L241 Difference]: Finished difference. Result has 611 places, 1770 transitions, 59071 flow [2021-04-29 07:56:58,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=58870, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1773, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=59071, PETRI_PLACES=611, PETRI_TRANSITIONS=1770} [2021-04-29 07:56:58,393 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 580 predicate places. [2021-04-29 07:56:58,393 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:56:58,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 611 places, 1770 transitions, 59071 flow [2021-04-29 07:56:58,393 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 611 places, 1770 transitions, 59071 flow [2021-04-29 07:56:58,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 1770 transitions, 59071 flow [2021-04-29 07:57:00,523 INFO L129 PetriNetUnfolder]: 1611/4403 cut-off events. [2021-04-29 07:57:00,523 INFO L130 PetriNetUnfolder]: For 223748/223966 co-relation queries the response was YES. [2021-04-29 07:57:00,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56380 conditions, 4403 events. 1611/4403 cut-off events. For 223748/223966 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 45743 event pairs, 1 based on Foata normal form. 10/4399 useless extension candidates. Maximal degree in co-relation 56056. Up to 962 conditions per place. [2021-04-29 07:57:00,660 INFO L146 LiptonReduction]: Number of co-enabled transitions 2382 [2021-04-29 07:57:01,195 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:57:01,195 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:57:01,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2802 [2021-04-29 07:57:01,196 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 1770 transitions, 59071 flow [2021-04-29 07:57:01,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:01,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:01,196 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:01,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-04-29 07:57:01,397 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:01,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:01,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1154531025, now seen corresponding path program 13 times [2021-04-29 07:57:01,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:01,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423010185] [2021-04-29 07:57:01,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:01,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:57:01,453 INFO L142 QuantifierPusher]: treesize reduction 72, result has 61.1 percent of original size [2021-04-29 07:57:01,455 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:57:01,538 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.2 percent of original size [2021-04-29 07:57:01,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:57:01,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:57:01,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:01,611 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:57:01,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:01,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423010185] [2021-04-29 07:57:01,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898852766] [2021-04-29 07:57:01,629 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 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:01,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:57:01,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:57:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:01,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:01,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:01,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:01,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:01,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:01,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:01,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:01,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,682 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-04-29 07:57:01,682 INFO L142 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size [2021-04-29 07:57:01,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:01,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,723 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 07:57:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:01,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:01,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:01,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:01,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:01,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:57:01,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:57:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:57:01,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:57:01,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:57:01,809 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:57:01,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:57:01,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:57:01,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:57:01,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,870 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 07:57:01,871 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-04-29 07:57:01,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:01,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:57:01,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:57:01,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:57:01,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:01,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:01,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:57:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:57:01,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:57:01,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:57:01,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:57:01,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:57:01,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:57:01,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,899 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 07:57:01,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:01,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:57:01,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:57:01,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:01,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:01,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:01,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:57:01,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 07:57:01,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117567042] [2021-04-29 07:57:01,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 07:57:01,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:01,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 07:57:01,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-04-29 07:57:01,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:57:01,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 1770 transitions, 59071 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:01,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:01,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:57:01,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:57:08,007 INFO L129 PetriNetUnfolder]: 1762/4698 cut-off events. [2021-04-29 07:57:08,007 INFO L130 PetriNetUnfolder]: For 236998/237048 co-relation queries the response was YES. [2021-04-29 07:57:08,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62765 conditions, 4698 events. 1762/4698 cut-off events. For 236998/237048 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48154 event pairs, 71 based on Foata normal form. 43/4741 useless extension candidates. Maximal degree in co-relation 62473. Up to 3567 conditions per place. [2021-04-29 07:57:08,122 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1726 selfloop transitions, 58 changer transitions 2/1792 dead transitions. [2021-04-29 07:57:08,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 1792 transitions, 63283 flow [2021-04-29 07:57:08,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:57:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:57:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 182 transitions. [2021-04-29 07:57:08,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.455 [2021-04-29 07:57:08,124 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 182 transitions. [2021-04-29 07:57:08,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 182 transitions. [2021-04-29 07:57:08,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:57:08,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 182 transitions. [2021-04-29 07:57:08,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.2) internal successors, (182), 10 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:08,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:08,125 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:08,125 INFO L185 Difference]: Start difference. First operand has 611 places, 1770 transitions, 59071 flow. Second operand 10 states and 182 transitions. [2021-04-29 07:57:08,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 1792 transitions, 63283 flow [2021-04-29 07:57:12,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 1792 transitions, 62675 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-04-29 07:57:12,195 INFO L241 Difference]: Finished difference. Result has 615 places, 1786 transitions, 59084 flow [2021-04-29 07:57:12,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=58466, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1713, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=59084, PETRI_PLACES=615, PETRI_TRANSITIONS=1786} [2021-04-29 07:57:12,197 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 584 predicate places. [2021-04-29 07:57:12,197 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:57:12,197 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 1786 transitions, 59084 flow [2021-04-29 07:57:12,197 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 1786 transitions, 59084 flow [2021-04-29 07:57:12,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 615 places, 1786 transitions, 59084 flow [2021-04-29 07:57:14,382 INFO L129 PetriNetUnfolder]: 1626/4437 cut-off events. [2021-04-29 07:57:14,383 INFO L130 PetriNetUnfolder]: For 228420/228627 co-relation queries the response was YES. [2021-04-29 07:57:14,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56700 conditions, 4437 events. 1626/4437 cut-off events. For 228420/228627 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 46245 event pairs, 1 based on Foata normal form. 14/4439 useless extension candidates. Maximal degree in co-relation 56410. Up to 979 conditions per place. [2021-04-29 07:57:14,773 INFO L146 LiptonReduction]: Number of co-enabled transitions 2388 [2021-04-29 07:57:15,296 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:57:15,296 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:57:15,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3099 [2021-04-29 07:57:15,296 INFO L480 AbstractCegarLoop]: Abstraction has has 615 places, 1786 transitions, 59084 flow [2021-04-29 07:57:15,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:15,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:15,297 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:15,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:15,497 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:15,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:15,498 INFO L82 PathProgramCache]: Analyzing trace with hash 707193302, now seen corresponding path program 42 times [2021-04-29 07:57:15,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:15,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484701256] [2021-04-29 07:57:15,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:15,526 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:57:15,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:57:15,555 INFO L142 QuantifierPusher]: treesize reduction 29, result has 66.3 percent of original size [2021-04-29 07:57:15,556 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size 49 [2021-04-29 07:57:15,620 INFO L142 QuantifierPusher]: treesize reduction 70, result has 51.0 percent of original size [2021-04-29 07:57:15,622 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.9 percent of original size 70 [2021-04-29 07:57:15,710 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-04-29 07:57:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:15,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,777 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 07:57:15,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:57:15,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:15,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484701256] [2021-04-29 07:57:15,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910791364] [2021-04-29 07:57:15,825 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 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:15,855 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 07:57:15,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:57:15,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:57:15,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:57:15,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:15,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,898 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 07:57:15,899 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 07:57:15,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:15,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:15,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:15,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,995 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-04-29 07:57:15,996 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-04-29 07:57:15,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:57:15,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:57:15,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:15,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:57:16,041 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 07:57:16,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:57:16,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:16,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 07:57:16,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:57:16,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:57:16,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:16,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:57:16,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:57:16,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:16,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:57:16,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:16,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:57:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:57:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:57:16,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:57:16,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-04-29 07:57:16,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:57:16,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:57:16,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:57:16,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,144 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-04-29 07:57:16,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:57:16,144 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:10 [2021-04-29 07:57:16,145 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-29 07:57:16,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:57:16,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:57:16,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:16,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:16,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:57:16,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:57:16,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924244336] [2021-04-29 07:57:16,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:57:16,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:16,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:57:16,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:57:16,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:57:16,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 615 places, 1786 transitions, 59084 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:16,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:16,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:57:16,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:57:16,659 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-04-29 07:57:17,108 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2021-04-29 07:57:17,532 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2021-04-29 07:57:23,519 INFO L129 PetriNetUnfolder]: 1799/4793 cut-off events. [2021-04-29 07:57:23,519 INFO L130 PetriNetUnfolder]: For 248580/248618 co-relation queries the response was YES. [2021-04-29 07:57:23,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63965 conditions, 4793 events. 1799/4793 cut-off events. For 248580/248618 co-relation queries the response was YES. Maximal size of possible extension queue 605. Compared 49368 event pairs, 71 based on Foata normal form. 40/4833 useless extension candidates. Maximal degree in co-relation 63670. Up to 2699 conditions per place. [2021-04-29 07:57:23,647 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1196 selfloop transitions, 664 changer transitions 4/1870 dead transitions. [2021-04-29 07:57:23,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 1870 transitions, 65547 flow [2021-04-29 07:57:23,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-04-29 07:57:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-04-29 07:57:23,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 374 transitions. [2021-04-29 07:57:23,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4452380952380952 [2021-04-29 07:57:23,649 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 374 transitions. [2021-04-29 07:57:23,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 374 transitions. [2021-04-29 07:57:23,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:57:23,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 374 transitions. [2021-04-29 07:57:23,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 17.80952380952381) internal successors, (374), 21 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:23,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:23,651 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 40.0) internal successors, (880), 22 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:23,651 INFO L185 Difference]: Start difference. First operand has 615 places, 1786 transitions, 59084 flow. Second operand 21 states and 374 transitions. [2021-04-29 07:57:23,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 1870 transitions, 65547 flow [2021-04-29 07:57:27,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 1870 transitions, 65436 flow, removed 37 selfloop flow, removed 5 redundant places. [2021-04-29 07:57:27,767 INFO L241 Difference]: Finished difference. Result has 636 places, 1847 transitions, 62753 flow [2021-04-29 07:57:27,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=58973, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1786, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=608, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=62753, PETRI_PLACES=636, PETRI_TRANSITIONS=1847} [2021-04-29 07:57:27,769 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 605 predicate places. [2021-04-29 07:57:27,769 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:57:27,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 636 places, 1847 transitions, 62753 flow [2021-04-29 07:57:27,769 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 636 places, 1847 transitions, 62753 flow [2021-04-29 07:57:27,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 636 places, 1847 transitions, 62753 flow [2021-04-29 07:57:30,009 INFO L129 PetriNetUnfolder]: 1661/4522 cut-off events. [2021-04-29 07:57:30,009 INFO L130 PetriNetUnfolder]: For 249534/249741 co-relation queries the response was YES. [2021-04-29 07:57:30,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59639 conditions, 4522 events. 1661/4522 cut-off events. For 249534/249741 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 47040 event pairs, 1 based on Foata normal form. 16/4524 useless extension candidates. Maximal degree in co-relation 59340. Up to 1012 conditions per place. [2021-04-29 07:57:30,154 INFO L146 LiptonReduction]: Number of co-enabled transitions 2440 [2021-04-29 07:57:30,705 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:57:30,705 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:57:30,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2936 [2021-04-29 07:57:30,705 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 1847 transitions, 62753 flow [2021-04-29 07:57:30,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:30,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:30,706 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:30,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:30,906 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1018286156, now seen corresponding path program 43 times [2021-04-29 07:57:30,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:30,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646415928] [2021-04-29 07:57:30,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:30,940 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:57:30,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:57:30,970 INFO L142 QuantifierPusher]: treesize reduction 29, result has 66.3 percent of original size [2021-04-29 07:57:30,972 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size 49 [2021-04-29 07:57:31,040 INFO L142 QuantifierPusher]: treesize reduction 70, result has 51.0 percent of original size [2021-04-29 07:57:31,042 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.9 percent of original size 70 [2021-04-29 07:57:31,135 INFO L142 QuantifierPusher]: treesize reduction 11, result has 73.2 percent of original size [2021-04-29 07:57:31,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:57:31,162 INFO L142 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-04-29 07:57:31,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 07:57:31,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 07:57:31,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 07:57:31,270 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 07:57:31,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:57:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:31,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646415928] [2021-04-29 07:57:31,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876926428] [2021-04-29 07:57:31,318 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 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:57:31,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:57:31,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:31,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,387 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size 36 [2021-04-29 07:57:31,388 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 07:57:31,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:57:31,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,441 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size 42 [2021-04-29 07:57:31,442 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-29 07:57:31,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:57:31,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:57:31,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:57:31,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,483 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.5 percent of original size 42 [2021-04-29 07:57:31,483 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.5 percent of original size [2021-04-29 07:57:31,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:57:31,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:57:31,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:57:31,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,524 INFO L147 QuantifierPusher]: treesize reduction 16, result has 84.2 percent of original size 85 [2021-04-29 07:57:31,525 INFO L142 QuantifierPusher]: treesize reduction 16, result has 84.3 percent of original size [2021-04-29 07:57:31,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:31,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 07:57:31,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 07:57:31,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:31,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-04-29 07:57:31,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 07:57:31,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:57:31,578 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-04-29 07:57:31,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 82 treesize of output 74 [2021-04-29 07:57:31,580 INFO L142 QuantifierPusher]: treesize reduction 7, result has 90.7 percent of original size [2021-04-29 07:57:31,582 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-04-29 07:57:31,582 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:57:31,583 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,584 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-04-29 07:57:31,584 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:57:31,584 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,589 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:57:31,590 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:31,591 INFO L142 QuantifierPusher]: treesize reduction 24, result has 60.0 percent of original size [2021-04-29 07:57:31,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:57:31,594 INFO L147 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size 26 [2021-04-29 07:57:31,595 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-04-29 07:57:31,596 INFO L147 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size 15 [2021-04-29 07:57:31,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:57:31,624 INFO L628 ElimStorePlain]: treesize reduction 11, result has 62.1 percent of original size [2021-04-29 07:57:31,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:57:31,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:57:31,626 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:18 [2021-04-29 07:57:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:57:31,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:57:31,667 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-04-29 07:57:31,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:57:31,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:31,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:57:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:57:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,672 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:57:31,673 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,675 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-04-29 07:57:31,675 INFO L147 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size 7 [2021-04-29 07:57:31,676 INFO L142 QuantifierPusher]: treesize reduction 12, result has 36.8 percent of original size [2021-04-29 07:57:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:57:31,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:31,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:31,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:57:31,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:57:31,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471862123] [2021-04-29 07:57:31,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:57:31,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:31,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:57:31,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:57:31,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:57:31,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 1847 transitions, 62753 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:31,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:31,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:57:31,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:57:32,128 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2021-04-29 07:57:32,536 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-29 07:57:39,223 INFO L129 PetriNetUnfolder]: 1915/5091 cut-off events. [2021-04-29 07:57:39,223 INFO L130 PetriNetUnfolder]: For 284853/284872 co-relation queries the response was YES. [2021-04-29 07:57:39,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70055 conditions, 5091 events. 1915/5091 cut-off events. For 284853/284872 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52893 event pairs, 73 based on Foata normal form. 21/5112 useless extension candidates. Maximal degree in co-relation 69751. Up to 3613 conditions per place. [2021-04-29 07:57:39,356 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 1671 selfloop transitions, 336 changer transitions 1/2014 dead transitions. [2021-04-29 07:57:39,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 2014 transitions, 73311 flow [2021-04-29 07:57:39,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-29 07:57:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-04-29 07:57:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 315 transitions. [2021-04-29 07:57:39,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4632352941176471 [2021-04-29 07:57:39,357 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 315 transitions. [2021-04-29 07:57:39,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 315 transitions. [2021-04-29 07:57:39,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:57:39,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 315 transitions. [2021-04-29 07:57:39,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 18.529411764705884) internal successors, (315), 17 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) [2021-04-29 07:57:39,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:39,359 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 40.0) internal successors, (720), 18 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:39,359 INFO L185 Difference]: Start difference. First operand has 636 places, 1847 transitions, 62753 flow. Second operand 17 states and 315 transitions. [2021-04-29 07:57:39,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 2014 transitions, 73311 flow [2021-04-29 07:57:44,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 2014 transitions, 72895 flow, removed 166 selfloop flow, removed 8 redundant places. [2021-04-29 07:57:44,278 INFO L241 Difference]: Finished difference. Result has 648 places, 1970 transitions, 68375 flow [2021-04-29 07:57:44,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=62353, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1847, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=68375, PETRI_PLACES=648, PETRI_TRANSITIONS=1970} [2021-04-29 07:57:44,280 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 617 predicate places. [2021-04-29 07:57:44,280 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:57:44,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 1970 transitions, 68375 flow [2021-04-29 07:57:44,281 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 1970 transitions, 68375 flow [2021-04-29 07:57:44,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 648 places, 1970 transitions, 68375 flow [2021-04-29 07:57:46,944 INFO L129 PetriNetUnfolder]: 1778/4831 cut-off events. [2021-04-29 07:57:46,944 INFO L130 PetriNetUnfolder]: For 279315/279543 co-relation queries the response was YES. [2021-04-29 07:57:47,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64704 conditions, 4831 events. 1778/4831 cut-off events. For 279315/279543 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 50765 event pairs, 1 based on Foata normal form. 16/4837 useless extension candidates. Maximal degree in co-relation 64401. Up to 1064 conditions per place. [2021-04-29 07:57:47,387 INFO L146 LiptonReduction]: Number of co-enabled transitions 2602 [2021-04-29 07:57:48,052 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:57:48,052 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:57:48,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3772 [2021-04-29 07:57:48,052 INFO L480 AbstractCegarLoop]: Abstraction has has 648 places, 1970 transitions, 68375 flow [2021-04-29 07:57:48,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:48,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:57:48,053 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:57:48,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,57 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:48,253 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:57:48,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:57:48,254 INFO L82 PathProgramCache]: Analyzing trace with hash -567380557, now seen corresponding path program 14 times [2021-04-29 07:57:48,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:57:48,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942717402] [2021-04-29 07:57:48,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:57:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:57:48,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:57:48,314 INFO L142 QuantifierPusher]: treesize reduction 72, result has 61.1 percent of original size [2021-04-29 07:57:48,315 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:57:48,406 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.2 percent of original size [2021-04-29 07:57:48,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:57:48,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:57:48,466 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-04-29 07:57:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,497 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:57:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:48,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942717402] [2021-04-29 07:57:48,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073997771] [2021-04-29 07:57:48,518 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 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:57:48,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:57:48,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:57:48,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 07:57:48,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:57:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:57:48,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,593 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-04-29 07:57:48,594 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-04-29 07:57:48,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:57:48,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:57:48,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:57:48,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:57:48,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 07:57:48,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,680 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-04-29 07:57:48,681 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-29 07:57:48,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:57:48,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,739 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-04-29 07:57:48,740 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 07:57:48,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:48,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:57:48,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:57:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:57:48,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:57:48,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:57:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:57:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:57:48,768 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-04-29 07:57:48,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,770 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-04-29 07:57:48,770 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-04-29 07:57:48,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:57:48,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 07:57:48,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,785 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:57:48,786 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,788 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-29 07:57:48,789 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 07:57:48,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:57:48,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2021-04-29 07:57:48,790 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 07:57:48,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:57:48,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:57:48,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:57:48,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:57:48,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:57:48,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:57:48,825 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 07:57:48,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:57:48,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:57:48,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:57:48,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,830 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 07:57:48,831 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:57:48,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-29 07:57:48,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:48,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:48,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:57:48,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:57:48,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:57:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:57:48,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:57:48,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:57:48,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220631461] [2021-04-29 07:57:48,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:57:48,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:57:48,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:57:48,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:57:48,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:57:48,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 1970 transitions, 68375 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:48,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:57:48,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:57:48,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:57:55,857 INFO L129 PetriNetUnfolder]: 1931/5127 cut-off events. [2021-04-29 07:57:55,858 INFO L130 PetriNetUnfolder]: For 295249/295268 co-relation queries the response was YES. [2021-04-29 07:57:55,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71393 conditions, 5127 events. 1931/5127 cut-off events. For 295249/295268 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 53310 event pairs, 69 based on Foata normal form. 21/5148 useless extension candidates. Maximal degree in co-relation 71085. Up to 3858 conditions per place. [2021-04-29 07:57:55,987 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1910 selfloop transitions, 72 changer transitions 7/1995 dead transitions. [2021-04-29 07:57:55,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 1995 transitions, 73154 flow [2021-04-29 07:57:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 07:57:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 07:57:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 219 transitions. [2021-04-29 07:57:55,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45625 [2021-04-29 07:57:55,988 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 219 transitions. [2021-04-29 07:57:55,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 219 transitions. [2021-04-29 07:57:55,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:57:55,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 219 transitions. [2021-04-29 07:57:55,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.25) internal successors, (219), 12 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:55,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:55,990 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:57:55,990 INFO L185 Difference]: Start difference. First operand has 648 places, 1970 transitions, 68375 flow. Second operand 12 states and 219 transitions. [2021-04-29 07:57:55,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 1995 transitions, 73154 flow [2021-04-29 07:58:01,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 1995 transitions, 72549 flow, removed 209 selfloop flow, removed 10 redundant places. [2021-04-29 07:58:01,334 INFO L241 Difference]: Finished difference. Result has 651 places, 1984 transitions, 68430 flow [2021-04-29 07:58:01,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=67770, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1898, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=68430, PETRI_PLACES=651, PETRI_TRANSITIONS=1984} [2021-04-29 07:58:01,336 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 620 predicate places. [2021-04-29 07:58:01,336 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:01,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 1984 transitions, 68430 flow [2021-04-29 07:58:01,337 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 1984 transitions, 68430 flow [2021-04-29 07:58:01,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 651 places, 1984 transitions, 68430 flow [2021-04-29 07:58:03,951 INFO L129 PetriNetUnfolder]: 1792/4878 cut-off events. [2021-04-29 07:58:03,951 INFO L130 PetriNetUnfolder]: For 284755/284977 co-relation queries the response was YES. [2021-04-29 07:58:04,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65090 conditions, 4878 events. 1792/4878 cut-off events. For 284755/284977 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 51612 event pairs, 2 based on Foata normal form. 14/4879 useless extension candidates. Maximal degree in co-relation 64784. Up to 1076 conditions per place. [2021-04-29 07:58:04,112 INFO L146 LiptonReduction]: Number of co-enabled transitions 2608 [2021-04-29 07:58:04,757 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:04,758 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:04,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3422 [2021-04-29 07:58:04,758 INFO L480 AbstractCegarLoop]: Abstraction has has 651 places, 1984 transitions, 68430 flow [2021-04-29 07:58:04,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:04,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:04,758 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:04,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:04,959 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:04,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:04,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2023350606, now seen corresponding path program 44 times [2021-04-29 07:58:04,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:04,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343363868] [2021-04-29 07:58:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:04,987 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:58:04,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:05,017 INFO L142 QuantifierPusher]: treesize reduction 29, result has 66.3 percent of original size [2021-04-29 07:58:05,018 INFO L147 QuantifierPusher]: treesize reduction 8, result has 86.0 percent of original size 49 [2021-04-29 07:58:05,085 INFO L142 QuantifierPusher]: treesize reduction 70, result has 51.0 percent of original size [2021-04-29 07:58:05,086 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.9 percent of original size 70 [2021-04-29 07:58:05,176 INFO L142 QuantifierPusher]: treesize reduction 77, result has 37.9 percent of original size [2021-04-29 07:58:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:58:05,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,267 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 07:58:05,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:05,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343363868] [2021-04-29 07:58:05,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524792053] [2021-04-29 07:58:05,309 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 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:05,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:58:05,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:05,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:58:05,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:05,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:05,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:58:05,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 07:58:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 07:58:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 07:58:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 07:58:05,472 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 07:58:05,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:58:05,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 07:58:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:58:05,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:05,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,530 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-04-29 07:58:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:05,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:05,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,599 INFO L142 QuantifierPusher]: treesize reduction 21, result has 80.6 percent of original size [2021-04-29 07:58:05,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 07:58:05,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 07:58:05,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 07:58:05,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 07:58:05,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-29 07:58:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-29 07:58:05,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 07:58:05,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 07:58:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:58:05,636 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-04-29 07:58:05,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 56 [2021-04-29 07:58:05,637 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.7 percent of original size [2021-04-29 07:58:05,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:05,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:58:05,640 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-04-29 07:58:05,640 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-04-29 07:58:05,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,641 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:05,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,652 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-04-29 07:58:05,653 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:05,653 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:87, output treesize:10 [2021-04-29 07:58:05,653 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-29 07:58:05,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:05,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:05,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:58:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:05,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:05,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:58:05,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853160815] [2021-04-29 07:58:05,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:58:05,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:05,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:58:05,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:58:05,686 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:05,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 1984 transitions, 68430 flow. Second operand has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:05,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:05,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:05,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:06,255 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2021-04-29 07:58:13,624 INFO L129 PetriNetUnfolder]: 1944/5180 cut-off events. [2021-04-29 07:58:13,624 INFO L130 PetriNetUnfolder]: For 303420/303458 co-relation queries the response was YES. [2021-04-29 07:58:13,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72103 conditions, 5180 events. 1944/5180 cut-off events. For 303420/303458 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 54092 event pairs, 73 based on Foata normal form. 43/5223 useless extension candidates. Maximal degree in co-relation 71664. Up to 2883 conditions per place. [2021-04-29 07:58:13,755 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1358 selfloop transitions, 673 changer transitions 6/2043 dead transitions. [2021-04-29 07:58:13,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 2043 transitions, 74417 flow [2021-04-29 07:58:13,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 07:58:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 07:58:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 333 transitions. [2021-04-29 07:58:13,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4381578947368421 [2021-04-29 07:58:13,756 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 333 transitions. [2021-04-29 07:58:13,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 333 transitions. [2021-04-29 07:58:13,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:13,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 333 transitions. [2021-04-29 07:58:13,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 17.526315789473685) internal successors, (333), 19 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:13,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 40.0) internal successors, (800), 20 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) [2021-04-29 07:58:13,758 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 40.0) internal successors, (800), 20 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) [2021-04-29 07:58:13,758 INFO L185 Difference]: Start difference. First operand has 651 places, 1984 transitions, 68430 flow. Second operand 19 states and 333 transitions. [2021-04-29 07:58:13,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 2043 transitions, 74417 flow [2021-04-29 07:58:18,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 2043 transitions, 74212 flow, removed 50 selfloop flow, removed 7 redundant places. [2021-04-29 07:58:18,987 INFO L241 Difference]: Finished difference. Result has 669 places, 2019 transitions, 71634 flow [2021-04-29 07:58:18,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=68225, PETRI_DIFFERENCE_MINUEND_PLACES=644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1984, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=638, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=71634, PETRI_PLACES=669, PETRI_TRANSITIONS=2019} [2021-04-29 07:58:18,989 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 638 predicate places. [2021-04-29 07:58:18,989 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:18,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 2019 transitions, 71634 flow [2021-04-29 07:58:18,990 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 2019 transitions, 71634 flow [2021-04-29 07:58:19,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 669 places, 2019 transitions, 71634 flow [2021-04-29 07:58:21,744 INFO L129 PetriNetUnfolder]: 1803/4912 cut-off events. [2021-04-29 07:58:21,745 INFO L130 PetriNetUnfolder]: For 304956/305213 co-relation queries the response was YES. [2021-04-29 07:58:21,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67505 conditions, 4912 events. 1803/4912 cut-off events. For 304956/305213 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 52006 event pairs, 2 based on Foata normal form. 16/4912 useless extension candidates. Maximal degree in co-relation 67193. Up to 1081 conditions per place. [2021-04-29 07:58:22,225 INFO L146 LiptonReduction]: Number of co-enabled transitions 2646 [2021-04-29 07:58:22,897 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:22,897 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:22,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3908 [2021-04-29 07:58:22,898 INFO L480 AbstractCegarLoop]: Abstraction has has 669 places, 2019 transitions, 71634 flow [2021-04-29 07:58:22,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.142857142857142) internal successors, (212), 14 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:22,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:22,898 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:23,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,59 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:23,103 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:23,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:23,104 INFO L82 PathProgramCache]: Analyzing trace with hash -656365106, now seen corresponding path program 45 times [2021-04-29 07:58:23,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:23,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383430440] [2021-04-29 07:58:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:23,140 INFO L142 QuantifierPusher]: treesize reduction 56, result has 36.4 percent of original size [2021-04-29 07:58:23,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:23,169 INFO L142 QuantifierPusher]: treesize reduction 27, result has 68.2 percent of original size [2021-04-29 07:58:23,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 07:58:23,248 INFO L142 QuantifierPusher]: treesize reduction 75, result has 47.6 percent of original size [2021-04-29 07:58:23,249 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.6 percent of original size 65 [2021-04-29 07:58:23,323 INFO L142 QuantifierPusher]: treesize reduction 77, result has 37.9 percent of original size [2021-04-29 07:58:23,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:58:23,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:23,405 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 07:58:23,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:58:23,463 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:58:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:58:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:23,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383430440] [2021-04-29 07:58:23,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423666360] [2021-04-29 07:58:23,514 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 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:23,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 07:58:23,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:23,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:58:23,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:23,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,582 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size 36 [2021-04-29 07:58:23,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-29 07:58:23,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,638 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-04-29 07:58:23,638 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-04-29 07:58:23,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 07:58:23,682 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-04-29 07:58:23,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 07:58:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:23,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:23,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,726 INFO L147 QuantifierPusher]: treesize reduction 16, result has 80.0 percent of original size 64 [2021-04-29 07:58:23,727 INFO L142 QuantifierPusher]: treesize reduction 16, result has 80.0 percent of original size [2021-04-29 07:58:23,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 07:58:23,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,780 INFO L142 QuantifierPusher]: treesize reduction 21, result has 63.2 percent of original size [2021-04-29 07:58:23,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 07:58:23,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 07:58:23,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:23,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:23,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:58:23,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:23,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:23,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:23,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:23,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 07:58:23,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:58:23,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:58:23,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:58:23,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:58:23,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:58:23,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-04-29 07:58:23,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:23,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:23,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:58:23,813 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,815 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-04-29 07:58:23,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:23,816 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:10 [2021-04-29 07:58:23,818 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-29 07:58:23,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:23,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:23,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:23,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:58:23,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614575479] [2021-04-29 07:58:23,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:58:23,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:23,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:58:23,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:58:23,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:23,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 2019 transitions, 71634 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:23,848 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:23,848 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:23,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:24,323 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-04-29 07:58:25,177 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2021-04-29 07:58:32,088 INFO L129 PetriNetUnfolder]: 1947/5163 cut-off events. [2021-04-29 07:58:32,088 INFO L130 PetriNetUnfolder]: For 320449/320499 co-relation queries the response was YES. [2021-04-29 07:58:32,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74041 conditions, 5163 events. 1947/5163 cut-off events. For 320449/320499 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 53717 event pairs, 72 based on Foata normal form. 55/5218 useless extension candidates. Maximal degree in co-relation 73595. Up to 3713 conditions per place. [2021-04-29 07:58:32,225 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1794 selfloop transitions, 240 changer transitions 5/2045 dead transitions. [2021-04-29 07:58:32,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 2045 transitions, 76499 flow [2021-04-29 07:58:32,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:58:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:58:32,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 279 transitions. [2021-04-29 07:58:32,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4359375 [2021-04-29 07:58:32,227 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 279 transitions. [2021-04-29 07:58:32,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 279 transitions. [2021-04-29 07:58:32,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:32,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 279 transitions. [2021-04-29 07:58:32,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 17.4375) internal successors, (279), 16 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:32,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:32,229 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:32,229 INFO L185 Difference]: Start difference. First operand has 669 places, 2019 transitions, 71634 flow. Second operand 16 states and 279 transitions. [2021-04-29 07:58:32,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 2045 transitions, 76499 flow [2021-04-29 07:58:37,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 2045 transitions, 76340 flow, removed 56 selfloop flow, removed 8 redundant places. [2021-04-29 07:58:37,707 INFO L241 Difference]: Finished difference. Result has 679 places, 2025 transitions, 72309 flow [2021-04-29 07:58:37,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=71479, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2019, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=72309, PETRI_PLACES=679, PETRI_TRANSITIONS=2025} [2021-04-29 07:58:37,709 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 648 predicate places. [2021-04-29 07:58:37,710 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:37,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 2025 transitions, 72309 flow [2021-04-29 07:58:37,710 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 2025 transitions, 72309 flow [2021-04-29 07:58:37,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 2025 transitions, 72309 flow [2021-04-29 07:58:40,549 INFO L129 PetriNetUnfolder]: 1807/4921 cut-off events. [2021-04-29 07:58:40,549 INFO L130 PetriNetUnfolder]: For 307904/308148 co-relation queries the response was YES. [2021-04-29 07:58:40,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67869 conditions, 4921 events. 1807/4921 cut-off events. For 307904/308148 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 52016 event pairs, 2 based on Foata normal form. 14/4920 useless extension candidates. Maximal degree in co-relation 67454. Up to 1086 conditions per place. [2021-04-29 07:58:40,715 INFO L146 LiptonReduction]: Number of co-enabled transitions 2650 [2021-04-29 07:58:41,374 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:41,374 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:41,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3664 [2021-04-29 07:58:41,375 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 2025 transitions, 72309 flow [2021-04-29 07:58:41,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:41,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:41,375 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:41,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:41,576 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:41,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:41,576 INFO L82 PathProgramCache]: Analyzing trace with hash -793621170, now seen corresponding path program 46 times [2021-04-29 07:58:41,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:41,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097276914] [2021-04-29 07:58:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:41,602 INFO L142 QuantifierPusher]: treesize reduction 53, result has 37.6 percent of original size [2021-04-29 07:58:41,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:41,630 INFO L142 QuantifierPusher]: treesize reduction 29, result has 66.7 percent of original size [2021-04-29 07:58:41,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-29 07:58:41,701 INFO L142 QuantifierPusher]: treesize reduction 75, result has 47.6 percent of original size [2021-04-29 07:58:41,702 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.6 percent of original size 65 [2021-04-29 07:58:41,768 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-04-29 07:58:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:58:41,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:41,821 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 07:58:41,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:58:41,878 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:58:41,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:58:41,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:41,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097276914] [2021-04-29 07:58:41,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007779196] [2021-04-29 07:58:41,925 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:41,954 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:58:41,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:58:41,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:58:41,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:58:41,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:41,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:41,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:42,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:42,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:42,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:58:42,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:58:42,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:58:42,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:58:42,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:58:42,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,068 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-04-29 07:58:42,069 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 07:58:42,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:58:42,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:58:42,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:58:42,108 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 07:58:42,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 07:58:42,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:58:42,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:42,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:42,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:58:42,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:42,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:58:42,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:58:42,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:58:42,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:58:42,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:58:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:58:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:58:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:58:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:58:42,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:58:42,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:58:42,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 07:58:42,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:42,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:58:42,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:58:42,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:58:42,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 07:58:42,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:58:42,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:58:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:58:42,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:58:42,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 07:58:42,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989757099] [2021-04-29 07:58:42,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 07:58:42,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:58:42,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 07:58:42,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-04-29 07:58:42,210 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:58:42,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 2025 transitions, 72309 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:42,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:58:42,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:58:42,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:58:43,830 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-04-29 07:58:50,450 INFO L129 PetriNetUnfolder]: 1952/5180 cut-off events. [2021-04-29 07:58:50,450 INFO L130 PetriNetUnfolder]: For 323144/323163 co-relation queries the response was YES. [2021-04-29 07:58:50,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74522 conditions, 5180 events. 1952/5180 cut-off events. For 323144/323163 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54052 event pairs, 70 based on Foata normal form. 22/5202 useless extension candidates. Maximal degree in co-relation 74202. Up to 3763 conditions per place. [2021-04-29 07:58:50,583 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1821 selfloop transitions, 223 changer transitions 4/2054 dead transitions. [2021-04-29 07:58:50,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 2054 transitions, 77328 flow [2021-04-29 07:58:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 07:58:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 07:58:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 267 transitions. [2021-04-29 07:58:50,586 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.445 [2021-04-29 07:58:50,586 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 267 transitions. [2021-04-29 07:58:50,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 267 transitions. [2021-04-29 07:58:50,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:58:50,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 267 transitions. [2021-04-29 07:58:50,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 17.8) internal successors, (267), 15 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:50,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:50,588 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 40.0) internal successors, (640), 16 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:50,588 INFO L185 Difference]: Start difference. First operand has 679 places, 2025 transitions, 72309 flow. Second operand 15 states and 267 transitions. [2021-04-29 07:58:50,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 2054 transitions, 77328 flow [2021-04-29 07:58:55,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 683 places, 2054 transitions, 76445 flow, removed 55 selfloop flow, removed 10 redundant places. [2021-04-29 07:58:56,051 INFO L241 Difference]: Finished difference. Result has 685 places, 2036 transitions, 72333 flow [2021-04-29 07:58:56,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=71452, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1802, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=72333, PETRI_PLACES=685, PETRI_TRANSITIONS=2036} [2021-04-29 07:58:56,053 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 654 predicate places. [2021-04-29 07:58:56,053 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:58:56,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 685 places, 2036 transitions, 72333 flow [2021-04-29 07:58:56,054 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 685 places, 2036 transitions, 72333 flow [2021-04-29 07:58:56,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 685 places, 2036 transitions, 72333 flow [2021-04-29 07:58:58,782 INFO L129 PetriNetUnfolder]: 1814/4929 cut-off events. [2021-04-29 07:58:58,782 INFO L130 PetriNetUnfolder]: For 313254/313501 co-relation queries the response was YES. [2021-04-29 07:58:58,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67851 conditions, 4929 events. 1814/4929 cut-off events. For 313254/313501 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 51992 event pairs, 2 based on Foata normal form. 14/4928 useless extension candidates. Maximal degree in co-relation 67534. Up to 1083 conditions per place. [2021-04-29 07:58:58,955 INFO L146 LiptonReduction]: Number of co-enabled transitions 2662 [2021-04-29 07:58:59,616 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:58:59,616 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:58:59,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3563 [2021-04-29 07:58:59,617 INFO L480 AbstractCegarLoop]: Abstraction has has 685 places, 2036 transitions, 72333 flow [2021-04-29 07:58:59,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:58:59,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:58:59,617 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:58:59,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:58:59,818 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:58:59,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:58:59,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1663159061, now seen corresponding path program 15 times [2021-04-29 07:58:59,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:58:59,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436037589] [2021-04-29 07:58:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:58:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:58:59,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:58:59,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:58:59,885 INFO L142 QuantifierPusher]: treesize reduction 72, result has 61.1 percent of original size [2021-04-29 07:58:59,887 INFO L147 QuantifierPusher]: treesize reduction 39, result has 65.5 percent of original size 74 [2021-04-29 07:58:59,982 INFO L142 QuantifierPusher]: treesize reduction 12, result has 78.2 percent of original size [2021-04-29 07:58:59,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:00,018 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-04-29 07:59:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:00,055 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-04-29 07:59:00,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,082 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:59:00,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:00,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436037589] [2021-04-29 07:59:00,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116677667] [2021-04-29 07:59:00,102 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 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:00,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-04-29 07:59:00,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:00,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 32 conjunts are in the unsatisfiable core [2021-04-29 07:59:00,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:00,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:00,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:00,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:00,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:00,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,248 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-04-29 07:59:00,249 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 07:59:00,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:00,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:00,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:00,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,294 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-04-29 07:59:00,295 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 07:59:00,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:59:00,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:00,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:59:00,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:59:00,321 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 30 [2021-04-29 07:59:00,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,324 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-04-29 07:59:00,324 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-04-29 07:59:00,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:00,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:59:00,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:00,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:00,356 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:38 [2021-04-29 07:59:00,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:00,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:00,404 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-04-29 07:59:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:59:00,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,408 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-04-29 07:59:00,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:00,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,411 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 07:59:00,412 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,414 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-04-29 07:59:00,415 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,421 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-04-29 07:59:00,422 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-04-29 07:59:00,423 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,426 INFO L147 QuantifierPusher]: treesize reduction 9, result has 80.9 percent of original size 38 [2021-04-29 07:59:00,427 INFO L147 QuantifierPusher]: treesize reduction 12, result has 84.6 percent of original size 66 [2021-04-29 07:59:00,428 INFO L147 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size 70 [2021-04-29 07:59:00,429 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-04-29 07:59:00,430 INFO L147 QuantifierPusher]: treesize reduction 11, result has 84.3 percent of original size 59 [2021-04-29 07:59:00,531 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-04-29 07:59:00,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:00,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:59:00,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,537 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-04-29 07:59:00,538 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:00,542 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-04-29 07:59:00,542 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-04-29 07:59:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:00,589 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-04-29 07:59:00,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:00,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:00,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:59:00,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:00,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:00,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:00,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:00,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:00,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:00,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 13 [2021-04-29 07:59:00,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639605750] [2021-04-29 07:59:00,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-04-29 07:59:00,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:00,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-04-29 07:59:00,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-04-29 07:59:00,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:59:00,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 2036 transitions, 72333 flow. Second operand has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:00,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:00,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:59:00,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:01,015 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2021-04-29 07:59:08,928 INFO L129 PetriNetUnfolder]: 1946/5172 cut-off events. [2021-04-29 07:59:08,928 INFO L130 PetriNetUnfolder]: For 328684/328703 co-relation queries the response was YES. [2021-04-29 07:59:09,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73978 conditions, 5172 events. 1946/5172 cut-off events. For 328684/328703 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 53936 event pairs, 70 based on Foata normal form. 30/5202 useless extension candidates. Maximal degree in co-relation 73656. Up to 3878 conditions per place. [2021-04-29 07:59:09,065 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1955 selfloop transitions, 89 changer transitions 9/2059 dead transitions. [2021-04-29 07:59:09,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 700 places, 2059 transitions, 77044 flow [2021-04-29 07:59:09,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-29 07:59:09,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-04-29 07:59:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 287 transitions. [2021-04-29 07:59:09,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4484375 [2021-04-29 07:59:09,066 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 287 transitions. [2021-04-29 07:59:09,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 287 transitions. [2021-04-29 07:59:09,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:09,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 287 transitions. [2021-04-29 07:59:09,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 17.9375) internal successors, (287), 16 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:09,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:09,068 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 40.0) internal successors, (680), 17 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:09,068 INFO L185 Difference]: Start difference. First operand has 685 places, 2036 transitions, 72333 flow. Second operand 16 states and 287 transitions. [2021-04-29 07:59:09,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 700 places, 2059 transitions, 77044 flow [2021-04-29 07:59:14,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 2059 transitions, 76762 flow, removed 26 selfloop flow, removed 8 redundant places. [2021-04-29 07:59:15,029 INFO L241 Difference]: Finished difference. Result has 695 places, 2046 transitions, 72568 flow [2021-04-29 07:59:15,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=72051, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2036, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1947, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=72568, PETRI_PLACES=695, PETRI_TRANSITIONS=2046} [2021-04-29 07:59:15,031 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 664 predicate places. [2021-04-29 07:59:15,031 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:15,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 695 places, 2046 transitions, 72568 flow [2021-04-29 07:59:15,031 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 695 places, 2046 transitions, 72568 flow [2021-04-29 07:59:15,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 695 places, 2046 transitions, 72568 flow [2021-04-29 07:59:17,490 INFO L129 PetriNetUnfolder]: 1806/4909 cut-off events. [2021-04-29 07:59:17,490 INFO L130 PetriNetUnfolder]: For 322336/322588 co-relation queries the response was YES. [2021-04-29 07:59:17,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67971 conditions, 4909 events. 1806/4909 cut-off events. For 322336/322588 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 51829 event pairs, 2 based on Foata normal form. 16/4909 useless extension candidates. Maximal degree in co-relation 67548. Up to 1082 conditions per place. [2021-04-29 07:59:17,667 INFO L146 LiptonReduction]: Number of co-enabled transitions 2670 [2021-04-29 07:59:18,333 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:18,333 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:18,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3303 [2021-04-29 07:59:18,334 INFO L480 AbstractCegarLoop]: Abstraction has has 695 places, 2046 transitions, 72568 flow [2021-04-29 07:59:18,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:18,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:18,334 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:18,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:18,544 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:18,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:18,545 INFO L82 PathProgramCache]: Analyzing trace with hash 424713498, now seen corresponding path program 47 times [2021-04-29 07:59:18,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:18,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472423950] [2021-04-29 07:59:18,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:18,566 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-04-29 07:59:18,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:18,595 INFO L142 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size [2021-04-29 07:59:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:18,636 INFO L142 QuantifierPusher]: treesize reduction 39, result has 38.1 percent of original size [2021-04-29 07:59:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:18,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:18,705 INFO L142 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size [2021-04-29 07:59:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:18,746 INFO L142 QuantifierPusher]: treesize reduction 8, result has 75.0 percent of original size [2021-04-29 07:59:18,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:18,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472423950] [2021-04-29 07:59:18,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386314269] [2021-04-29 07:59:18,781 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 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:18,819 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 07:59:18,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:18,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 07:59:18,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:18,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:18,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:18,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:18,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:18,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:18,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:59:18,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:59:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:59:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:59:18,922 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-04-29 07:59:18,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:18,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:18,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:59:18,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 07:59:18,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 07:59:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:18,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:18,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:59:18,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:59:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:18,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:59:18,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 07:59:18,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:18,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:59:18,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:59:18,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:18,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:18,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 07:59:18,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:18,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:18,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:59:19,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:19,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 07:59:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:19,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:19,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 07:59:19,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000848115] [2021-04-29 07:59:19,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:59:19,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:19,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:59:19,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:59:19,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 40 [2021-04-29 07:59:19,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 2046 transitions, 72568 flow. Second operand has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:19,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:19,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 40 [2021-04-29 07:59:19,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:26,321 INFO L129 PetriNetUnfolder]: 1872/5086 cut-off events. [2021-04-29 07:59:26,321 INFO L130 PetriNetUnfolder]: For 347671/347948 co-relation queries the response was YES. [2021-04-29 07:59:26,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73622 conditions, 5086 events. 1872/5086 cut-off events. For 347671/347948 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 53603 event pairs, 2 based on Foata normal form. 83/5159 useless extension candidates. Maximal degree in co-relation 73189. Up to 2664 conditions per place. [2021-04-29 07:59:26,455 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 1399 selfloop transitions, 611 changer transitions 4/2140 dead transitions. [2021-04-29 07:59:26,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 717 places, 2140 transitions, 79433 flow [2021-04-29 07:59:26,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 07:59:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 07:59:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 495 transitions. [2021-04-29 07:59:26,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5380434782608695 [2021-04-29 07:59:26,456 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 495 transitions. [2021-04-29 07:59:26,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 495 transitions. [2021-04-29 07:59:26,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:26,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 495 transitions. [2021-04-29 07:59:26,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 21.52173913043478) internal successors, (495), 23 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:26,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 40.0) internal successors, (960), 24 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:26,458 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 40.0) internal successors, (960), 24 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:26,459 INFO L185 Difference]: Start difference. First operand has 695 places, 2046 transitions, 72568 flow. Second operand 23 states and 495 transitions. [2021-04-29 07:59:26,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 717 places, 2140 transitions, 79433 flow [2021-04-29 07:59:31,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 2140 transitions, 79267 flow, removed 14 selfloop flow, removed 11 redundant places. [2021-04-29 07:59:31,929 INFO L241 Difference]: Finished difference. Result has 714 places, 2120 transitions, 76776 flow [2021-04-29 07:59:31,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=72402, PETRI_DIFFERENCE_MINUEND_PLACES=684, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=541, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=76776, PETRI_PLACES=714, PETRI_TRANSITIONS=2120} [2021-04-29 07:59:31,931 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 683 predicate places. [2021-04-29 07:59:31,931 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:31,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 714 places, 2120 transitions, 76776 flow [2021-04-29 07:59:31,931 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 714 places, 2120 transitions, 76776 flow [2021-04-29 07:59:31,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 714 places, 2120 transitions, 76776 flow [2021-04-29 07:59:34,708 INFO L129 PetriNetUnfolder]: 1868/5060 cut-off events. [2021-04-29 07:59:34,709 INFO L130 PetriNetUnfolder]: For 358513/358767 co-relation queries the response was YES. [2021-04-29 07:59:34,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72420 conditions, 5060 events. 1868/5060 cut-off events. For 358513/358767 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 53513 event pairs, 1 based on Foata normal form. 18/5063 useless extension candidates. Maximal degree in co-relation 71982. Up to 1138 conditions per place. [2021-04-29 07:59:34,900 INFO L146 LiptonReduction]: Number of co-enabled transitions 2768 [2021-04-29 07:59:35,639 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:35,639 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:35,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3708 [2021-04-29 07:59:35,639 INFO L480 AbstractCegarLoop]: Abstraction has has 714 places, 2120 transitions, 76776 flow [2021-04-29 07:59:35,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.076923076923077) internal successors, (248), 13 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:35,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:35,640 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:35,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-04-29 07:59:35,848 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:35,848 INFO L82 PathProgramCache]: Analyzing trace with hash 297606357, now seen corresponding path program 16 times [2021-04-29 07:59:35,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:35,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176970540] [2021-04-29 07:59:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:35,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 07:59:35,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:35,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:35,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:35,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:35,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 07:59:35,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:35,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:35,980 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-29 07:59:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:36,003 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:59:36,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:36,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176970540] [2021-04-29 07:59:36,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701186533] [2021-04-29 07:59:36,021 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 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:36,051 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 07:59:36,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:36,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 07:59:36,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:36,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:36,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,093 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 07:59:36,093 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 07:59:36,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:36,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:36,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:36,128 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 07:59:36,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 07:59:36,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 07:59:36,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:36,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:36,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:36,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:36,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 07:59:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:36,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,236 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-04-29 07:59:36,237 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 07:59:36,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:36,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:36,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:36,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 07:59:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:36,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:36,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:36,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 07:59:36,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 07:59:36,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 07:59:36,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 07:59:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 07:59:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:36,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 07:59:36,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 07:59:36,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:36,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:36,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:59:36,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:36,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:36,308 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 07:59:36,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:36,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:36,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:36,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:36,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:36,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:59:36,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678857941] [2021-04-29 07:59:36,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:59:36,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:36,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:59:36,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:59:36,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:59:36,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 2120 transitions, 76776 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:36,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:36,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:59:36,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:59:36,716 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-04-29 07:59:44,788 INFO L129 PetriNetUnfolder]: 2113/5498 cut-off events. [2021-04-29 07:59:44,788 INFO L130 PetriNetUnfolder]: For 388729/388767 co-relation queries the response was YES. [2021-04-29 07:59:44,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81614 conditions, 5498 events. 2113/5498 cut-off events. For 388729/388767 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 57059 event pairs, 82 based on Foata normal form. 34/5532 useless extension candidates. Maximal degree in co-relation 81091. Up to 4138 conditions per place. [2021-04-29 07:59:44,938 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2111 selfloop transitions, 100 changer transitions 0/2217 dead transitions. [2021-04-29 07:59:44,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 2217 transitions, 83649 flow [2021-04-29 07:59:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 07:59:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 07:59:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 201 transitions. [2021-04-29 07:59:44,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45681818181818185 [2021-04-29 07:59:44,939 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 201 transitions. [2021-04-29 07:59:44,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 201 transitions. [2021-04-29 07:59:44,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:59:44,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 201 transitions. [2021-04-29 07:59:44,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.272727272727273) internal successors, (201), 11 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:44,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:59:44,940 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 07:59:44,941 INFO L185 Difference]: Start difference. First operand has 714 places, 2120 transitions, 76776 flow. Second operand 11 states and 201 transitions. [2021-04-29 07:59:44,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 2217 transitions, 83649 flow [2021-04-29 07:59:51,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 720 places, 2217 transitions, 83125 flow, removed 240 selfloop flow, removed 4 redundant places. [2021-04-29 07:59:51,456 INFO L241 Difference]: Finished difference. Result has 723 places, 2201 transitions, 78636 flow [2021-04-29 07:59:51,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=76260, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=78636, PETRI_PLACES=723, PETRI_TRANSITIONS=2201} [2021-04-29 07:59:51,457 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 692 predicate places. [2021-04-29 07:59:51,457 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:59:51,457 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 723 places, 2201 transitions, 78636 flow [2021-04-29 07:59:51,457 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 723 places, 2201 transitions, 78636 flow [2021-04-29 07:59:51,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 2201 transitions, 78636 flow [2021-04-29 07:59:54,400 INFO L129 PetriNetUnfolder]: 1958/5233 cut-off events. [2021-04-29 07:59:54,400 INFO L130 PetriNetUnfolder]: For 374982/375226 co-relation queries the response was YES. [2021-04-29 07:59:54,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74871 conditions, 5233 events. 1958/5233 cut-off events. For 374982/375226 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 55380 event pairs, 1 based on Foata normal form. 15/5231 useless extension candidates. Maximal degree in co-relation 74428. Up to 1144 conditions per place. [2021-04-29 07:59:54,931 INFO L146 LiptonReduction]: Number of co-enabled transitions 2804 [2021-04-29 07:59:55,733 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:59:55,734 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:59:55,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4277 [2021-04-29 07:59:55,734 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 2201 transitions, 78636 flow [2021-04-29 07:59:55,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:55,734 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:59:55,734 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:59:55,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:55,941 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:59:55,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:59:55,942 INFO L82 PathProgramCache]: Analyzing trace with hash -831414669, now seen corresponding path program 17 times [2021-04-29 07:59:55,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:59:55,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996020264] [2021-04-29 07:59:55,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:59:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:59:55,962 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-04-29 07:59:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 07:59:55,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-04-29 07:59:55,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 07:59:56,012 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.8 percent of original size [2021-04-29 07:59:56,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 07:59:56,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 07:59:56,085 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-29 07:59:56,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:56,106 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 07:59:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:56,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996020264] [2021-04-29 07:59:56,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025780848] [2021-04-29 07:59:56,122 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 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:59:56,157 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-04-29 07:59:56,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 07:59:56,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 07:59:56,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:59:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:59:56,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:59:56,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:59:56,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 07:59:56,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,234 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size 38 [2021-04-29 07:59:56,234 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.0 percent of original size [2021-04-29 07:59:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:56,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:56,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 07:59:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,275 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 43 [2021-04-29 07:59:56,276 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-04-29 07:59:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 07:59:56,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,321 INFO L147 QuantifierPusher]: treesize reduction 16, result has 78.9 percent of original size 60 [2021-04-29 07:59:56,322 INFO L142 QuantifierPusher]: treesize reduction 16, result has 79.2 percent of original size [2021-04-29 07:59:56,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 07:59:56,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 07:59:56,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 07:59:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 07:59:56,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 07:59:56,356 INFO L354 Elim1Store]: treesize reduction 33, result has 26.7 percent of original size [2021-04-29 07:59:56,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 52 [2021-04-29 07:59:56,357 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.3 percent of original size [2021-04-29 07:59:56,358 INFO L147 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size 14 [2021-04-29 07:59:56,359 INFO L142 QuantifierPusher]: treesize reduction 6, result has 70.0 percent of original size [2021-04-29 07:59:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 07:59:56,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 07:59:56,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 07:59:56,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:19 [2021-04-29 07:59:56,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 07:59:56,403 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-04-29 07:59:56,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 07:59:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 07:59:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 07:59:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,408 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 07:59:56,409 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:59:56,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:56,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:56,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 07:59:56,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:59:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 07:59:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:59:56,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:59:56,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 07:59:56,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851387402] [2021-04-29 07:59:56,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 07:59:56,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:59:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 07:59:56,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-04-29 07:59:56,434 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 07:59:56,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 2201 transitions, 78636 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:59:56,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:59:56,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 07:59:56,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:05,073 INFO L129 PetriNetUnfolder]: 2169/5619 cut-off events. [2021-04-29 08:00:05,073 INFO L130 PetriNetUnfolder]: For 404155/404193 co-relation queries the response was YES. [2021-04-29 08:00:05,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83455 conditions, 5619 events. 2169/5619 cut-off events. For 404155/404193 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 58370 event pairs, 78 based on Foata normal form. 36/5655 useless extension candidates. Maximal degree in co-relation 82926. Up to 4237 conditions per place. [2021-04-29 08:00:05,233 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2135 selfloop transitions, 124 changer transitions 2/2267 dead transitions. [2021-04-29 08:00:05,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 734 places, 2267 transitions, 85082 flow [2021-04-29 08:00:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:00:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:00:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 224 transitions. [2021-04-29 08:00:05,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2021-04-29 08:00:05,234 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 224 transitions. [2021-04-29 08:00:05,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 224 transitions. [2021-04-29 08:00:05,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:05,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 224 transitions. [2021-04-29 08:00:05,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.666666666666668) internal successors, (224), 12 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:05,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:05,235 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:05,235 INFO L185 Difference]: Start difference. First operand has 723 places, 2201 transitions, 78636 flow. Second operand 12 states and 224 transitions. [2021-04-29 08:00:05,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 734 places, 2267 transitions, 85082 flow [2021-04-29 08:00:12,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 2267 transitions, 84544 flow, removed 260 selfloop flow, removed 3 redundant places. [2021-04-29 08:00:12,386 INFO L241 Difference]: Finished difference. Result has 737 places, 2251 transitions, 80036 flow [2021-04-29 08:00:12,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=78098, PETRI_DIFFERENCE_MINUEND_PLACES=720, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2081, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=80036, PETRI_PLACES=737, PETRI_TRANSITIONS=2251} [2021-04-29 08:00:12,387 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 706 predicate places. [2021-04-29 08:00:12,387 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:12,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 2251 transitions, 80036 flow [2021-04-29 08:00:12,387 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 2251 transitions, 80036 flow [2021-04-29 08:00:12,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 2251 transitions, 80036 flow [2021-04-29 08:00:15,382 INFO L129 PetriNetUnfolder]: 2005/5346 cut-off events. [2021-04-29 08:00:15,382 INFO L130 PetriNetUnfolder]: For 390944/391244 co-relation queries the response was YES. [2021-04-29 08:00:15,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76536 conditions, 5346 events. 2005/5346 cut-off events. For 390944/391244 co-relation queries the response was YES. Maximal size of possible extension queue 681. Compared 56656 event pairs, 1 based on Foata normal form. 25/5355 useless extension candidates. Maximal degree in co-relation 76085. Up to 1170 conditions per place. [2021-04-29 08:00:15,587 INFO L146 LiptonReduction]: Number of co-enabled transitions 2848 [2021-04-29 08:00:16,668 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:16,668 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:16,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4281 [2021-04-29 08:00:16,669 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 2251 transitions, 80036 flow [2021-04-29 08:00:16,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:16,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:16,669 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:16,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-04-29 08:00:16,870 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:16,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:16,870 INFO L82 PathProgramCache]: Analyzing trace with hash 893367317, now seen corresponding path program 18 times [2021-04-29 08:00:16,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:16,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021423821] [2021-04-29 08:00:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:16,895 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-04-29 08:00:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:16,920 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-04-29 08:00:16,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:16,938 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.8 percent of original size [2021-04-29 08:00:16,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 08:00:16,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:16,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:17,013 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-29 08:00:17,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:17,035 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 08:00:17,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:17,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021423821] [2021-04-29 08:00:17,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388117306] [2021-04-29 08:00:17,051 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 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:17,082 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 08:00:17,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:00:17,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:00:17,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:00:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,120 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 08:00:17,121 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:00:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:17,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:17,157 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 08:00:17,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:17,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:17,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:00:17,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:00:17,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:00:17,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:00:17,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:00:17,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,245 INFO L147 QuantifierPusher]: treesize reduction 10, result has 75.6 percent of original size 31 [2021-04-29 08:00:17,245 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.6 percent of original size [2021-04-29 08:00:17,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:17,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:17,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:17,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:17,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:00:17,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:00:17,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:00:17,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:17,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:00:17,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:00:17,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:00:17,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 08:00:17,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:17,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:00:17,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:17,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,323 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 08:00:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:00:17,325 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:17,325 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 08:00:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:00:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:00:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:17,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:17,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:00:17,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092449911] [2021-04-29 08:00:17,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:00:17,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:17,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:00:17,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:00:17,354 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:17,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 2251 transitions, 80036 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:17,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:17,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:17,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:26,991 INFO L129 PetriNetUnfolder]: 2218/5728 cut-off events. [2021-04-29 08:00:26,992 INFO L130 PetriNetUnfolder]: For 417790/417809 co-relation queries the response was YES. [2021-04-29 08:00:27,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85432 conditions, 5728 events. 2218/5728 cut-off events. For 417790/417809 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 59678 event pairs, 79 based on Foata normal form. 22/5750 useless extension candidates. Maximal degree in co-relation 84894. Up to 4325 conditions per place. [2021-04-29 08:00:27,153 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2191 selfloop transitions, 122 changer transitions 0/2319 dead transitions. [2021-04-29 08:00:27,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 2319 transitions, 86929 flow [2021-04-29 08:00:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:00:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:00:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 219 transitions. [2021-04-29 08:00:27,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45625 [2021-04-29 08:00:27,155 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 219 transitions. [2021-04-29 08:00:27,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 219 transitions. [2021-04-29 08:00:27,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:27,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 219 transitions. [2021-04-29 08:00:27,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.25) internal successors, (219), 12 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:27,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:27,156 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:27,156 INFO L185 Difference]: Start difference. First operand has 737 places, 2251 transitions, 80036 flow. Second operand 12 states and 219 transitions. [2021-04-29 08:00:27,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 2319 transitions, 86929 flow [2021-04-29 08:00:34,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 745 places, 2319 transitions, 86486 flow, removed 211 selfloop flow, removed 3 redundant places. [2021-04-29 08:00:34,328 INFO L241 Difference]: Finished difference. Result has 748 places, 2298 transitions, 81611 flow [2021-04-29 08:00:34,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=79593, PETRI_DIFFERENCE_MINUEND_PLACES=734, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=81611, PETRI_PLACES=748, PETRI_TRANSITIONS=2298} [2021-04-29 08:00:34,329 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 717 predicate places. [2021-04-29 08:00:34,329 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:34,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 748 places, 2298 transitions, 81611 flow [2021-04-29 08:00:34,329 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 748 places, 2298 transitions, 81611 flow [2021-04-29 08:00:34,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 748 places, 2298 transitions, 81611 flow [2021-04-29 08:00:37,432 INFO L129 PetriNetUnfolder]: 2046/5428 cut-off events. [2021-04-29 08:00:37,432 INFO L130 PetriNetUnfolder]: For 412726/413014 co-relation queries the response was YES. [2021-04-29 08:00:37,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78406 conditions, 5428 events. 2046/5428 cut-off events. For 412726/413014 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 57405 event pairs, 1 based on Foata normal form. 25/5434 useless extension candidates. Maximal degree in co-relation 77949. Up to 1194 conditions per place. [2021-04-29 08:00:37,643 INFO L146 LiptonReduction]: Number of co-enabled transitions 2904 [2021-04-29 08:00:38,773 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:00:38,773 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:00:38,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4444 [2021-04-29 08:00:38,773 INFO L480 AbstractCegarLoop]: Abstraction has has 748 places, 2298 transitions, 81611 flow [2021-04-29 08:00:38,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:38,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:00:38,774 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:00:38,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-04-29 08:00:38,989 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:00:38,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:00:38,989 INFO L82 PathProgramCache]: Analyzing trace with hash 2044540181, now seen corresponding path program 19 times [2021-04-29 08:00:38,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:00:38,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648785780] [2021-04-29 08:00:38,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:00:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:00:39,011 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-04-29 08:00:39,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:39,035 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-04-29 08:00:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,053 INFO L142 QuantifierPusher]: treesize reduction 35, result has 56.8 percent of original size [2021-04-29 08:00:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 08:00:39,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:00:39,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:00:39,152 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 08:00:39,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:39,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648785780] [2021-04-29 08:00:39,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959374080] [2021-04-29 08:00:39,168 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 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:00:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:00:39,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 08:00:39,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:00:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:00:39,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:00:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:39,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:00:39,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:39,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:39,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:39,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:00:39,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,308 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-04-29 08:00:39,309 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-04-29 08:00:39,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:39,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:39,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:00:39,347 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 08:00:39,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:00:39,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:39,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:00:39,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:00:39,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:39,398 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.7 percent of original size [2021-04-29 08:00:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:00:39,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:00:39,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:39,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:00:39,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:00:39,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:00:39,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 08:00:39,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 08:00:39,417 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-04-29 08:00:39,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 49 [2021-04-29 08:00:39,418 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size [2021-04-29 08:00:39,419 INFO L147 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size 12 [2021-04-29 08:00:39,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 08:00:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:00:39,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:00:39,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:00:39,430 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:5 [2021-04-29 08:00:39,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:00:39,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:00:39,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:00:39,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:00:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:00:39,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:00:39,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:00:39,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216125618] [2021-04-29 08:00:39,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:00:39,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:00:39,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:00:39,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:00:39,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:00:39,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 748 places, 2298 transitions, 81611 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:39,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:00:39,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:00:39,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:00:49,048 INFO L129 PetriNetUnfolder]: 2218/5729 cut-off events. [2021-04-29 08:00:49,048 INFO L130 PetriNetUnfolder]: For 431563/431582 co-relation queries the response was YES. [2021-04-29 08:00:49,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85914 conditions, 5729 events. 2218/5729 cut-off events. For 431563/431582 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 59577 event pairs, 78 based on Foata normal form. 21/5750 useless extension candidates. Maximal degree in co-relation 85368. Up to 4370 conditions per place. [2021-04-29 08:00:49,211 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2228 selfloop transitions, 74 changer transitions 0/2308 dead transitions. [2021-04-29 08:00:49,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 756 places, 2308 transitions, 86491 flow [2021-04-29 08:00:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 08:00:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 08:00:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 164 transitions. [2021-04-29 08:00:49,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45555555555555555 [2021-04-29 08:00:49,212 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 164 transitions. [2021-04-29 08:00:49,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 164 transitions. [2021-04-29 08:00:49,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:00:49,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 164 transitions. [2021-04-29 08:00:49,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 9 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:49,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:49,213 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 40.0) internal successors, (400), 10 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:00:49,213 INFO L185 Difference]: Start difference. First operand has 748 places, 2298 transitions, 81611 flow. Second operand 9 states and 164 transitions. [2021-04-29 08:00:49,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 756 places, 2308 transitions, 86491 flow [2021-04-29 08:00:56,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 754 places, 2308 transitions, 86230 flow, removed 126 selfloop flow, removed 2 redundant places. [2021-04-29 08:00:56,797 INFO L241 Difference]: Finished difference. Result has 755 places, 2300 transitions, 81611 flow [2021-04-29 08:00:56,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=81287, PETRI_DIFFERENCE_MINUEND_PLACES=746, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=81611, PETRI_PLACES=755, PETRI_TRANSITIONS=2300} [2021-04-29 08:00:56,798 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 724 predicate places. [2021-04-29 08:00:56,798 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:00:56,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 755 places, 2300 transitions, 81611 flow [2021-04-29 08:00:56,798 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 755 places, 2300 transitions, 81611 flow [2021-04-29 08:00:56,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 755 places, 2300 transitions, 81611 flow [2021-04-29 08:00:59,810 INFO L129 PetriNetUnfolder]: 2050/5434 cut-off events. [2021-04-29 08:00:59,811 INFO L130 PetriNetUnfolder]: For 409754/410044 co-relation queries the response was YES. [2021-04-29 08:00:59,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78374 conditions, 5434 events. 2050/5434 cut-off events. For 409754/410044 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 57534 event pairs, 1 based on Foata normal form. 27/5441 useless extension candidates. Maximal degree in co-relation 77915. Up to 1199 conditions per place. [2021-04-29 08:01:00,016 INFO L146 LiptonReduction]: Number of co-enabled transitions 2910 [2021-04-29 08:01:01,158 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:01,158 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:01,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4360 [2021-04-29 08:01:01,158 INFO L480 AbstractCegarLoop]: Abstraction has has 755 places, 2300 transitions, 81611 flow [2021-04-29 08:01:01,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:01,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:01,158 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:01,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-04-29 08:01:01,359 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:01,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:01,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1173713682, now seen corresponding path program 48 times [2021-04-29 08:01:01,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:01,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291604429] [2021-04-29 08:01:01,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:01,394 INFO L142 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-04-29 08:01:01,395 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-04-29 08:01:01,436 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-04-29 08:01:01,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:01:01,474 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.1 percent of original size [2021-04-29 08:01:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:01:01,512 INFO L142 QuantifierPusher]: treesize reduction 36, result has 44.6 percent of original size [2021-04-29 08:01:01,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:01,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,608 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-04-29 08:01:01,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:01:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:01,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291604429] [2021-04-29 08:01:01,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830283464] [2021-04-29 08:01:01,645 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 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:01,673 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-04-29 08:01:01,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:01:01,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:01:01,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:01,720 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 08:01:01,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:01,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:01,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:01,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:01,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:01,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,734 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-04-29 08:01:01,734 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 08:01:01,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,774 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-04-29 08:01:01,775 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 08:01:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:01,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,811 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 08:01:01,812 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:01:01,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:01:01,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:01,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:01,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:01:01,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:01,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:01:01,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:01,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:01,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:01:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:01,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:01,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:01,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:01:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:01,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-04-29 08:01:01,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:01,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:01,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:01:01,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:01,881 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:01,881 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:7 [2021-04-29 08:01:01,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:01,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:01,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:01,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:01,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:01,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:01:01,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567073496] [2021-04-29 08:01:01,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:01:01,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:01,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:01:01,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:01:01,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:01,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 755 places, 2300 transitions, 81611 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:01,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:01,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:01,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:11,657 INFO L129 PetriNetUnfolder]: 2220/5731 cut-off events. [2021-04-29 08:01:11,658 INFO L130 PetriNetUnfolder]: For 428385/428404 co-relation queries the response was YES. [2021-04-29 08:01:11,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85887 conditions, 5731 events. 2220/5731 cut-off events. For 428385/428404 co-relation queries the response was YES. Maximal size of possible extension queue 712. Compared 59606 event pairs, 87 based on Foata normal form. 17/5748 useless extension candidates. Maximal degree in co-relation 85339. Up to 3349 conditions per place. [2021-04-29 08:01:11,832 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1676 selfloop transitions, 646 changer transitions 3/2331 dead transitions. [2021-04-29 08:01:11,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 768 places, 2331 transitions, 87264 flow [2021-04-29 08:01:11,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 08:01:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 08:01:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 239 transitions. [2021-04-29 08:01:11,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42678571428571427 [2021-04-29 08:01:11,834 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 239 transitions. [2021-04-29 08:01:11,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 239 transitions. [2021-04-29 08:01:11,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:11,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 239 transitions. [2021-04-29 08:01:11,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 17.071428571428573) internal successors, (239), 14 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:11,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:11,835 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 40.0) internal successors, (600), 15 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:11,835 INFO L185 Difference]: Start difference. First operand has 755 places, 2300 transitions, 81611 flow. Second operand 14 states and 239 transitions. [2021-04-29 08:01:11,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 768 places, 2331 transitions, 87264 flow [2021-04-29 08:01:19,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 764 places, 2331 transitions, 87083 flow, removed 54 selfloop flow, removed 4 redundant places. [2021-04-29 08:01:19,358 INFO L241 Difference]: Finished difference. Result has 768 places, 2312 transitions, 83244 flow [2021-04-29 08:01:19,360 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=81430, PETRI_DIFFERENCE_MINUEND_PLACES=751, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=634, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=83244, PETRI_PLACES=768, PETRI_TRANSITIONS=2312} [2021-04-29 08:01:19,360 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 737 predicate places. [2021-04-29 08:01:19,360 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:19,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 2312 transitions, 83244 flow [2021-04-29 08:01:19,360 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 2312 transitions, 83244 flow [2021-04-29 08:01:19,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 768 places, 2312 transitions, 83244 flow [2021-04-29 08:01:22,506 INFO L129 PetriNetUnfolder]: 2043/5425 cut-off events. [2021-04-29 08:01:22,506 INFO L130 PetriNetUnfolder]: For 426269/426549 co-relation queries the response was YES. [2021-04-29 08:01:22,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79470 conditions, 5425 events. 2043/5425 cut-off events. For 426269/426549 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57420 event pairs, 1 based on Foata normal form. 24/5432 useless extension candidates. Maximal degree in co-relation 79120. Up to 1195 conditions per place. [2021-04-29 08:01:22,730 INFO L146 LiptonReduction]: Number of co-enabled transitions 2918 [2021-04-29 08:01:23,939 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:23,939 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:23,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4579 [2021-04-29 08:01:23,940 INFO L480 AbstractCegarLoop]: Abstraction has has 768 places, 2312 transitions, 83244 flow [2021-04-29 08:01:23,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:23,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:23,940 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:24,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:24,141 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:24,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:24,141 INFO L82 PathProgramCache]: Analyzing trace with hash -440764000, now seen corresponding path program 49 times [2021-04-29 08:01:24,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:24,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590095252] [2021-04-29 08:01:24,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:24,162 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-04-29 08:01:24,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:01:24,205 INFO L142 QuantifierPusher]: treesize reduction 29, result has 48.2 percent of original size [2021-04-29 08:01:24,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:24,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:01:24,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:24,297 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 08:01:24,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:01:24,342 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:01:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:01:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:24,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590095252] [2021-04-29 08:01:24,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757808920] [2021-04-29 08:01:24,380 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 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:24,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:01:24,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:24,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,452 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 08:01:24,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:24,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:24,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:24,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:01:24,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:01:24,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:01:24,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:01:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,504 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 08:01:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:01:24,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:01:24,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:01:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:01:24,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:01:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:01:24,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,611 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-04-29 08:01:24,612 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-04-29 08:01:24,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:01:24,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:24,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:01:24,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:24,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:24,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:01:24,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:01:24,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:24,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:01:24,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:01:24,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:24,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:24,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:01:24,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:24,642 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:24,642 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 08:01:24,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:24,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:24,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:24,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:01:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:24,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:24,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:01:24,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049457270] [2021-04-29 08:01:24,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:01:24,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:24,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:01:24,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:01:24,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:24,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 768 places, 2312 transitions, 83244 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:24,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:24,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:24,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:34,458 INFO L129 PetriNetUnfolder]: 2231/5763 cut-off events. [2021-04-29 08:01:34,459 INFO L130 PetriNetUnfolder]: For 450454/450473 co-relation queries the response was YES. [2021-04-29 08:01:34,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87579 conditions, 5763 events. 2231/5763 cut-off events. For 450454/450473 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 60024 event pairs, 86 based on Foata normal form. 17/5780 useless extension candidates. Maximal degree in co-relation 87224. Up to 4417 conditions per place. [2021-04-29 08:01:34,830 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2283 selfloop transitions, 48 changer transitions 1/2338 dead transitions. [2021-04-29 08:01:34,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 2338 transitions, 88642 flow [2021-04-29 08:01:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:01:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:01:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 177 transitions. [2021-04-29 08:01:34,831 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4425 [2021-04-29 08:01:34,831 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 177 transitions. [2021-04-29 08:01:34,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 177 transitions. [2021-04-29 08:01:34,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:34,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 177 transitions. [2021-04-29 08:01:34,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:34,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:34,833 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:34,833 INFO L185 Difference]: Start difference. First operand has 768 places, 2312 transitions, 83244 flow. Second operand 10 states and 177 transitions. [2021-04-29 08:01:34,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 2338 transitions, 88642 flow [2021-04-29 08:01:42,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 2338 transitions, 88530 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-04-29 08:01:42,502 INFO L241 Difference]: Finished difference. Result has 778 places, 2331 transitions, 83824 flow [2021-04-29 08:01:42,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=83132, PETRI_DIFFERENCE_MINUEND_PLACES=764, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=83824, PETRI_PLACES=778, PETRI_TRANSITIONS=2331} [2021-04-29 08:01:42,503 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 747 predicate places. [2021-04-29 08:01:42,503 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:01:42,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 778 places, 2331 transitions, 83824 flow [2021-04-29 08:01:42,504 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 778 places, 2331 transitions, 83824 flow [2021-04-29 08:01:42,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 778 places, 2331 transitions, 83824 flow [2021-04-29 08:01:45,733 INFO L129 PetriNetUnfolder]: 2058/5465 cut-off events. [2021-04-29 08:01:45,733 INFO L130 PetriNetUnfolder]: For 436244/436536 co-relation queries the response was YES. [2021-04-29 08:01:45,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80259 conditions, 5465 events. 2058/5465 cut-off events. For 436244/436536 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 57938 event pairs, 1 based on Foata normal form. 30/5477 useless extension candidates. Maximal degree in co-relation 79903. Up to 1206 conditions per place. [2021-04-29 08:01:46,296 INFO L146 LiptonReduction]: Number of co-enabled transitions 2922 [2021-04-29 08:01:47,185 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:01:47,185 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:01:47,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4682 [2021-04-29 08:01:47,185 INFO L480 AbstractCegarLoop]: Abstraction has has 778 places, 2331 transitions, 83824 flow [2021-04-29 08:01:47,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:47,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:01:47,186 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:01:47,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-04-29 08:01:47,398 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:01:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:01:47,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2037423640, now seen corresponding path program 50 times [2021-04-29 08:01:47,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:01:47,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149272540] [2021-04-29 08:01:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:01:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:01:47,420 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-04-29 08:01:47,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:01:47,464 INFO L142 QuantifierPusher]: treesize reduction 29, result has 48.2 percent of original size [2021-04-29 08:01:47,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:01:47,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,510 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.8 percent of original size [2021-04-29 08:01:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:01:47,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,561 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 08:01:47,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:01:47,617 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 08:01:47,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:01:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:47,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149272540] [2021-04-29 08:01:47,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364322246] [2021-04-29 08:01:47,664 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 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:01:47,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:01:47,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:01:47,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:01:47,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:01:47,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:01:47,740 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 08:01:47,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:47,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:47,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:47,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:01:47,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:47,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:47,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:47,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:47,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:47,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:01:47,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:47,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:47,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:47,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:01:47,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,786 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.1 percent of original size 41 [2021-04-29 08:01:47,786 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.1 percent of original size [2021-04-29 08:01:47,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:01:47,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:01:47,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:01:47,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:01:47,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:01:47,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:01:47,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:01:47,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:47,852 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-04-29 08:01:47,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-29 08:01:47,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 08:01:47,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:47,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-29 08:01:47,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 08:01:47,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:47,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:47,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:01:47,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 08:01:47,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:01:47,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-29 08:01:47,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 08:01:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:01:47,889 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-04-29 08:01:47,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-04-29 08:01:47,890 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-29 08:01:47,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:47,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:01:47,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:01:47,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:47,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:01:47,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:7 [2021-04-29 08:01:47,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:47,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:01:47,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:01:47,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:01:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:01:47,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:01:47,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:01:47,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657215907] [2021-04-29 08:01:47,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:01:47,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:01:47,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:01:47,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:01:47,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:01:47,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 2331 transitions, 83824 flow. Second operand has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:47,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:01:47,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:01:47,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:01:57,626 INFO L129 PetriNetUnfolder]: 2236/5780 cut-off events. [2021-04-29 08:01:57,626 INFO L130 PetriNetUnfolder]: For 458945/458995 co-relation queries the response was YES. [2021-04-29 08:01:57,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88110 conditions, 5780 events. 2236/5780 cut-off events. For 458945/458995 co-relation queries the response was YES. Maximal size of possible extension queue 719. Compared 60257 event pairs, 84 based on Foata normal form. 43/5823 useless extension candidates. Maximal degree in co-relation 87749. Up to 4413 conditions per place. [2021-04-29 08:01:57,790 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2263 selfloop transitions, 77 changer transitions 4/2350 dead transitions. [2021-04-29 08:01:57,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 2350 transitions, 89064 flow [2021-04-29 08:01:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:01:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:01:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 194 transitions. [2021-04-29 08:01:57,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4409090909090909 [2021-04-29 08:01:57,792 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 194 transitions. [2021-04-29 08:01:57,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 194 transitions. [2021-04-29 08:01:57,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:01:57,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 194 transitions. [2021-04-29 08:01:57,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 17.636363636363637) internal successors, (194), 11 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:01:57,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 08:01:57,793 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 08:01:57,793 INFO L185 Difference]: Start difference. First operand has 778 places, 2331 transitions, 83824 flow. Second operand 11 states and 194 transitions. [2021-04-29 08:01:57,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 788 places, 2350 transitions, 89064 flow [2021-04-29 08:02:05,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 784 places, 2350 transitions, 88920 flow, removed 65 selfloop flow, removed 4 redundant places. [2021-04-29 08:02:05,947 INFO L241 Difference]: Finished difference. Result has 787 places, 2339 transitions, 84156 flow [2021-04-29 08:02:05,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=83680, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=84156, PETRI_PLACES=787, PETRI_TRANSITIONS=2339} [2021-04-29 08:02:05,948 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 756 predicate places. [2021-04-29 08:02:05,948 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:05,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 2339 transitions, 84156 flow [2021-04-29 08:02:05,949 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 2339 transitions, 84156 flow [2021-04-29 08:02:05,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 2339 transitions, 84156 flow [2021-04-29 08:02:09,447 INFO L129 PetriNetUnfolder]: 2057/5475 cut-off events. [2021-04-29 08:02:09,447 INFO L130 PetriNetUnfolder]: For 443694/443962 co-relation queries the response was YES. [2021-04-29 08:02:09,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80603 conditions, 5475 events. 2057/5475 cut-off events. For 443694/443962 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58124 event pairs, 1 based on Foata normal form. 26/5484 useless extension candidates. Maximal degree in co-relation 80244. Up to 1210 conditions per place. [2021-04-29 08:02:09,659 INFO L146 LiptonReduction]: Number of co-enabled transitions 2926 [2021-04-29 08:02:10,553 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:10,553 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:10,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4606 [2021-04-29 08:02:10,554 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 2339 transitions, 84156 flow [2021-04-29 08:02:10,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.23076923076923) internal successors, (198), 13 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:10,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:10,554 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:10,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:10,755 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:10,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:10,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1074862342, now seen corresponding path program 51 times [2021-04-29 08:02:10,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:10,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343063381] [2021-04-29 08:02:10,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:10,777 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-04-29 08:02:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:10,821 INFO L142 QuantifierPusher]: treesize reduction 29, result has 48.2 percent of original size [2021-04-29 08:02:10,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:10,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:10,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:10,867 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.8 percent of original size [2021-04-29 08:02:10,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:10,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:10,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:02:10,917 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 08:02:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:02:10,966 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:02:10,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:02:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:11,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343063381] [2021-04-29 08:02:11,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687968306] [2021-04-29 08:02:11,005 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 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:11,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 08:02:11,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:02:11,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:02:11,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:11,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-04-29 08:02:11,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:11,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:11,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:11,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:11,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:02:11,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,119 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-04-29 08:02:11,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 08:02:11,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:11,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:11,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:11,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,147 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 08:02:11,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:11,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,198 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-04-29 08:02:11,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-04-29 08:02:11,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:11,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:11,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:11,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:11,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:11,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:11,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:11,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:11,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:11,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:11,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:02:11,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:02:11,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:02:11,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:11,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:02:11,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:02:11,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:11,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:11,224 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 08:02:11,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:11,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:11,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:11,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:11,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:11,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:11,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2021-04-29 08:02:11,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415287204] [2021-04-29 08:02:11,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:02:11,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:11,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:02:11,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:02:11,251 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:11,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 2339 transitions, 84156 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:11,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:11,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:11,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:02:21,035 INFO L129 PetriNetUnfolder]: 2238/5796 cut-off events. [2021-04-29 08:02:21,036 INFO L130 PetriNetUnfolder]: For 467193/467212 co-relation queries the response was YES. [2021-04-29 08:02:21,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88559 conditions, 5796 events. 2238/5796 cut-off events. For 467193/467212 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 60553 event pairs, 89 based on Foata normal form. 17/5813 useless extension candidates. Maximal degree in co-relation 88195. Up to 4442 conditions per place. [2021-04-29 08:02:21,203 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2296 selfloop transitions, 41 changer transitions 6/2349 dead transitions. [2021-04-29 08:02:21,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 2349 transitions, 89138 flow [2021-04-29 08:02:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:02:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:02:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 176 transitions. [2021-04-29 08:02:21,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44 [2021-04-29 08:02:21,204 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 176 transitions. [2021-04-29 08:02:21,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 176 transitions. [2021-04-29 08:02:21,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:02:21,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 176 transitions. [2021-04-29 08:02:21,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:21,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:21,205 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:21,205 INFO L185 Difference]: Start difference. First operand has 787 places, 2339 transitions, 84156 flow. Second operand 10 states and 176 transitions. [2021-04-29 08:02:21,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 2349 transitions, 89138 flow [2021-04-29 08:02:29,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 2349 transitions, 88973 flow, removed 38 selfloop flow, removed 7 redundant places. [2021-04-29 08:02:29,301 INFO L241 Difference]: Finished difference. Result has 790 places, 2340 transitions, 84104 flow [2021-04-29 08:02:29,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=83991, PETRI_DIFFERENCE_MINUEND_PLACES=780, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=84104, PETRI_PLACES=790, PETRI_TRANSITIONS=2340} [2021-04-29 08:02:29,302 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 759 predicate places. [2021-04-29 08:02:29,302 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:29,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 790 places, 2340 transitions, 84104 flow [2021-04-29 08:02:29,302 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 790 places, 2340 transitions, 84104 flow [2021-04-29 08:02:29,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 790 places, 2340 transitions, 84104 flow [2021-04-29 08:02:32,763 INFO L129 PetriNetUnfolder]: 2063/5493 cut-off events. [2021-04-29 08:02:32,763 INFO L130 PetriNetUnfolder]: For 452403/452688 co-relation queries the response was YES. [2021-04-29 08:02:32,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81000 conditions, 5493 events. 2063/5493 cut-off events. For 452403/452688 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 58361 event pairs, 1 based on Foata normal form. 30/5506 useless extension candidates. Maximal degree in co-relation 80641. Up to 1214 conditions per place. [2021-04-29 08:02:32,988 INFO L146 LiptonReduction]: Number of co-enabled transitions 2930 [2021-04-29 08:02:33,923 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:33,924 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:33,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4622 [2021-04-29 08:02:33,924 INFO L480 AbstractCegarLoop]: Abstraction has has 790 places, 2340 transitions, 84104 flow [2021-04-29 08:02:33,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:33,924 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:33,924 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:34,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-04-29 08:02:34,137 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:34,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:34,138 INFO L82 PathProgramCache]: Analyzing trace with hash 943012433, now seen corresponding path program 20 times [2021-04-29 08:02:34,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:34,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656177482] [2021-04-29 08:02:34,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:34,161 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 08:02:34,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:34,192 INFO L142 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-04-29 08:02:34,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:02:34,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:02:34,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:34,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:34,298 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 08:02:34,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:34,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656177482] [2021-04-29 08:02:34,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996391300] [2021-04-29 08:02:34,315 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 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-29 08:02:34,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:02:34,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:34,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:02:34,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:34,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:34,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:34,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:34,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:34,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:02:34,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,417 INFO L142 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size [2021-04-29 08:02:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,418 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-04-29 08:02:34,418 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size [2021-04-29 08:02:34,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:02:34,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:02:34,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:02:34,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:02:34,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,461 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-04-29 08:02:34,462 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size [2021-04-29 08:02:34,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:02:34,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:02:34,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:02:34,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:02:34,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-04-29 08:02:34,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 08:02:34,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:02:34,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:02:34,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:34,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:02:34,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,574 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 08:02:34,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:34,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:34,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:34,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:02:34,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:34,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:34,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:02:34,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 08:02:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:34,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:02:34,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,604 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 08:02:34,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:02:34,606 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:34,606 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 08:02:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:02:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:02:34,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:34,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:34,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:34,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-04-29 08:02:34,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761888639] [2021-04-29 08:02:34,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 08:02:34,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:34,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 08:02:34,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-04-29 08:02:34,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:34,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 790 places, 2340 transitions, 84104 flow. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:34,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:34,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:34,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:02:44,587 INFO L129 PetriNetUnfolder]: 2238/5783 cut-off events. [2021-04-29 08:02:44,587 INFO L130 PetriNetUnfolder]: For 473309/473359 co-relation queries the response was YES. [2021-04-29 08:02:44,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88543 conditions, 5783 events. 2238/5783 cut-off events. For 473309/473359 co-relation queries the response was YES. Maximal size of possible extension queue 719. Compared 60339 event pairs, 84 based on Foata normal form. 35/5818 useless extension candidates. Maximal degree in co-relation 88179. Up to 4426 conditions per place. [2021-04-29 08:02:44,761 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2284 selfloop transitions, 61 changer transitions 3/2354 dead transitions. [2021-04-29 08:02:44,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 2354 transitions, 89275 flow [2021-04-29 08:02:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:02:44,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:02:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 183 transitions. [2021-04-29 08:02:44,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4575 [2021-04-29 08:02:44,762 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 183 transitions. [2021-04-29 08:02:44,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 183 transitions. [2021-04-29 08:02:44,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:02:44,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 183 transitions. [2021-04-29 08:02:44,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:44,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:44,763 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:44,763 INFO L185 Difference]: Start difference. First operand has 790 places, 2340 transitions, 84104 flow. Second operand 10 states and 183 transitions. [2021-04-29 08:02:44,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 2354 transitions, 89275 flow [2021-04-29 08:02:53,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 793 places, 2354 transitions, 89203 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-04-29 08:02:53,291 INFO L241 Difference]: Finished difference. Result has 795 places, 2347 transitions, 84393 flow [2021-04-29 08:02:53,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=84032, PETRI_DIFFERENCE_MINUEND_PLACES=784, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=84393, PETRI_PLACES=795, PETRI_TRANSITIONS=2347} [2021-04-29 08:02:53,292 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 764 predicate places. [2021-04-29 08:02:53,293 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:02:53,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 795 places, 2347 transitions, 84393 flow [2021-04-29 08:02:53,293 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 795 places, 2347 transitions, 84393 flow [2021-04-29 08:02:53,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 795 places, 2347 transitions, 84393 flow [2021-04-29 08:02:56,823 INFO L129 PetriNetUnfolder]: 2067/5494 cut-off events. [2021-04-29 08:02:56,823 INFO L130 PetriNetUnfolder]: For 458822/459127 co-relation queries the response was YES. [2021-04-29 08:02:56,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81282 conditions, 5494 events. 2067/5494 cut-off events. For 458822/459127 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 58305 event pairs, 1 based on Foata normal form. 38/5515 useless extension candidates. Maximal degree in co-relation 80921. Up to 1217 conditions per place. [2021-04-29 08:02:57,043 INFO L146 LiptonReduction]: Number of co-enabled transitions 2932 [2021-04-29 08:02:57,971 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:02:57,971 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:02:57,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4678 [2021-04-29 08:02:57,971 INFO L480 AbstractCegarLoop]: Abstraction has has 795 places, 2347 transitions, 84393 flow [2021-04-29 08:02:57,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 12 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:57,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:02:57,972 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:02:58,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:58,172 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:02:58,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:02:58,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029619, now seen corresponding path program 21 times [2021-04-29 08:02:58,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:02:58,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135110606] [2021-04-29 08:02:58,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:02:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:02:58,193 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-04-29 08:02:58,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:58,223 INFO L142 QuantifierPusher]: treesize reduction 21, result has 75.6 percent of original size [2021-04-29 08:02:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-04-29 08:02:58,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:02:58,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:02:58,326 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-29 08:02:58,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:02:58,349 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 08:02:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:58,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135110606] [2021-04-29 08:02:58,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141388890] [2021-04-29 08:02:58,367 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 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:02:58,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-04-29 08:02:58,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:02:58,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:02:58,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:02:58,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:02:58,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,480 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-04-29 08:02:58,481 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-04-29 08:02:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:58,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:58,760 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-04-29 08:02:58,761 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-04-29 08:02:58,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:02:58,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:58,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:58,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:58,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:02:58,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:02:58,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:58,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:58,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:58,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:58,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:02:58,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:58,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:58,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:58,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:02:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:02:58,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:02:58,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:02:58,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:02:58,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:02:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:02:58,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:02:58,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-04-29 08:02:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:58,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:02:58,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:02:58,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,882 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-04-29 08:02:58,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:02:58,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:02:58,883 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:5 [2021-04-29 08:02:58,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:02:58,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:02:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:02:58,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:02:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:02:58,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:02:58,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:02:58,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63160134] [2021-04-29 08:02:58,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:02:58,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:02:58,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:02:58,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:02:58,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:02:58,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 795 places, 2347 transitions, 84393 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:02:58,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:02:58,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:02:58,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:03:08,773 INFO L129 PetriNetUnfolder]: 2327/5953 cut-off events. [2021-04-29 08:03:08,774 INFO L130 PetriNetUnfolder]: For 496572/496591 co-relation queries the response was YES. [2021-04-29 08:03:08,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91449 conditions, 5953 events. 2327/5953 cut-off events. For 496572/496591 co-relation queries the response was YES. Maximal size of possible extension queue 738. Compared 62040 event pairs, 89 based on Foata normal form. 19/5972 useless extension candidates. Maximal degree in co-relation 91083. Up to 4511 conditions per place. [2021-04-29 08:03:08,958 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2329 selfloop transitions, 101 changer transitions 0/2436 dead transitions. [2021-04-29 08:03:08,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 2436 transitions, 91883 flow [2021-04-29 08:03:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:03:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:03:08,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 186 transitions. [2021-04-29 08:03:08,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.465 [2021-04-29 08:03:08,959 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 186 transitions. [2021-04-29 08:03:08,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 186 transitions. [2021-04-29 08:03:08,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:03:08,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 186 transitions. [2021-04-29 08:03:08,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:08,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:08,961 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:08,961 INFO L185 Difference]: Start difference. First operand has 795 places, 2347 transitions, 84393 flow. Second operand 10 states and 186 transitions. [2021-04-29 08:03:08,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 2436 transitions, 91883 flow [2021-04-29 08:03:17,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 797 places, 2436 transitions, 91668 flow, removed 43 selfloop flow, removed 7 redundant places. [2021-04-29 08:03:17,871 INFO L241 Difference]: Finished difference. Result has 801 places, 2421 transitions, 86735 flow [2021-04-29 08:03:17,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=84178, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=86735, PETRI_PLACES=801, PETRI_TRANSITIONS=2421} [2021-04-29 08:03:17,872 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 770 predicate places. [2021-04-29 08:03:17,872 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:03:17,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 2421 transitions, 86735 flow [2021-04-29 08:03:17,872 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 2421 transitions, 86735 flow [2021-04-29 08:03:17,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 2421 transitions, 86735 flow [2021-04-29 08:03:21,561 INFO L129 PetriNetUnfolder]: 2143/5650 cut-off events. [2021-04-29 08:03:21,561 INFO L130 PetriNetUnfolder]: For 484502/484811 co-relation queries the response was YES. [2021-04-29 08:03:21,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84012 conditions, 5650 events. 2143/5650 cut-off events. For 484502/484811 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 60013 event pairs, 1 based on Foata normal form. 48/5680 useless extension candidates. Maximal degree in co-relation 83649. Up to 1272 conditions per place. [2021-04-29 08:03:22,152 INFO L146 LiptonReduction]: Number of co-enabled transitions 2952 [2021-04-29 08:03:23,104 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:03:23,105 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:03:23,105 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5233 [2021-04-29 08:03:23,105 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 2421 transitions, 86735 flow [2021-04-29 08:03:23,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:23,105 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:03:23,105 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:03:23,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:23,306 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:03:23,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:03:23,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1665484851, now seen corresponding path program 22 times [2021-04-29 08:03:23,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:03:23,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461721838] [2021-04-29 08:03:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:03:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:23,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-04-29 08:03:23,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:03:23,352 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.6 percent of original size [2021-04-29 08:03:23,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 08:03:23,416 INFO L142 QuantifierPusher]: treesize reduction 17, result has 77.6 percent of original size [2021-04-29 08:03:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 08:03:23,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:23,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:23,536 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-29 08:03:23,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:23,558 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 08:03:23,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:23,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461721838] [2021-04-29 08:03:23,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488864129] [2021-04-29 08:03:23,579 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 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:23,612 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:03:23,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:03:23,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:03:23,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:03:23,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 08:03:23,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:03:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:23,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:03:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 08:03:23,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:23,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,728 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-04-29 08:03:23,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:23,729 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size 36 [2021-04-29 08:03:23,729 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 08:03:23,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:03:23,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:23,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:03:23,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:23,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:03:23,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:23,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:03:23,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,779 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.0 percent of original size [2021-04-29 08:03:23,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:03:23,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 08:03:23,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:03:23,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 08:03:23,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:03:23,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 08:03:23,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:03:23,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 08:03:23,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:03:23,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 08:03:23,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:03:23,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:03:23,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:03:23,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:03:23,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:03:23,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:03:23,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:03:23,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:03:23,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 08:03:23,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 08:03:23,890 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-04-29 08:03:23,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 43 [2021-04-29 08:03:23,891 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.2 percent of original size [2021-04-29 08:03:23,893 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-04-29 08:03:23,894 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-04-29 08:03:23,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:23,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:03:23,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,911 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:03:23,912 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,914 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-29 08:03:23,915 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 08:03:23,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:03:23,915 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:21 [2021-04-29 08:03:23,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 08:03:23,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:03:23,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:03:23,951 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 08:03:23,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:23,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:23,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:23,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,956 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:23,957 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:23,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-29 08:03:23,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:03:23,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:03:23,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:03:23,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:23,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:23,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:03:23,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-04-29 08:03:23,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675864314] [2021-04-29 08:03:23,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:03:23,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:03:23,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:03:23,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:03:23,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:03:23,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 2421 transitions, 86735 flow. Second operand has 14 states, 14 states have (on average 15.071428571428571) internal successors, (211), 14 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:23,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:03:23,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:03:23,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:03:24,806 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-04-29 08:03:25,359 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-04-29 08:03:25,580 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-04-29 08:03:26,653 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-04-29 08:03:26,944 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-04-29 08:03:34,996 INFO L129 PetriNetUnfolder]: 2335/5989 cut-off events. [2021-04-29 08:03:34,996 INFO L130 PetriNetUnfolder]: For 510351/510370 co-relation queries the response was YES. [2021-04-29 08:03:35,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92353 conditions, 5989 events. 2335/5989 cut-off events. For 510351/510370 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 62610 event pairs, 88 based on Foata normal form. 23/6012 useless extension candidates. Maximal degree in co-relation 91985. Up to 3477 conditions per place. [2021-04-29 08:03:35,174 INFO L132 encePairwiseOnDemand]: 32/40 looper letters, 1736 selfloop transitions, 713 changer transitions 3/2458 dead transitions. [2021-04-29 08:03:35,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 819 places, 2458 transitions, 92745 flow [2021-04-29 08:03:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-29 08:03:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-04-29 08:03:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 331 transitions. [2021-04-29 08:03:35,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4355263157894737 [2021-04-29 08:03:35,176 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 331 transitions. [2021-04-29 08:03:35,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 331 transitions. [2021-04-29 08:03:35,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:03:35,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 331 transitions. [2021-04-29 08:03:35,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 17.42105263157895) internal successors, (331), 19 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:35,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 40.0) internal successors, (800), 20 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) [2021-04-29 08:03:35,177 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 40.0) internal successors, (800), 20 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) [2021-04-29 08:03:35,177 INFO L185 Difference]: Start difference. First operand has 801 places, 2421 transitions, 86735 flow. Second operand 19 states and 331 transitions. [2021-04-29 08:03:35,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 819 places, 2458 transitions, 92745 flow [2021-04-29 08:03:44,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 817 places, 2458 transitions, 92046 flow, removed 341 selfloop flow, removed 2 redundant places. [2021-04-29 08:03:44,463 INFO L241 Difference]: Finished difference. Result has 823 places, 2434 transitions, 87890 flow [2021-04-29 08:03:44,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=86036, PETRI_DIFFERENCE_MINUEND_PLACES=799, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=700, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=87890, PETRI_PLACES=823, PETRI_TRANSITIONS=2434} [2021-04-29 08:03:44,464 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 792 predicate places. [2021-04-29 08:03:44,464 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:03:44,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 2434 transitions, 87890 flow [2021-04-29 08:03:44,464 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 2434 transitions, 87890 flow [2021-04-29 08:03:44,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 2434 transitions, 87890 flow [2021-04-29 08:03:48,095 INFO L129 PetriNetUnfolder]: 2155/5680 cut-off events. [2021-04-29 08:03:48,095 INFO L130 PetriNetUnfolder]: For 511161/511449 co-relation queries the response was YES. [2021-04-29 08:03:48,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85751 conditions, 5680 events. 2155/5680 cut-off events. For 511161/511449 co-relation queries the response was YES. Maximal size of possible extension queue 712. Compared 60345 event pairs, 1 based on Foata normal form. 44/5708 useless extension candidates. Maximal degree in co-relation 85381. Up to 1286 conditions per place. [2021-04-29 08:03:48,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 2958 [2021-04-29 08:03:49,643 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:03:49,643 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:03:49,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5179 [2021-04-29 08:03:49,643 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 2434 transitions, 87890 flow [2021-04-29 08:03:49,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.071428571428571) internal successors, (211), 14 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:49,643 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:03:49,644 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:03:49,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:49,844 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:03:49,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:03:49,845 INFO L82 PathProgramCache]: Analyzing trace with hash -983552001, now seen corresponding path program 23 times [2021-04-29 08:03:49,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:03:49,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618076226] [2021-04-29 08:03:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:03:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:03:49,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 08:03:49,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:03:49,895 INFO L142 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-04-29 08:03:49,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 08:03:49,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:49,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:03:49,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:49,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:03:49,990 INFO L142 QuantifierPusher]: treesize reduction 13, result has 58.1 percent of original size [2021-04-29 08:03:49,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:03:50,011 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-04-29 08:03:50,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:50,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618076226] [2021-04-29 08:03:50,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798321142] [2021-04-29 08:03:50,030 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 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:03:50,064 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-29 08:03:50,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:03:50,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:03:50,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:03:50,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:03:50,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,108 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-04-29 08:03:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 08:03:50,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,164 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-04-29 08:03:50,165 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-04-29 08:03:50,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:03:50,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:50,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 08:03:50,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:03:50,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:50,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:50,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:03:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:50,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:50,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 08:03:50,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:03:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:03:50,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:03:50,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2021-04-29 08:03:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,272 INFO L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-04-29 08:03:50,273 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-04-29 08:03:50,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:03:50,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-04-29 08:03:50,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,288 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-04-29 08:03:50,289 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,291 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-29 08:03:50,291 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-29 08:03:50,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:03:50,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2021-04-29 08:03:50,293 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-04-29 08:03:50,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:03:50,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 08:03:50,326 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-04-29 08:03:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:50,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:03:50,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:03:50,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,332 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-04-29 08:03:50,333 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:03:50,335 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-29 08:03:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:03:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:03:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 08:03:50,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:03:50,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:03:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:03:50,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:03:50,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:03:50,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729392133] [2021-04-29 08:03:50,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:03:50,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:03:50,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:03:50,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:03:50,362 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:03:50,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 2434 transitions, 87890 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:03:50,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:03:50,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:03:50,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:01,547 INFO L129 PetriNetUnfolder]: 2333/5963 cut-off events. [2021-04-29 08:04:01,547 INFO L130 PetriNetUnfolder]: For 533467/533486 co-relation queries the response was YES. [2021-04-29 08:04:01,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93427 conditions, 5963 events. 2333/5963 cut-off events. For 533467/533486 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 62131 event pairs, 98 based on Foata normal form. 18/5981 useless extension candidates. Maximal degree in co-relation 93052. Up to 4559 conditions per place. [2021-04-29 08:04:01,943 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2359 selfloop transitions, 77 changer transitions 13/2455 dead transitions. [2021-04-29 08:04:01,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 833 places, 2455 transitions, 93578 flow [2021-04-29 08:04:01,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 08:04:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 08:04:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 219 transitions. [2021-04-29 08:04:01,945 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45625 [2021-04-29 08:04:01,945 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 219 transitions. [2021-04-29 08:04:01,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 219 transitions. [2021-04-29 08:04:01,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:04:01,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 219 transitions. [2021-04-29 08:04:01,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 18.25) internal successors, (219), 12 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:01,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:01,946 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:01,946 INFO L185 Difference]: Start difference. First operand has 822 places, 2434 transitions, 87890 flow. Second operand 12 states and 219 transitions. [2021-04-29 08:04:01,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 833 places, 2455 transitions, 93578 flow [2021-04-29 08:04:10,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 829 places, 2455 transitions, 93400 flow, removed 80 selfloop flow, removed 4 redundant places. [2021-04-29 08:04:10,977 INFO L241 Difference]: Finished difference. Result has 831 places, 2438 transitions, 88089 flow [2021-04-29 08:04:10,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87712, PETRI_DIFFERENCE_MINUEND_PLACES=818, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=88089, PETRI_PLACES=831, PETRI_TRANSITIONS=2438} [2021-04-29 08:04:10,979 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 800 predicate places. [2021-04-29 08:04:10,979 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:04:10,979 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 831 places, 2438 transitions, 88089 flow [2021-04-29 08:04:10,979 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 831 places, 2438 transitions, 88089 flow [2021-04-29 08:04:11,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 2438 transitions, 88089 flow [2021-04-29 08:04:14,872 INFO L129 PetriNetUnfolder]: 2148/5642 cut-off events. [2021-04-29 08:04:14,872 INFO L130 PetriNetUnfolder]: For 499208/499500 co-relation queries the response was YES. [2021-04-29 08:04:15,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85052 conditions, 5642 events. 2148/5642 cut-off events. For 499208/499500 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59790 event pairs, 1 based on Foata normal form. 46/5672 useless extension candidates. Maximal degree in co-relation 84680. Up to 1257 conditions per place. [2021-04-29 08:04:15,102 INFO L146 LiptonReduction]: Number of co-enabled transitions 2952 [2021-04-29 08:04:16,089 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:04:16,090 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:04:16,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5111 [2021-04-29 08:04:16,090 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 2438 transitions, 88089 flow [2021-04-29 08:04:16,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:16,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:04:16,090 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:04:16,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-04-29 08:04:16,297 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:04:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:04:16,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1410049902, now seen corresponding path program 52 times [2021-04-29 08:04:16,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:04:16,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495172980] [2021-04-29 08:04:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:04:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:04:16,331 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-04-29 08:04:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:16,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:04:16,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,426 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.8 percent of original size [2021-04-29 08:04:16,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:16,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:04:16,478 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 08:04:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:04:16,527 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:04:16,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:04:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:16,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495172980] [2021-04-29 08:04:16,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308484528] [2021-04-29 08:04:16,572 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 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:16,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-29 08:04:16,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:04:16,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:04:16,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:04:16,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:16,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:16,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:16,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:16,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:04:16,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 08:04:16,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:16,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:04:16,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:04:16,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:16,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:16,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:04:16,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:04:16,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:04:16,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:04:16,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,759 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size [2021-04-29 08:04:16,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:04:16,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:04:16,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,824 INFO L142 QuantifierPusher]: treesize reduction 16, result has 84.5 percent of original size [2021-04-29 08:04:16,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 08:04:16,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 08:04:16,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 08:04:16,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 08:04:16,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-29 08:04:16,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-29 08:04:16,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-04-29 08:04:16,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 08:04:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:16,862 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-04-29 08:04:16,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 56 [2021-04-29 08:04:16,863 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.7 percent of original size [2021-04-29 08:04:16,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:16,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 08:04:16,866 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-04-29 08:04:16,866 INFO L142 QuantifierPusher]: treesize reduction 11, result has 47.6 percent of original size [2021-04-29 08:04:16,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:16,867 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:04:16,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:04:16,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:04:16,877 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:87, output treesize:7 [2021-04-29 08:04:16,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:04:16,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:04:16,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:16,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:04:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:16,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:04:16,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:04:16,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80194186] [2021-04-29 08:04:16,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:04:16,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:04:16,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:04:16,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:04:16,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:04:16,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 2438 transitions, 88089 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:16,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:04:16,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:04:16,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:17,184 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-04-29 08:04:27,612 INFO L129 PetriNetUnfolder]: 2326/5933 cut-off events. [2021-04-29 08:04:27,612 INFO L130 PetriNetUnfolder]: For 522755/522761 co-relation queries the response was YES. [2021-04-29 08:04:27,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92943 conditions, 5933 events. 2326/5933 cut-off events. For 522755/522761 co-relation queries the response was YES. Maximal size of possible extension queue 735. Compared 61582 event pairs, 98 based on Foata normal form. 5/5938 useless extension candidates. Maximal degree in co-relation 92566. Up to 4562 conditions per place. [2021-04-29 08:04:27,791 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2383 selfloop transitions, 59 changer transitions 3/2451 dead transitions. [2021-04-29 08:04:27,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 840 places, 2451 transitions, 93337 flow [2021-04-29 08:04:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 08:04:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 08:04:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 179 transitions. [2021-04-29 08:04:27,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4475 [2021-04-29 08:04:27,792 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 179 transitions. [2021-04-29 08:04:27,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 179 transitions. [2021-04-29 08:04:27,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:04:27,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 179 transitions. [2021-04-29 08:04:27,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 17.9) internal successors, (179), 10 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) [2021-04-29 08:04:27,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:27,793 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 40.0) internal successors, (440), 11 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:27,793 INFO L185 Difference]: Start difference. First operand has 831 places, 2438 transitions, 88089 flow. Second operand 10 states and 179 transitions. [2021-04-29 08:04:27,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 840 places, 2451 transitions, 93337 flow [2021-04-29 08:04:36,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 829 places, 2451 transitions, 93002 flow, removed 76 selfloop flow, removed 11 redundant places. [2021-04-29 08:04:36,915 INFO L241 Difference]: Finished difference. Result has 831 places, 2444 transitions, 88082 flow [2021-04-29 08:04:36,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87754, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=88082, PETRI_PLACES=831, PETRI_TRANSITIONS=2444} [2021-04-29 08:04:36,916 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 800 predicate places. [2021-04-29 08:04:36,916 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:04:36,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 831 places, 2444 transitions, 88082 flow [2021-04-29 08:04:36,916 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 831 places, 2444 transitions, 88082 flow [2021-04-29 08:04:36,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 2444 transitions, 88082 flow [2021-04-29 08:04:40,553 INFO L129 PetriNetUnfolder]: 2148/5650 cut-off events. [2021-04-29 08:04:40,554 INFO L130 PetriNetUnfolder]: For 507157/507459 co-relation queries the response was YES. [2021-04-29 08:04:40,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85228 conditions, 5650 events. 2148/5650 cut-off events. For 507157/507459 co-relation queries the response was YES. Maximal size of possible extension queue 707. Compared 59954 event pairs, 2 based on Foata normal form. 52/5686 useless extension candidates. Maximal degree in co-relation 84855. Up to 1253 conditions per place. [2021-04-29 08:04:40,787 INFO L146 LiptonReduction]: Number of co-enabled transitions 2956 [2021-04-29 08:04:41,764 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:04:41,764 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:04:41,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4848 [2021-04-29 08:04:41,764 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 2444 transitions, 88082 flow [2021-04-29 08:04:41,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:41,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:04:41,765 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:04:41,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:41,966 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:04:41,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:04:41,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2033178616, now seen corresponding path program 53 times [2021-04-29 08:04:41,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:04:41,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508459816] [2021-04-29 08:04:41,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:04:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:04:41,987 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-04-29 08:04:41,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:04:42,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:04:42,338 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-04-29 08:04:42,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,357 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.8 percent of original size [2021-04-29 08:04:42,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,411 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-04-29 08:04:42,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:04:42,470 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 08:04:42,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:04:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:42,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508459816] [2021-04-29 08:04:42,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409070549] [2021-04-29 08:04:42,522 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 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:04:42,552 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-04-29 08:04:42,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:04:42,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2021-04-29 08:04:42,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:04:42,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:04:42,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:42,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:42,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:42,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:42,637 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-04-29 08:04:42,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:04:42,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:42,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:42,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:42,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:04:42,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:04:42,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:42,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:04:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:04:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:42,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:42,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:04:42,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:04:42,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:42,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:42,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 08:04:42,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:04:42,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:04:42,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 08:04:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:04:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:42,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:04:42,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:04:42,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2021-04-29 08:04:42,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:42,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:04:42,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:04:42,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,792 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-04-29 08:04:42,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:04:42,792 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:10 [2021-04-29 08:04:42,792 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-29 08:04:42,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:04:42,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:04:42,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:04:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 08:04:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:04:42,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:04:42,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:04:42,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977201792] [2021-04-29 08:04:42,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:04:42,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:04:42,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:04:42,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:04:42,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:04:42,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 2444 transitions, 88082 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:42,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:04:42,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:04:42,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:04:52,896 INFO L129 PetriNetUnfolder]: 2339/5965 cut-off events. [2021-04-29 08:04:52,896 INFO L130 PetriNetUnfolder]: For 531141/531160 co-relation queries the response was YES. [2021-04-29 08:04:53,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93409 conditions, 5965 events. 2339/5965 cut-off events. For 531141/531160 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 62020 event pairs, 94 based on Foata normal form. 21/5986 useless extension candidates. Maximal degree in co-relation 93031. Up to 4550 conditions per place. [2021-04-29 08:04:53,083 INFO L132 encePairwiseOnDemand]: 34/40 looper letters, 2345 selfloop transitions, 120 changer transitions 3/2474 dead transitions. [2021-04-29 08:04:53,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 2474 transitions, 93817 flow [2021-04-29 08:04:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:04:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:04:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 198 transitions. [2021-04-29 08:04:53,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-04-29 08:04:53,085 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 198 transitions. [2021-04-29 08:04:53,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 198 transitions. [2021-04-29 08:04:53,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:04:53,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 198 transitions. [2021-04-29 08:04:53,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.0) internal successors, (198), 11 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:04:53,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 08:04:53,086 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 08:04:53,086 INFO L185 Difference]: Start difference. First operand has 831 places, 2444 transitions, 88082 flow. Second operand 11 states and 198 transitions. [2021-04-29 08:04:53,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 2474 transitions, 93817 flow [2021-04-29 08:05:02,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 834 places, 2474 transitions, 93679 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-04-29 08:05:02,550 INFO L241 Difference]: Finished difference. Result has 837 places, 2461 transitions, 88734 flow [2021-04-29 08:05:02,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87944, PETRI_DIFFERENCE_MINUEND_PLACES=824, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=88734, PETRI_PLACES=837, PETRI_TRANSITIONS=2461} [2021-04-29 08:05:02,551 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 806 predicate places. [2021-04-29 08:05:02,551 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:05:02,552 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 837 places, 2461 transitions, 88734 flow [2021-04-29 08:05:02,552 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 837 places, 2461 transitions, 88734 flow [2021-04-29 08:05:02,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 837 places, 2461 transitions, 88734 flow [2021-04-29 08:05:06,570 INFO L129 PetriNetUnfolder]: 2162/5679 cut-off events. [2021-04-29 08:05:06,570 INFO L130 PetriNetUnfolder]: For 518003/518312 co-relation queries the response was YES. [2021-04-29 08:05:06,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85955 conditions, 5679 events. 2162/5679 cut-off events. For 518003/518312 co-relation queries the response was YES. Maximal size of possible extension queue 710. Compared 60243 event pairs, 2 based on Foata normal form. 51/5714 useless extension candidates. Maximal degree in co-relation 85580. Up to 1267 conditions per place. [2021-04-29 08:05:06,803 INFO L146 LiptonReduction]: Number of co-enabled transitions 2962 [2021-04-29 08:05:07,797 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:05:07,797 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:05:07,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5246 [2021-04-29 08:05:07,798 INFO L480 AbstractCegarLoop]: Abstraction has has 837 places, 2461 transitions, 88734 flow [2021-04-29 08:05:07,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:07,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:05:07,798 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:05:07,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:07,999 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:05:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:05:07,999 INFO L82 PathProgramCache]: Analyzing trace with hash -775951560, now seen corresponding path program 54 times [2021-04-29 08:05:07,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:05:08,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983052940] [2021-04-29 08:05:08,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:05:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:05:08,022 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-04-29 08:05:08,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 08:05:08,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:08,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 08:05:08,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:08,160 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 08:05:08,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:05:08,217 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:05:08,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:08,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983052940] [2021-04-29 08:05:08,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668362578] [2021-04-29 08:05:08,266 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 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:08,294 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-04-29 08:05:08,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-29 08:05:08,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 26 conjunts are in the unsatisfiable core [2021-04-29 08:05:08,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:05:08,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:05:08,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:05:08,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:05:08,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 08:05:08,388 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 08:05:08,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 08:05:08,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 08:05:08,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:08,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:08,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,431 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-29 08:05:08,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,491 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size [2021-04-29 08:05:08,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,492 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-04-29 08:05:08,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-04-29 08:05:08,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:05:08,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:05:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:05:08,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 08:05:08,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,549 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 08:05:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:05:08,550 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-04-29 08:05:08,551 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-04-29 08:05:08,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:08,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 08:05:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:08,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 08:05:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:08,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:08,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 08:05:08,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 08:05:08,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:05:08,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:08,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-04-29 08:05:08,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:08,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:08,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:05:08,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:05:08,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:05:08,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:7 [2021-04-29 08:05:08,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:05:08,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:05:08,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:08,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:08,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:05:08,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-04-29 08:05:08,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720337353] [2021-04-29 08:05:08,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 08:05:08,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:05:08,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 08:05:08,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-04-29 08:05:08,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:05:08,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 837 places, 2461 transitions, 88734 flow. Second operand has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:08,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:05:08,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:05:08,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:05:08,926 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2021-04-29 08:05:20,055 INFO L129 PetriNetUnfolder]: 2402/6089 cut-off events. [2021-04-29 08:05:20,055 INFO L130 PetriNetUnfolder]: For 556760/556800 co-relation queries the response was YES. [2021-04-29 08:05:20,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95848 conditions, 6089 events. 2402/6089 cut-off events. For 556760/556800 co-relation queries the response was YES. Maximal size of possible extension queue 757. Compared 63339 event pairs, 101 based on Foata normal form. 26/6115 useless extension candidates. Maximal degree in co-relation 95468. Up to 4618 conditions per place. [2021-04-29 08:05:20,249 INFO L132 encePairwiseOnDemand]: 33/40 looper letters, 2400 selfloop transitions, 122 changer transitions 0/2528 dead transitions. [2021-04-29 08:05:20,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 847 places, 2528 transitions, 95890 flow [2021-04-29 08:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 08:05:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 08:05:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 202 transitions. [2021-04-29 08:05:20,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4590909090909091 [2021-04-29 08:05:20,252 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 202 transitions. [2021-04-29 08:05:20,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 202 transitions. [2021-04-29 08:05:20,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 08:05:20,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 202 transitions. [2021-04-29 08:05:20,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 18.363636363636363) internal successors, (202), 11 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:20,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 08:05:20,254 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 40.0) internal successors, (480), 12 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) [2021-04-29 08:05:20,254 INFO L185 Difference]: Start difference. First operand has 837 places, 2461 transitions, 88734 flow. Second operand 11 states and 202 transitions. [2021-04-29 08:05:20,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 847 places, 2528 transitions, 95890 flow [2021-04-29 08:05:30,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 841 places, 2528 transitions, 95675 flow, removed 41 selfloop flow, removed 6 redundant places. [2021-04-29 08:05:30,412 INFO L241 Difference]: Finished difference. Result has 844 places, 2513 transitions, 90659 flow [2021-04-29 08:05:30,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=88531, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=90659, PETRI_PLACES=844, PETRI_TRANSITIONS=2513} [2021-04-29 08:05:30,413 INFO L343 CegarLoopForPetriNet]: 31 programPoint places, 813 predicate places. [2021-04-29 08:05:30,414 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 08:05:30,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 844 places, 2513 transitions, 90659 flow [2021-04-29 08:05:30,414 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 844 places, 2513 transitions, 90659 flow [2021-04-29 08:05:30,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 844 places, 2513 transitions, 90659 flow [2021-04-29 08:05:34,154 INFO L129 PetriNetUnfolder]: 2220/5800 cut-off events. [2021-04-29 08:05:34,154 INFO L130 PetriNetUnfolder]: For 544135/544458 co-relation queries the response was YES. [2021-04-29 08:05:34,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88338 conditions, 5800 events. 2220/5800 cut-off events. For 544135/544458 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 61613 event pairs, 2 based on Foata normal form. 51/5834 useless extension candidates. Maximal degree in co-relation 87960. Up to 1301 conditions per place. [2021-04-29 08:05:34,798 INFO L146 LiptonReduction]: Number of co-enabled transitions 2974 [2021-04-29 08:05:35,931 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 08:05:35,931 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 08:05:35,932 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5518 [2021-04-29 08:05:35,932 INFO L480 AbstractCegarLoop]: Abstraction has has 844 places, 2513 transitions, 90659 flow [2021-04-29 08:05:35,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 15.214285714285714) internal successors, (213), 14 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:35,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 08:05:35,932 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 08:05:36,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-04-29 08:05:36,133 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 08:05:36,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 08:05:36,134 INFO L82 PathProgramCache]: Analyzing trace with hash 495674710, now seen corresponding path program 55 times [2021-04-29 08:05:36,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 08:05:36,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717667769] [2021-04-29 08:05:36,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 08:05:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:05:36,156 INFO L142 QuantifierPusher]: treesize reduction 23, result has 51.1 percent of original size [2021-04-29 08:05:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 08:05:36,212 INFO L142 QuantifierPusher]: treesize reduction 39, result has 49.4 percent of original size [2021-04-29 08:05:36,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 08:05:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 08:05:36,297 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.2 percent of original size [2021-04-29 08:05:36,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 08:05:36,358 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:05:36,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:36,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717667769] [2021-04-29 08:05:36,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684290226] [2021-04-29 08:05:36,410 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 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 08:05:36,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2021-04-29 08:05:36,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 08:05:36,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 08:05:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,496 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-04-29 08:05:36,497 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-04-29 08:05:36,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:36,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:36,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 08:05:36,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,533 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-04-29 08:05:36,534 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-04-29 08:05:36,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 08:05:36,617 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-29 08:05:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 08:05:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:36,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 08:05:36,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 08:05:36,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 08:05:36,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 08:05:36,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 08:05:36,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 08:05:36,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 08:05:36,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:05:36,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-04-29 08:05:36,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-04-29 08:05:36,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-04-29 08:05:36,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:36,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 08:05:36,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-29 08:05:36,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,721 INFO L147 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size 7 [2021-04-29 08:05:36,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-29 08:05:36,721 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:10 [2021-04-29 08:05:36,722 INFO L142 QuantifierPusher]: treesize reduction 3, result has 70.0 percent of original size [2021-04-29 08:05:36,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:05:36,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 08:05:36,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 08:05:36,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 08:05:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 08:05:36,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 08:05:36,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-04-29 08:05:36,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535096527] [2021-04-29 08:05:36,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 08:05:36,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 08:05:36,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 08:05:36,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-04-29 08:05:36,751 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 40 [2021-04-29 08:05:36,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 844 places, 2513 transitions, 90659 flow. Second operand has 13 states, 13 states have (on average 15.307692307692308) internal successors, (199), 13 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 08:05:36,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 08:05:36,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 40 [2021-04-29 08:05:36,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 08:05:37,312 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 Received shutdown request... [2021-04-29 08:05:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 08:05:37,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,79 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 08:05:37,532 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 08:05:37,537 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 08:05:37,538 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 08:05:37 BasicIcfg [2021-04-29 08:05:37,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 08:05:37,539 INFO L168 Benchmark]: Toolchain (without parser) took 795843.81 ms. Allocated memory was 306.2 MB in the beginning and 12.4 GB in the end (delta: 12.1 GB). Free memory was 275.1 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 5.1 GB. Max. memory is 16.0 GB. [2021-04-29 08:05:37,539 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.74 ms. Allocated memory is still 306.2 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 08:05:37,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.10 ms. Allocated memory is still 306.2 MB. Free memory was 289.2 MB in the beginning and 287.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 08:05:37,539 INFO L168 Benchmark]: Boogie Preprocessor took 33.00 ms. Allocated memory is still 306.2 MB. Free memory was 287.8 MB in the beginning and 286.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 08:05:37,539 INFO L168 Benchmark]: RCFGBuilder took 449.74 ms. Allocated memory is still 306.2 MB. Free memory was 286.8 MB in the beginning and 280.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 08:05:37,539 INFO L168 Benchmark]: TraceAbstraction took 795253.04 ms. Allocated memory was 306.2 MB in the beginning and 12.4 GB in the end (delta: 12.1 GB). Free memory was 280.3 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 5.1 GB. Max. memory is 16.0 GB. [2021-04-29 08:05:37,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.74 ms. Allocated memory is still 306.2 MB. Free memory is still 276.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.10 ms. Allocated memory is still 306.2 MB. Free memory was 289.2 MB in the beginning and 287.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.00 ms. Allocated memory is still 306.2 MB. Free memory was 287.8 MB in the beginning and 286.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 449.74 ms. Allocated memory is still 306.2 MB. Free memory was 286.8 MB in the beginning and 280.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 795253.04 ms. Allocated memory was 306.2 MB in the beginning and 12.4 GB in the end (delta: 12.1 GB). Free memory was 280.3 MB in the beginning and 7.3 GB in the end (delta: -7.0 GB). Peak memory consumption was 5.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.4ms, 31 PlacesBefore, 31 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 5 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 60, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9ms, 29 PlacesBefore, 25 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1ms, 26 PlacesBefore, 26 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.7ms, 35 PlacesBefore, 31 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.4ms, 41 PlacesBefore, 38 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 42 PlacesBefore, 42 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 47 PlacesBefore, 47 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.8ms, 51 PlacesBefore, 51 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.5ms, 60 PlacesBefore, 60 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.7ms, 74 PlacesBefore, 74 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.7ms, 89 PlacesBefore, 89 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.7ms, 99 PlacesBefore, 99 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96.4ms, 109 PlacesBefore, 109 PlacesAfterwards, 159 TransitionsBefore, 159 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.3ms, 123 PlacesBefore, 123 PlacesAfterwards, 223 TransitionsBefore, 223 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.7ms, 140 PlacesBefore, 140 PlacesAfterwards, 297 TransitionsBefore, 297 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.4ms, 165 PlacesBefore, 165 PlacesAfterwards, 368 TransitionsBefore, 368 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 306.1ms, 176 PlacesBefore, 176 PlacesAfterwards, 369 TransitionsBefore, 369 TransitionsAfterwards, 582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 207.8ms, 167 PlacesBefore, 167 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.2ms, 177 PlacesBefore, 176 PlacesAfterwards, 349 TransitionsBefore, 349 TransitionsAfterwards, 518 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 356.1ms, 205 PlacesBefore, 205 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 762 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 378.7ms, 241 PlacesBefore, 241 PlacesAfterwards, 556 TransitionsBefore, 556 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.3ms, 248 PlacesBefore, 248 PlacesAfterwards, 570 TransitionsBefore, 570 TransitionsAfterwards, 794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 373.0ms, 261 PlacesBefore, 261 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 432.5ms, 271 PlacesBefore, 271 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 844 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 378.0ms, 286 PlacesBefore, 286 PlacesAfterwards, 603 TransitionsBefore, 603 TransitionsAfterwards, 866 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 436.7ms, 278 PlacesBefore, 275 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 455.8ms, 290 PlacesBefore, 290 PlacesAfterwards, 686 TransitionsBefore, 686 TransitionsAfterwards, 998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 485.5ms, 307 PlacesBefore, 307 PlacesAfterwards, 729 TransitionsBefore, 729 TransitionsAfterwards, 1034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 627.6ms, 315 PlacesBefore, 315 PlacesAfterwards, 742 TransitionsBefore, 742 TransitionsAfterwards, 1062 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 976.3ms, 336 PlacesBefore, 336 PlacesAfterwards, 889 TransitionsBefore, 889 TransitionsAfterwards, 1278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 709.6ms, 347 PlacesBefore, 347 PlacesAfterwards, 914 TransitionsBefore, 914 TransitionsAfterwards, 1294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 782.2ms, 361 PlacesBefore, 361 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 1308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 926.3ms, 387 PlacesBefore, 387 PlacesAfterwards, 1062 TransitionsBefore, 1062 TransitionsAfterwards, 1404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 957.7ms, 389 PlacesBefore, 389 PlacesAfterwards, 1081 TransitionsBefore, 1081 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1007.3ms, 404 PlacesBefore, 404 PlacesAfterwards, 1120 TransitionsBefore, 1120 TransitionsAfterwards, 1484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1308.0ms, 408 PlacesBefore, 408 PlacesAfterwards, 1263 TransitionsBefore, 1263 TransitionsAfterwards, 1634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1276.9ms, 416 PlacesBefore, 416 PlacesAfterwards, 1267 TransitionsBefore, 1267 TransitionsAfterwards, 1648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1623.4ms, 429 PlacesBefore, 429 PlacesAfterwards, 1296 TransitionsBefore, 1296 TransitionsAfterwards, 1670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1472.3ms, 431 PlacesBefore, 431 PlacesAfterwards, 1298 TransitionsBefore, 1298 TransitionsAfterwards, 1672 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1552.1ms, 440 PlacesBefore, 440 PlacesAfterwards, 1322 TransitionsBefore, 1322 TransitionsAfterwards, 1688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1535.0ms, 451 PlacesBefore, 450 PlacesAfterwards, 1323 TransitionsBefore, 1323 TransitionsAfterwards, 1690 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1545.7ms, 459 PlacesBefore, 459 PlacesAfterwards, 1391 TransitionsBefore, 1391 TransitionsAfterwards, 1806 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1691.5ms, 474 PlacesBefore, 474 PlacesAfterwards, 1419 TransitionsBefore, 1419 TransitionsAfterwards, 1864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1763.5ms, 495 PlacesBefore, 495 PlacesAfterwards, 1536 TransitionsBefore, 1536 TransitionsAfterwards, 2022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2230.9ms, 506 PlacesBefore, 506 PlacesAfterwards, 1581 TransitionsBefore, 1581 TransitionsAfterwards, 2124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2384.8ms, 513 PlacesBefore, 513 PlacesAfterwards, 1587 TransitionsBefore, 1587 TransitionsAfterwards, 2136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2239.0ms, 516 PlacesBefore, 516 PlacesAfterwards, 1588 TransitionsBefore, 1588 TransitionsAfterwards, 2138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2301.6ms, 526 PlacesBefore, 526 PlacesAfterwards, 1588 TransitionsBefore, 1588 TransitionsAfterwards, 2138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2168.1ms, 532 PlacesBefore, 532 PlacesAfterwards, 1610 TransitionsBefore, 1610 TransitionsAfterwards, 2166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2407.5ms, 555 PlacesBefore, 555 PlacesAfterwards, 1690 TransitionsBefore, 1690 TransitionsAfterwards, 2298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2648.4ms, 566 PlacesBefore, 566 PlacesAfterwards, 1724 TransitionsBefore, 1724 TransitionsAfterwards, 2312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2897.2ms, 574 PlacesBefore, 574 PlacesAfterwards, 1752 TransitionsBefore, 1752 TransitionsAfterwards, 2356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2810.5ms, 579 PlacesBefore, 579 PlacesAfterwards, 1758 TransitionsBefore, 1758 TransitionsAfterwards, 2366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3048.2ms, 593 PlacesBefore, 593 PlacesAfterwards, 1772 TransitionsBefore, 1772 TransitionsAfterwards, 2374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2672.3ms, 597 PlacesBefore, 597 PlacesAfterwards, 1773 TransitionsBefore, 1773 TransitionsAfterwards, 2376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2801.8ms, 611 PlacesBefore, 611 PlacesAfterwards, 1770 TransitionsBefore, 1770 TransitionsAfterwards, 2382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3098.6ms, 615 PlacesBefore, 615 PlacesAfterwards, 1786 TransitionsBefore, 1786 TransitionsAfterwards, 2388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2935.6ms, 636 PlacesBefore, 636 PlacesAfterwards, 1847 TransitionsBefore, 1847 TransitionsAfterwards, 2440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3771.2ms, 648 PlacesBefore, 648 PlacesAfterwards, 1970 TransitionsBefore, 1970 TransitionsAfterwards, 2602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3421.0ms, 651 PlacesBefore, 651 PlacesAfterwards, 1984 TransitionsBefore, 1984 TransitionsAfterwards, 2608 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3907.5ms, 669 PlacesBefore, 669 PlacesAfterwards, 2019 TransitionsBefore, 2019 TransitionsAfterwards, 2646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3664.3ms, 679 PlacesBefore, 679 PlacesAfterwards, 2025 TransitionsBefore, 2025 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3562.4ms, 685 PlacesBefore, 685 PlacesAfterwards, 2036 TransitionsBefore, 2036 TransitionsAfterwards, 2662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3302.2ms, 695 PlacesBefore, 695 PlacesAfterwards, 2046 TransitionsBefore, 2046 TransitionsAfterwards, 2670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3707.7ms, 714 PlacesBefore, 714 PlacesAfterwards, 2120 TransitionsBefore, 2120 TransitionsAfterwards, 2768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4276.3ms, 723 PlacesBefore, 723 PlacesAfterwards, 2201 TransitionsBefore, 2201 TransitionsAfterwards, 2804 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4281.0ms, 737 PlacesBefore, 737 PlacesAfterwards, 2251 TransitionsBefore, 2251 TransitionsAfterwards, 2848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4443.5ms, 748 PlacesBefore, 748 PlacesAfterwards, 2298 TransitionsBefore, 2298 TransitionsAfterwards, 2904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4359.5ms, 755 PlacesBefore, 755 PlacesAfterwards, 2300 TransitionsBefore, 2300 TransitionsAfterwards, 2910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4579.1ms, 768 PlacesBefore, 768 PlacesAfterwards, 2312 TransitionsBefore, 2312 TransitionsAfterwards, 2918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4681.3ms, 778 PlacesBefore, 778 PlacesAfterwards, 2331 TransitionsBefore, 2331 TransitionsAfterwards, 2922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4604.7ms, 787 PlacesBefore, 787 PlacesAfterwards, 2339 TransitionsBefore, 2339 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4621.3ms, 790 PlacesBefore, 790 PlacesAfterwards, 2340 TransitionsBefore, 2340 TransitionsAfterwards, 2930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4678.1ms, 795 PlacesBefore, 795 PlacesAfterwards, 2347 TransitionsBefore, 2347 TransitionsAfterwards, 2932 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5232.4ms, 801 PlacesBefore, 801 PlacesAfterwards, 2421 TransitionsBefore, 2421 TransitionsAfterwards, 2952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5178.5ms, 823 PlacesBefore, 822 PlacesAfterwards, 2434 TransitionsBefore, 2434 TransitionsAfterwards, 2958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5110.3ms, 831 PlacesBefore, 831 PlacesAfterwards, 2438 TransitionsBefore, 2438 TransitionsAfterwards, 2952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4847.6ms, 831 PlacesBefore, 831 PlacesAfterwards, 2444 TransitionsBefore, 2444 TransitionsAfterwards, 2956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5245.6ms, 837 PlacesBefore, 837 PlacesAfterwards, 2461 TransitionsBefore, 2461 TransitionsAfterwards, 2962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5517.7ms, 844 PlacesBefore, 844 PlacesAfterwards, 2513 TransitionsBefore, 2513 TransitionsAfterwards, 2974 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 60, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (13states, 14/40 universal loopers) in iteration 80,while PetriNetUnfolder was constructing finite prefix that currently has 595 conditions, 18 events (0/17 cut-off events. For 4187/4227 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 144 event pairs, 0 based on Foata normal form. 30/85 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 8.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 795090.1ms, OverallIterations: 80, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 584739.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 612.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 372 SDtfs, 1789 SDslu, 532 SDs, 0 SdLazy, 15176 SolverSat, 1227 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13709.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2104 GetRequests, 701 SyntacticMatches, 80 SemanticMatches, 1323 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5082 ImplicationChecksByTransitivity, 44938.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90659occurred in iteration=79, InterpolantAutomatonStates: 1056, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 386.1ms SsaConstructionTime, 1279.6ms SatisfiabilityAnalysisTime, 30881.0ms InterpolantComputationTime, 2277 NumberOfCodeBlocks, 2277 NumberOfCodeBlocksAsserted, 232 NumberOfCheckSat, 2119 ConstructedInterpolants, 54 QuantifiedInterpolants, 31858 SizeOfPredicates, 240 NumberOfNonLiveVariables, 4777 ConjunctsInSsa, 1401 ConjunctsInUnsatCore, 158 InterpolantComputations, 2 PerfectInterpolantSequences, 99/719 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown