/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 22:00:09,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 22:00:09,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 22:00:09,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 22:00:09,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 22:00:09,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 22:00:09,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 22:00:09,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 22:00:09,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 22:00:09,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 22:00:09,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 22:00:09,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 22:00:09,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 22:00:09,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 22:00:09,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 22:00:09,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 22:00:09,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 22:00:09,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 22:00:09,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 22:00:09,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 22:00:09,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 22:00:09,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 22:00:09,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 22:00:09,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 22:00:09,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 22:00:09,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 22:00:09,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 22:00:09,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 22:00:09,678 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-NoLbe.epf [2021-08-12 22:00:09,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 22:00:09,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 22:00:09,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 22:00:09,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 22:00:09,722 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 22:00:09,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 22:00:09,723 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 22:00:09,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 22:00:09,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 22:00:09,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 22:00:09,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 22:00:09,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 22:00:09,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 22:00:09,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 22:00:09,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 22:00:09,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 22:00:09,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 22:00:09,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 22:00:09,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 22:00:10,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 22:00:10,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 22:00:10,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 22:00:10,098 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 22:00:10,099 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 22:00:10,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-08-12 22:00:10,101 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-08-12 22:00:10,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 22:00:10,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 22:00:10,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 22:00:10,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 22:00:10,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 22:00:10,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 22:00:10,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 22:00:10,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 22:00:10,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 22:00:10,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/1) ... [2021-08-12 22:00:10,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 22:00:10,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 22:00:10,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 22:00:10,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 22:00:10,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (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 [2021-08-12 22:00:10,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-12 22:00:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 22:00:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 22:00:10,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-12 22:00:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 22:00:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 22:00:10,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 22:00:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 22:00:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 22:00:10,260 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 22:00:10,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 22:00:10,458 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-08-12 22:00:10,459 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-08-12 22:00:10,459 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-08-12 22:00:10,460 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:00:10 BoogieIcfgContainer [2021-08-12 22:00:10,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 22:00:10,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 22:00:10,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 22:00:10,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 22:00:10,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:00:10" (1/2) ... [2021-08-12 22:00:10,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29db3764 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 10:00:10, skipping insertion in model container [2021-08-12 22:00:10,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:00:10" (2/2) ... [2021-08-12 22:00:10,477 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-08-12 22:00:10,498 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 22:00:10,499 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 22:00:10,500 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 22:00:10,540 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-12 22:00:10,561 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-12 22:00:10,578 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 22:00:10,579 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 22:00:10,579 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 22:00:10,579 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 22:00:10,579 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 22:00:10,579 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 22:00:10,579 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 22:00:10,580 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 22:00:10,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 15 transitions, 46 flow [2021-08-12 22:00:10,604 INFO L129 PetriNetUnfolder]: 2/13 cut-off events. [2021-08-12 22:00:10,604 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 22:00:10,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 13 events. 2/13 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 8. Up to 2 conditions per place. [2021-08-12 22:00:10,610 INFO L82 GeneralOperation]: Start removeDead. Operand has 20 places, 15 transitions, 46 flow [2021-08-12 22:00:10,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 16 places, 11 transitions, 34 flow [2021-08-12 22:00:10,618 INFO L129 PetriNetUnfolder]: 2/10 cut-off events. [2021-08-12 22:00:10,618 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 22:00:10,618 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:10,619 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:10,619 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:10,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:10,624 INFO L82 PathProgramCache]: Analyzing trace with hash -808876208, now seen corresponding path program 1 times [2021-08-12 22:00:10,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:10,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731257164] [2021-08-12 22:00:10,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:10,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:10,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:10,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731257164] [2021-08-12 22:00:10,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731257164] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:00:10,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:00:10,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 22:00:10,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326871859] [2021-08-12 22:00:10,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 22:00:10,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:10,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 22:00:10,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 22:00:10,817 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:10,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 11 transitions, 34 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:10,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:10,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:10,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:10,872 INFO L129 PetriNetUnfolder]: 5/20 cut-off events. [2021-08-12 22:00:10,872 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-12 22:00:10,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 20 events. 5/20 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 1/21 useless extension candidates. Maximal degree in co-relation 20. Up to 8 conditions per place. [2021-08-12 22:00:10,874 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 3 selfloop transitions, 3 changer transitions 0/13 dead transitions. [2021-08-12 22:00:10,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 13 transitions, 50 flow [2021-08-12 22:00:10,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 22:00:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 22:00:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2021-08-12 22:00:10,883 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2021-08-12 22:00:10,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 37 transitions. [2021-08-12 22:00:10,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 37 transitions. [2021-08-12 22:00:10,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:10,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 37 transitions. [2021-08-12 22:00:10,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:10,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:10,891 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:10,891 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 2 predicate places. [2021-08-12 22:00:10,891 INFO L482 AbstractCegarLoop]: Abstraction has has 18 places, 13 transitions, 50 flow [2021-08-12 22:00:10,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:10,892 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:10,892 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:10,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 22:00:10,892 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:10,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:10,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1080561104, now seen corresponding path program 1 times [2021-08-12 22:00:10,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:10,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645995914] [2021-08-12 22:00:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:10,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:10,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:10,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:10,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:10,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645995914] [2021-08-12 22:00:10,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645995914] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:10,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143322789] [2021-08-12 22:00:10,929 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 [2021-08-12 22:00:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:10,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-12 22:00:10,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:10,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:10,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:11,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:11,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:11,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:11,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:11,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:11,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,067 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:11,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:11,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143322789] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:11,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:11,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-08-12 22:00:11,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889218041] [2021-08-12 22:00:11,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:00:11,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:11,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:00:11,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:00:11,086 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:11,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 13 transitions, 50 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:11,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:11,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:11,150 INFO L129 PetriNetUnfolder]: 11/36 cut-off events. [2021-08-12 22:00:11,150 INFO L130 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2021-08-12 22:00:11,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 36 events. 11/36 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 1 based on Foata normal form. 4/40 useless extension candidates. Maximal degree in co-relation 64. Up to 15 conditions per place. [2021-08-12 22:00:11,153 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 8 selfloop transitions, 4 changer transitions 0/18 dead transitions. [2021-08-12 22:00:11,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 18 transitions, 88 flow [2021-08-12 22:00:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 22:00:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 22:00:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2021-08-12 22:00:11,155 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8166666666666667 [2021-08-12 22:00:11,155 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 49 transitions. [2021-08-12 22:00:11,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 49 transitions. [2021-08-12 22:00:11,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:11,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 49 transitions. [2021-08-12 22:00:11,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) [2021-08-12 22:00:11,159 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) [2021-08-12 22:00:11,160 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 5 predicate places. [2021-08-12 22:00:11,160 INFO L482 AbstractCegarLoop]: Abstraction has has 21 places, 18 transitions, 88 flow [2021-08-12 22:00:11,160 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,160 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:11,160 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:11,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-12 22:00:11,377 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:11,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash 659531206, now seen corresponding path program 2 times [2021-08-12 22:00:11,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:11,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339683339] [2021-08-12 22:00:11,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:11,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:11,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:11,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339683339] [2021-08-12 22:00:11,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339683339] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:00:11,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:00:11,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 22:00:11,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644160878] [2021-08-12 22:00:11,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 22:00:11,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:11,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 22:00:11,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 22:00:11,445 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:11,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 18 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:11,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:11,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:11,508 INFO L129 PetriNetUnfolder]: 9/29 cut-off events. [2021-08-12 22:00:11,508 INFO L130 PetriNetUnfolder]: For 22/25 co-relation queries the response was YES. [2021-08-12 22:00:11,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 29 events. 9/29 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 51 event pairs, 1 based on Foata normal form. 5/34 useless extension candidates. Maximal degree in co-relation 71. Up to 15 conditions per place. [2021-08-12 22:00:11,509 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 7 selfloop transitions, 3 changer transitions 4/20 dead transitions. [2021-08-12 22:00:11,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 20 transitions, 124 flow [2021-08-12 22:00:11,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 22:00:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 22:00:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2021-08-12 22:00:11,510 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8166666666666667 [2021-08-12 22:00:11,510 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 49 transitions. [2021-08-12 22:00:11,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 49 transitions. [2021-08-12 22:00:11,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:11,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 49 transitions. [2021-08-12 22:00:11,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) [2021-08-12 22:00:11,512 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 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) [2021-08-12 22:00:11,512 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 8 predicate places. [2021-08-12 22:00:11,512 INFO L482 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 124 flow [2021-08-12 22:00:11,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,512 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:11,513 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:11,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 22:00:11,513 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:11,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:11,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1604293189, now seen corresponding path program 1 times [2021-08-12 22:00:11,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:11,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405364217] [2021-08-12 22:00:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:11,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:11,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:11,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:11,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405364217] [2021-08-12 22:00:11,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405364217] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:11,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914441785] [2021-08-12 22:00:11,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-08-12 22:00:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:11,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-12 22:00:11,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:11,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:11,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:11,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:11,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:11,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:11,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:11,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914441785] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:11,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:11,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-08-12 22:00:11,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739022727] [2021-08-12 22:00:11,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 22:00:11,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:11,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 22:00:11,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-12 22:00:11,663 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:11,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 124 flow. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:11,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:11,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:11,750 INFO L129 PetriNetUnfolder]: 14/38 cut-off events. [2021-08-12 22:00:11,751 INFO L130 PetriNetUnfolder]: For 32/35 co-relation queries the response was YES. [2021-08-12 22:00:11,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 38 events. 14/38 cut-off events. For 32/35 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 78 event pairs, 0 based on Foata normal form. 9/47 useless extension candidates. Maximal degree in co-relation 138. Up to 26 conditions per place. [2021-08-12 22:00:11,752 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 11 selfloop transitions, 8 changer transitions 4/29 dead transitions. [2021-08-12 22:00:11,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 238 flow [2021-08-12 22:00:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 22:00:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-12 22:00:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 73 transitions. [2021-08-12 22:00:11,753 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8111111111111111 [2021-08-12 22:00:11,753 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 73 transitions. [2021-08-12 22:00:11,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 73 transitions. [2021-08-12 22:00:11,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:11,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 73 transitions. [2021-08-12 22:00:11,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,755 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,755 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 13 predicate places. [2021-08-12 22:00:11,755 INFO L482 AbstractCegarLoop]: Abstraction has has 29 places, 29 transitions, 238 flow [2021-08-12 22:00:11,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:11,756 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:11,756 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:11,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:11,973 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:11,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:11,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1625391215, now seen corresponding path program 1 times [2021-08-12 22:00:11,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:11,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718590796] [2021-08-12 22:00:11,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:11,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:11,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:12,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:12,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:12,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718590796] [2021-08-12 22:00:12,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718590796] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:12,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43104412] [2021-08-12 22:00:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-08-12 22:00:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:12,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 22:00:12,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:12,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:12,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:12,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:12,183 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,183 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 15 treesize of output 18 [2021-08-12 22:00:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:12,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:12,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-08-12 22:00:12,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:12,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43104412] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:12,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:12,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-08-12 22:00:12,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951533882] [2021-08-12 22:00:12,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:12,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:12,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:12,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:12,230 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:12,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 29 transitions, 238 flow. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2021-08-12 22:00:12,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:12,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:12,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:12,301 INFO L129 PetriNetUnfolder]: 28/80 cut-off events. [2021-08-12 22:00:12,302 INFO L130 PetriNetUnfolder]: For 77/83 co-relation queries the response was YES. [2021-08-12 22:00:12,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 80 events. 28/80 cut-off events. For 77/83 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 209 event pairs, 5 based on Foata normal form. 1/81 useless extension candidates. Maximal degree in co-relation 312. Up to 54 conditions per place. [2021-08-12 22:00:12,304 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 12 selfloop transitions, 13 changer transitions 4/39 dead transitions. [2021-08-12 22:00:12,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 376 flow [2021-08-12 22:00:12,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:00:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:00:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 99 transitions. [2021-08-12 22:00:12,309 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.825 [2021-08-12 22:00:12,309 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 99 transitions. [2021-08-12 22:00:12,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 99 transitions. [2021-08-12 22:00:12,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:12,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 99 transitions. [2021-08-12 22:00:12,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.375) internal successors, (99), 8 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) [2021-08-12 22:00:12,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:12,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:12,315 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 20 predicate places. [2021-08-12 22:00:12,316 INFO L482 AbstractCegarLoop]: Abstraction has has 36 places, 39 transitions, 376 flow [2021-08-12 22:00:12,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2021-08-12 22:00:12,316 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:12,316 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:12,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:12,521 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:12,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:12,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1636436191, now seen corresponding path program 2 times [2021-08-12 22:00:12,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:12,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186230792] [2021-08-12 22:00:12,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:12,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:12,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:12,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:12,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:12,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186230792] [2021-08-12 22:00:12,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186230792] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:12,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960705478] [2021-08-12 22:00:12,557 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 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 [2021-08-12 22:00:12,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:12,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:12,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 22:00:12,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:12,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:12,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:12,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:12,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:12,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:12,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:12,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:12,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:12,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:12,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:12,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:12,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:12,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:12,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,654 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 15 treesize of output 18 [2021-08-12 22:00:12,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:12,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:12,662 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-08-12 22:00:12,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:12,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960705478] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:12,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:12,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-08-12 22:00:12,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123416452] [2021-08-12 22:00:12,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:12,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:12,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:12,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:12,695 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:12,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 39 transitions, 376 flow. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2021-08-12 22:00:12,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:12,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:12,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:12,751 INFO L129 PetriNetUnfolder]: 42/119 cut-off events. [2021-08-12 22:00:12,751 INFO L130 PetriNetUnfolder]: For 183/191 co-relation queries the response was YES. [2021-08-12 22:00:12,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 119 events. 42/119 cut-off events. For 183/191 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 425 event pairs, 9 based on Foata normal form. 3/122 useless extension candidates. Maximal degree in co-relation 510. Up to 82 conditions per place. [2021-08-12 22:00:12,754 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 22 selfloop transitions, 14 changer transitions 4/50 dead transitions. [2021-08-12 22:00:12,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 50 transitions, 568 flow [2021-08-12 22:00:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:00:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:00:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 99 transitions. [2021-08-12 22:00:12,756 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.825 [2021-08-12 22:00:12,756 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 99 transitions. [2021-08-12 22:00:12,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 99 transitions. [2021-08-12 22:00:12,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:12,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 99 transitions. [2021-08-12 22:00:12,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.375) internal successors, (99), 8 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) [2021-08-12 22:00:12,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:12,759 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:12,759 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 27 predicate places. [2021-08-12 22:00:12,759 INFO L482 AbstractCegarLoop]: Abstraction has has 43 places, 50 transitions, 568 flow [2021-08-12 22:00:12,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2021-08-12 22:00:12,760 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:12,760 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:12,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:12,977 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:12,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:12,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1291028539, now seen corresponding path program 3 times [2021-08-12 22:00:12,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:12,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994913511] [2021-08-12 22:00:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:12,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:12,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:12,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:13,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:13,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994913511] [2021-08-12 22:00:13,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994913511] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:13,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606955425] [2021-08-12 22:00:13,024 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 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 [2021-08-12 22:00:13,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-12 22:00:13,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:13,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 22:00:13,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:13,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:13,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:13,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:13,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:13,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:13,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:13,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:13,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:13,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,150 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 15 treesize of output 18 [2021-08-12 22:00:13,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:13,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:13,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-08-12 22:00:13,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:13,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606955425] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:13,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:13,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-08-12 22:00:13,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973904856] [2021-08-12 22:00:13,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:13,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:13,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:13,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:13,176 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:13,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 50 transitions, 568 flow. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2021-08-12 22:00:13,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:13,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:13,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:13,224 INFO L129 PetriNetUnfolder]: 58/163 cut-off events. [2021-08-12 22:00:13,224 INFO L130 PetriNetUnfolder]: For 306/312 co-relation queries the response was YES. [2021-08-12 22:00:13,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 163 events. 58/163 cut-off events. For 306/312 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 663 event pairs, 10 based on Foata normal form. 1/164 useless extension candidates. Maximal degree in co-relation 774. Up to 115 conditions per place. [2021-08-12 22:00:13,226 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 35 selfloop transitions, 14 changer transitions 4/63 dead transitions. [2021-08-12 22:00:13,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 63 transitions, 836 flow [2021-08-12 22:00:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:00:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:00:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 99 transitions. [2021-08-12 22:00:13,227 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.825 [2021-08-12 22:00:13,227 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 99 transitions. [2021-08-12 22:00:13,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 99 transitions. [2021-08-12 22:00:13,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:13,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 99 transitions. [2021-08-12 22:00:13,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.375) internal successors, (99), 8 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) [2021-08-12 22:00:13,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,229 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,229 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 34 predicate places. [2021-08-12 22:00:13,229 INFO L482 AbstractCegarLoop]: Abstraction has has 50 places, 63 transitions, 836 flow [2021-08-12 22:00:13,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2021-08-12 22:00:13,229 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:13,229 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:13,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-12 22:00:13,449 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:13,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:13,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1593568954, now seen corresponding path program 4 times [2021-08-12 22:00:13,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:13,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102722631] [2021-08-12 22:00:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:13,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:13,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:13,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102722631] [2021-08-12 22:00:13,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102722631] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:13,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823955655] [2021-08-12 22:00:13,539 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-08-12 22:00:13,588 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:00:13,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:13,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:13,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:13,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:13,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:13,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:13,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:13,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:13,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:13,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:13,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:13,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:13,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:13,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:13,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:13,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:13,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:13,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:13,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:13,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:13,661 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:13,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:13,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823955655] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:13,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:13,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-12 22:00:13,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838606007] [2021-08-12 22:00:13,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:13,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:13,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:13,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:13,673 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:13,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 63 transitions, 836 flow. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:13,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:13,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:13,837 INFO L129 PetriNetUnfolder]: 80/227 cut-off events. [2021-08-12 22:00:13,838 INFO L130 PetriNetUnfolder]: For 461/480 co-relation queries the response was YES. [2021-08-12 22:00:13,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 227 events. 80/227 cut-off events. For 461/480 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1085 event pairs, 5 based on Foata normal form. 10/237 useless extension candidates. Maximal degree in co-relation 1243. Up to 162 conditions per place. [2021-08-12 22:00:13,840 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 32 selfloop transitions, 46 changer transitions 4/94 dead transitions. [2021-08-12 22:00:13,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 94 transitions, 1384 flow [2021-08-12 22:00:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 22:00:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 22:00:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 114 transitions. [2021-08-12 22:00:13,841 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-08-12 22:00:13,842 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 114 transitions. [2021-08-12 22:00:13,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 114 transitions. [2021-08-12 22:00:13,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:13,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 114 transitions. [2021-08-12 22:00:13,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,843 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,843 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 42 predicate places. [2021-08-12 22:00:13,843 INFO L482 AbstractCegarLoop]: Abstraction has has 58 places, 94 transitions, 1384 flow [2021-08-12 22:00:13,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:13,843 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:13,843 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:14,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:14,060 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:14,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:14,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1290279586, now seen corresponding path program 5 times [2021-08-12 22:00:14,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:14,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215240580] [2021-08-12 22:00:14,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:14,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:14,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:14,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215240580] [2021-08-12 22:00:14,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215240580] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:14,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944258276] [2021-08-12 22:00:14,099 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 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 [2021-08-12 22:00:14,133 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:14,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:14,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:14,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:14,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:14,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:14,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:14,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,160 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:14,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:14,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:14,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:14,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,171 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:14,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:14,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944258276] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:14,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:14,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-12 22:00:14,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776004542] [2021-08-12 22:00:14,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:14,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:14,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:14,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:14,181 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:14,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 94 transitions, 1384 flow. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:14,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:14,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:14,360 INFO L129 PetriNetUnfolder]: 86/302 cut-off events. [2021-08-12 22:00:14,360 INFO L130 PetriNetUnfolder]: For 718/721 co-relation queries the response was YES. [2021-08-12 22:00:14,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1902 conditions, 302 events. 86/302 cut-off events. For 718/721 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1806 event pairs, 0 based on Foata normal form. 9/311 useless extension candidates. Maximal degree in co-relation 1702. Up to 196 conditions per place. [2021-08-12 22:00:14,363 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 53 selfloop transitions, 95 changer transitions 7/167 dead transitions. [2021-08-12 22:00:14,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 167 transitions, 2824 flow [2021-08-12 22:00:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 154 transitions. [2021-08-12 22:00:14,365 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7897435897435897 [2021-08-12 22:00:14,365 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 154 transitions. [2021-08-12 22:00:14,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 154 transitions. [2021-08-12 22:00:14,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:14,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 154 transitions. [2021-08-12 22:00:14,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.846153846153847) internal successors, (154), 13 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) [2021-08-12 22:00:14,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,367 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,367 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 54 predicate places. [2021-08-12 22:00:14,367 INFO L482 AbstractCegarLoop]: Abstraction has has 70 places, 167 transitions, 2824 flow [2021-08-12 22:00:14,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,368 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:14,368 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:14,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:14,591 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:14,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:14,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2134541264, now seen corresponding path program 6 times [2021-08-12 22:00:14,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:14,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150794406] [2021-08-12 22:00:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:14,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:14,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:14,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150794406] [2021-08-12 22:00:14,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150794406] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:14,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592681101] [2021-08-12 22:00:14,639 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 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 [2021-08-12 22:00:14,663 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 22:00:14,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:14,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:14,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:14,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:14,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:14,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:14,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:14,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:14,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:14,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:14,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:14,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:14,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:14,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:14,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:14,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:14,701 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:14,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:14,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:14,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592681101] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:14,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:14,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-12 22:00:14,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749566268] [2021-08-12 22:00:14,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 22:00:14,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:14,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 22:00:14,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-12 22:00:14,709 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:14,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 167 transitions, 2824 flow. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:14,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:14,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:14,810 INFO L129 PetriNetUnfolder]: 88/335 cut-off events. [2021-08-12 22:00:14,810 INFO L130 PetriNetUnfolder]: For 774/777 co-relation queries the response was YES. [2021-08-12 22:00:14,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2281 conditions, 335 events. 88/335 cut-off events. For 774/777 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2154 event pairs, 0 based on Foata normal form. 5/340 useless extension candidates. Maximal degree in co-relation 2039. Up to 210 conditions per place. [2021-08-12 22:00:14,814 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 59 selfloop transitions, 103 changer transitions 7/181 dead transitions. [2021-08-12 22:00:14,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 181 transitions, 3394 flow [2021-08-12 22:00:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 22:00:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 22:00:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 88 transitions. [2021-08-12 22:00:14,815 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2021-08-12 22:00:14,815 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 88 transitions. [2021-08-12 22:00:14,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 88 transitions. [2021-08-12 22:00:14,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:14,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 88 transitions. [2021-08-12 22:00:14,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,817 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,817 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 60 predicate places. [2021-08-12 22:00:14,817 INFO L482 AbstractCegarLoop]: Abstraction has has 76 places, 181 transitions, 3394 flow [2021-08-12 22:00:14,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:14,817 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:14,817 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:15,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-12 22:00:15,042 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:15,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1142142321, now seen corresponding path program 7 times [2021-08-12 22:00:15,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:15,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290789331] [2021-08-12 22:00:15,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:15,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:15,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:15,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290789331] [2021-08-12 22:00:15,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290789331] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:15,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128718729] [2021-08-12 22:00:15,076 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:15,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:15,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:15,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:15,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:15,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:15,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:15,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,144 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:00:15,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:15,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:15,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,158 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:15,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128718729] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:15,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:15,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-12 22:00:15,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292554594] [2021-08-12 22:00:15,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 22:00:15,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:15,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 22:00:15,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-12 22:00:15,169 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:15,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 181 transitions, 3394 flow. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:15,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:15,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:15,336 INFO L129 PetriNetUnfolder]: 94/347 cut-off events. [2021-08-12 22:00:15,337 INFO L130 PetriNetUnfolder]: For 847/865 co-relation queries the response was YES. [2021-08-12 22:00:15,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2622 conditions, 347 events. 94/347 cut-off events. For 847/865 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2221 event pairs, 0 based on Foata normal form. 9/356 useless extension candidates. Maximal degree in co-relation 2370. Up to 224 conditions per place. [2021-08-12 22:00:15,340 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 135 selfloop transitions, 54 changer transitions 11/212 dead transitions. [2021-08-12 22:00:15,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 212 transitions, 4276 flow [2021-08-12 22:00:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 22:00:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 22:00:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 136 transitions. [2021-08-12 22:00:15,341 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8242424242424242 [2021-08-12 22:00:15,341 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 136 transitions. [2021-08-12 22:00:15,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 136 transitions. [2021-08-12 22:00:15,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:15,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 136 transitions. [2021-08-12 22:00:15,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:00:15,343 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:00:15,343 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 70 predicate places. [2021-08-12 22:00:15,343 INFO L482 AbstractCegarLoop]: Abstraction has has 86 places, 212 transitions, 4276 flow [2021-08-12 22:00:15,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,343 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:15,343 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:15,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:15,563 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:15,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:15,563 INFO L82 PathProgramCache]: Analyzing trace with hash -374601837, now seen corresponding path program 8 times [2021-08-12 22:00:15,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:15,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663928021] [2021-08-12 22:00:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:15,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:15,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:15,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663928021] [2021-08-12 22:00:15,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663928021] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:15,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024984379] [2021-08-12 22:00:15,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:15,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:15,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:15,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:15,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:15,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:15,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:15,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:15,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:15,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:15,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:15,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:15,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:15,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:15,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:15,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:15,839 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:15,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:15,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024984379] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:15,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:15,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-12 22:00:15,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420929520] [2021-08-12 22:00:15,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:15,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:15,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:15,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:15,846 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:15,846 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 212 transitions, 4276 flow. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:15,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:15,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:15,974 INFO L129 PetriNetUnfolder]: 94/337 cut-off events. [2021-08-12 22:00:15,974 INFO L130 PetriNetUnfolder]: For 862/865 co-relation queries the response was YES. [2021-08-12 22:00:15,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2830 conditions, 337 events. 94/337 cut-off events. For 862/865 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2092 event pairs, 0 based on Foata normal form. 16/353 useless extension candidates. Maximal degree in co-relation 2608. Up to 221 conditions per place. [2021-08-12 22:00:15,978 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 153 selfloop transitions, 32 changer transitions 12/207 dead transitions. [2021-08-12 22:00:15,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 207 transitions, 4658 flow [2021-08-12 22:00:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:00:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:00:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 101 transitions. [2021-08-12 22:00:15,979 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2021-08-12 22:00:15,979 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 101 transitions. [2021-08-12 22:00:15,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 101 transitions. [2021-08-12 22:00:15,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:15,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 101 transitions. [2021-08-12 22:00:15,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,980 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,980 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 77 predicate places. [2021-08-12 22:00:15,980 INFO L482 AbstractCegarLoop]: Abstraction has has 93 places, 207 transitions, 4658 flow [2021-08-12 22:00:15,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:15,981 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:15,981 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:16,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:16,193 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:16,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:16,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1767934633, now seen corresponding path program 9 times [2021-08-12 22:00:16,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:16,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420014685] [2021-08-12 22:00:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:16,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:16,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:16,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:16,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420014685] [2021-08-12 22:00:16,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420014685] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:16,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295650012] [2021-08-12 22:00:16,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:16,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 22:00:16,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:16,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:16,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:16,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:16,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,319 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:00:16,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:16,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:16,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:16,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,324 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:16,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:16,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295650012] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:16,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:16,336 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-12 22:00:16,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330462103] [2021-08-12 22:00:16,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 22:00:16,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:16,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 22:00:16,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-12 22:00:16,338 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:16,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 207 transitions, 4658 flow. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:16,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:16,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:16,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:16,488 INFO L129 PetriNetUnfolder]: 99/396 cut-off events. [2021-08-12 22:00:16,488 INFO L130 PetriNetUnfolder]: For 989/1010 co-relation queries the response was YES. [2021-08-12 22:00:16,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3446 conditions, 396 events. 99/396 cut-off events. For 989/1010 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2681 event pairs, 0 based on Foata normal form. 7/403 useless extension candidates. Maximal degree in co-relation 3158. Up to 248 conditions per place. [2021-08-12 22:00:16,492 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 125 selfloop transitions, 95 changer transitions 16/246 dead transitions. [2021-08-12 22:00:16,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 246 transitions, 5912 flow [2021-08-12 22:00:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 22:00:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 22:00:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2021-08-12 22:00:16,494 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8121212121212121 [2021-08-12 22:00:16,494 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 134 transitions. [2021-08-12 22:00:16,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 134 transitions. [2021-08-12 22:00:16,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:16,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 134 transitions. [2021-08-12 22:00:16,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:16,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:00:16,495 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:00:16,495 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 87 predicate places. [2021-08-12 22:00:16,495 INFO L482 AbstractCegarLoop]: Abstraction has has 103 places, 246 transitions, 5912 flow [2021-08-12 22:00:16,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:16,496 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:16,496 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:16,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-12 22:00:16,709 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:16,709 INFO L82 PathProgramCache]: Analyzing trace with hash 865417555, now seen corresponding path program 10 times [2021-08-12 22:00:16,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:16,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376307763] [2021-08-12 22:00:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:16,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:16,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:16,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:16,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376307763] [2021-08-12 22:00:16,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376307763] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:16,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110567737] [2021-08-12 22:00:16,759 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:16,794 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:00:16,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:16,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:16,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:16,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:16,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:16,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:16,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,825 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:16,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:16,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:16,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:16,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:16,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:16,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:16,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:16,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:16,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:16,852 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:16,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:16,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:16,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110567737] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:16,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:16,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-12 22:00:16,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242538525] [2021-08-12 22:00:16,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:16,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:16,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:16,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:16,863 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:16,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 246 transitions, 5912 flow. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:16,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:16,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:16,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:17,015 INFO L129 PetriNetUnfolder]: 97/381 cut-off events. [2021-08-12 22:00:17,015 INFO L130 PetriNetUnfolder]: For 982/1000 co-relation queries the response was YES. [2021-08-12 22:00:17,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3595 conditions, 381 events. 97/381 cut-off events. For 982/1000 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2535 event pairs, 0 based on Foata normal form. 5/386 useless extension candidates. Maximal degree in co-relation 3321. Up to 242 conditions per place. [2021-08-12 22:00:17,019 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 120 selfloop transitions, 91 changer transitions 19/240 dead transitions. [2021-08-12 22:00:17,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 240 transitions, 6220 flow [2021-08-12 22:00:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 22:00:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-12 22:00:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 144 transitions. [2021-08-12 22:00:17,021 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-08-12 22:00:17,021 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 144 transitions. [2021-08-12 22:00:17,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 144 transitions. [2021-08-12 22:00:17,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:17,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 144 transitions. [2021-08-12 22:00:17,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,022 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,022 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 98 predicate places. [2021-08-12 22:00:17,023 INFO L482 AbstractCegarLoop]: Abstraction has has 114 places, 240 transitions, 6220 flow [2021-08-12 22:00:17,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,023 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:17,023 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:17,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-12 22:00:17,245 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:17,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:17,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1704316853, now seen corresponding path program 11 times [2021-08-12 22:00:17,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:17,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581668693] [2021-08-12 22:00:17,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:17,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:17,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:17,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581668693] [2021-08-12 22:00:17,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581668693] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:17,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221011509] [2021-08-12 22:00:17,282 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 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 [2021-08-12 22:00:17,313 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 22:00:17,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:17,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:17,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:17,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,368 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:17,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:17,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221011509] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:17,375 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:17,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-12 22:00:17,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692980288] [2021-08-12 22:00:17,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 22:00:17,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:17,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 22:00:17,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-12 22:00:17,376 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:17,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 240 transitions, 6220 flow. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:17,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:17,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:17,465 INFO L129 PetriNetUnfolder]: 95/375 cut-off events. [2021-08-12 22:00:17,465 INFO L130 PetriNetUnfolder]: For 1044/1062 co-relation queries the response was YES. [2021-08-12 22:00:17,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3792 conditions, 375 events. 95/375 cut-off events. For 1044/1062 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2483 event pairs, 0 based on Foata normal form. 4/379 useless extension candidates. Maximal degree in co-relation 3524. Up to 238 conditions per place. [2021-08-12 22:00:17,469 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 163 selfloop transitions, 45 changer transitions 19/236 dead transitions. [2021-08-12 22:00:17,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 236 transitions, 6606 flow [2021-08-12 22:00:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-12 22:00:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-12 22:00:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 75 transitions. [2021-08-12 22:00:17,470 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-08-12 22:00:17,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 75 transitions. [2021-08-12 22:00:17,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 75 transitions. [2021-08-12 22:00:17,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:17,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 75 transitions. [2021-08-12 22:00:17,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 12.5) internal successors, (75), 6 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) [2021-08-12 22:00:17,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,471 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,471 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 103 predicate places. [2021-08-12 22:00:17,471 INFO L482 AbstractCegarLoop]: Abstraction has has 119 places, 236 transitions, 6606 flow [2021-08-12 22:00:17,471 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,471 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:17,471 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:17,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-12 22:00:17,689 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:17,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:17,689 INFO L82 PathProgramCache]: Analyzing trace with hash 972604306, now seen corresponding path program 12 times [2021-08-12 22:00:17,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:17,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096465942] [2021-08-12 22:00:17,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:17,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:17,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:17,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:17,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096465942] [2021-08-12 22:00:17,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096465942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:17,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804639439] [2021-08-12 22:00:17,725 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:17,762 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-12 22:00:17,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:17,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:17,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:17,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:17,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:17,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:17,830 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:00:17,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:17,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:17,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:17,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:17,836 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:17,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:17,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:17,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804639439] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:17,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:17,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-12 22:00:17,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536331837] [2021-08-12 22:00:17,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 22:00:17,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:17,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 22:00:17,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-12 22:00:17,847 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:17,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 236 transitions, 6606 flow. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:17,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:17,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:17,984 INFO L129 PetriNetUnfolder]: 93/373 cut-off events. [2021-08-12 22:00:17,985 INFO L130 PetriNetUnfolder]: For 1227/1259 co-relation queries the response was YES. [2021-08-12 22:00:17,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3984 conditions, 373 events. 93/373 cut-off events. For 1227/1259 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2478 event pairs, 0 based on Foata normal form. 11/384 useless extension candidates. Maximal degree in co-relation 3722. Up to 235 conditions per place. [2021-08-12 22:00:17,989 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 116 selfloop transitions, 88 changer transitions 20/233 dead transitions. [2021-08-12 22:00:17,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 233 transitions, 6958 flow [2021-08-12 22:00:17,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 22:00:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 22:00:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 133 transitions. [2021-08-12 22:00:17,992 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.806060606060606 [2021-08-12 22:00:17,992 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 133 transitions. [2021-08-12 22:00:17,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 133 transitions. [2021-08-12 22:00:17,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:17,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 133 transitions. [2021-08-12 22:00:17,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.090909090909092) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:00:17,996 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:00:17,996 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 113 predicate places. [2021-08-12 22:00:17,996 INFO L482 AbstractCegarLoop]: Abstraction has has 129 places, 233 transitions, 6958 flow [2021-08-12 22:00:17,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:17,996 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:17,997 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:18,221 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:18,221 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:18,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash 275877040, now seen corresponding path program 13 times [2021-08-12 22:00:18,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:18,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62128676] [2021-08-12 22:00:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:18,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:18,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62128676] [2021-08-12 22:00:18,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62128676] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:18,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737711982] [2021-08-12 22:00:18,267 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:18,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:18,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:18,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:18,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:18,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:18,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:18,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:18,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:18,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:18,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:18,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,354 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:18,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:18,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737711982] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:18,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:18,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-12 22:00:18,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889477102] [2021-08-12 22:00:18,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:00:18,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:18,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:00:18,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:00:18,367 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:18,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 233 transitions, 6958 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:18,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:18,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:18,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:18,602 INFO L129 PetriNetUnfolder]: 132/469 cut-off events. [2021-08-12 22:00:18,602 INFO L130 PetriNetUnfolder]: For 1246/1246 co-relation queries the response was YES. [2021-08-12 22:00:18,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5800 conditions, 469 events. 132/469 cut-off events. For 1246/1246 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3207 event pairs, 0 based on Foata normal form. 25/494 useless extension candidates. Maximal degree in co-relation 5520. Up to 327 conditions per place. [2021-08-12 22:00:18,608 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 203 selfloop transitions, 93 changer transitions 20/325 dead transitions. [2021-08-12 22:00:18,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 325 transitions, 10534 flow [2021-08-12 22:00:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 22:00:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-12 22:00:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 174 transitions. [2021-08-12 22:00:18,610 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2021-08-12 22:00:18,610 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 174 transitions. [2021-08-12 22:00:18,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 174 transitions. [2021-08-12 22:00:18,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:18,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 174 transitions. [2021-08-12 22:00:18,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.428571428571429) internal successors, (174), 14 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) [2021-08-12 22:00:18,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 15.0) internal successors, (225), 15 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:18,611 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 15.0) internal successors, (225), 15 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:18,611 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 126 predicate places. [2021-08-12 22:00:18,611 INFO L482 AbstractCegarLoop]: Abstraction has has 142 places, 325 transitions, 10534 flow [2021-08-12 22:00:18,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:18,612 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:18,612 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:18,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-12 22:00:18,829 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:18,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:18,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1402289167, now seen corresponding path program 14 times [2021-08-12 22:00:18,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:18,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480579096] [2021-08-12 22:00:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:18,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:18,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:18,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480579096] [2021-08-12 22:00:18,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480579096] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:18,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728367236] [2021-08-12 22:00:18,876 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 [2021-08-12 22:00:18,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:18,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:18,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:18,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:18,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:18,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:18,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:18,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:18,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:18,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:18,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:18,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:18,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:18,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:18,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:18,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:18,985 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:18,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728367236] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:18,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:18,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-12 22:00:18,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728250086] [2021-08-12 22:00:18,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:00:18,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:18,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:00:18,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:00:18,993 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:18,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 325 transitions, 10534 flow. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:18,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:18,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:18,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:19,215 INFO L129 PetriNetUnfolder]: 158/581 cut-off events. [2021-08-12 22:00:19,215 INFO L130 PetriNetUnfolder]: For 1601/1628 co-relation queries the response was YES. [2021-08-12 22:00:19,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7449 conditions, 581 events. 158/581 cut-off events. For 1601/1628 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4317 event pairs, 0 based on Foata normal form. 5/586 useless extension candidates. Maximal degree in co-relation 7117. Up to 398 conditions per place. [2021-08-12 22:00:19,222 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 251 selfloop transitions, 98 changer transitions 38/396 dead transitions. [2021-08-12 22:00:19,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 396 transitions, 13616 flow [2021-08-12 22:00:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 150 transitions. [2021-08-12 22:00:19,223 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2021-08-12 22:00:19,224 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 150 transitions. [2021-08-12 22:00:19,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 150 transitions. [2021-08-12 22:00:19,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:19,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 150 transitions. [2021-08-12 22:00:19,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 13 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:19,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:19,225 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:19,225 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 138 predicate places. [2021-08-12 22:00:19,225 INFO L482 AbstractCegarLoop]: Abstraction has has 154 places, 396 transitions, 13616 flow [2021-08-12 22:00:19,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:19,225 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:19,225 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:19,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-12 22:00:19,453 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:19,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:19,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1091625526, now seen corresponding path program 15 times [2021-08-12 22:00:19,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:19,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250795176] [2021-08-12 22:00:19,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:19,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:19,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:19,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250795176] [2021-08-12 22:00:19,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250795176] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:19,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701790801] [2021-08-12 22:00:19,498 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 [2021-08-12 22:00:19,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 22:00:19,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:19,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:19,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:19,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:19,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:19,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:19,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:19,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:19,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:19,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:19,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:19,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:19,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:19,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:19,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:19,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:19,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:19,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:19,582 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:19,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:19,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701790801] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:19,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:19,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-12 22:00:19,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354673002] [2021-08-12 22:00:19,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:00:19,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:19,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:00:19,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:00:19,591 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:19,591 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 396 transitions, 13616 flow. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 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) [2021-08-12 22:00:19,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:19,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:19,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:19,839 INFO L129 PetriNetUnfolder]: 172/632 cut-off events. [2021-08-12 22:00:19,839 INFO L130 PetriNetUnfolder]: For 1960/1989 co-relation queries the response was YES. [2021-08-12 22:00:19,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8640 conditions, 632 events. 172/632 cut-off events. For 1960/1989 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4782 event pairs, 0 based on Foata normal form. 14/646 useless extension candidates. Maximal degree in co-relation 8282. Up to 438 conditions per place. [2021-08-12 22:00:19,847 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 272 selfloop transitions, 120 changer transitions 38/439 dead transitions. [2021-08-12 22:00:19,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 439 transitions, 16006 flow [2021-08-12 22:00:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 22:00:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 22:00:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 124 transitions. [2021-08-12 22:00:19,849 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8266666666666667 [2021-08-12 22:00:19,849 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 124 transitions. [2021-08-12 22:00:19,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 124 transitions. [2021-08-12 22:00:19,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:19,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 124 transitions. [2021-08-12 22:00:19,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.4) internal successors, (124), 10 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) [2021-08-12 22:00:19,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:19,850 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:19,850 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 147 predicate places. [2021-08-12 22:00:19,850 INFO L482 AbstractCegarLoop]: Abstraction has has 163 places, 439 transitions, 16006 flow [2021-08-12 22:00:19,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 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) [2021-08-12 22:00:19,850 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:19,850 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:20,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:20,065 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:20,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:20,065 INFO L82 PathProgramCache]: Analyzing trace with hash -307340175, now seen corresponding path program 16 times [2021-08-12 22:00:20,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:20,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147134941] [2021-08-12 22:00:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:20,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:20,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:20,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147134941] [2021-08-12 22:00:20,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147134941] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:20,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476478154] [2021-08-12 22:00:20,110 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 [2021-08-12 22:00:20,148 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:00:20,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:20,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:20,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:20,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:20,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:20,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:20,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:20,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:00:20,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:20,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:20,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,188 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:20,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476478154] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:20,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:20,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-12 22:00:20,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549031847] [2021-08-12 22:00:20,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:20,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:20,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:20,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:20,197 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:20,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 439 transitions, 16006 flow. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:20,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:20,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:20,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:20,432 INFO L129 PetriNetUnfolder]: 178/677 cut-off events. [2021-08-12 22:00:20,433 INFO L130 PetriNetUnfolder]: For 1977/2007 co-relation queries the response was YES. [2021-08-12 22:00:20,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9564 conditions, 677 events. 178/677 cut-off events. For 1977/2007 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5287 event pairs, 0 based on Foata normal form. 7/684 useless extension candidates. Maximal degree in co-relation 9162. Up to 461 conditions per place. [2021-08-12 22:00:20,442 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 259 selfloop transitions, 161 changer transitions 44/473 dead transitions. [2021-08-12 22:00:20,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 473 transitions, 18094 flow [2021-08-12 22:00:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 22:00:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-12 22:00:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 144 transitions. [2021-08-12 22:00:20,443 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-08-12 22:00:20,444 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 144 transitions. [2021-08-12 22:00:20,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 144 transitions. [2021-08-12 22:00:20,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:20,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 144 transitions. [2021-08-12 22:00:20,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:20,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:20,445 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:20,445 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 158 predicate places. [2021-08-12 22:00:20,445 INFO L482 AbstractCegarLoop]: Abstraction has has 174 places, 473 transitions, 18094 flow [2021-08-12 22:00:20,445 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:20,445 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:20,445 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:20,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:20,646 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:20,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:20,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1403273133, now seen corresponding path program 17 times [2021-08-12 22:00:20,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:20,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214907809] [2021-08-12 22:00:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:20,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:20,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:20,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214907809] [2021-08-12 22:00:20,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214907809] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:20,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355390304] [2021-08-12 22:00:20,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:20,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:20,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:20,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:20,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:20,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:20,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:20,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:20,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:20,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:20,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,789 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:20,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:20,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:20,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:20,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:20,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:20,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:20,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:20,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:20,800 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:20,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:20,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:20,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355390304] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:20,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:20,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-08-12 22:00:20,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328721330] [2021-08-12 22:00:20,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:00:20,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:20,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:00:20,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:00:20,810 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:20,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 473 transitions, 18094 flow. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 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) [2021-08-12 22:00:20,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:20,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:20,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:21,140 INFO L129 PetriNetUnfolder]: 178/672 cut-off events. [2021-08-12 22:00:21,140 INFO L130 PetriNetUnfolder]: For 2223/2255 co-relation queries the response was YES. [2021-08-12 22:00:21,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10014 conditions, 672 events. 178/672 cut-off events. For 2223/2255 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5224 event pairs, 0 based on Foata normal form. 11/683 useless extension candidates. Maximal degree in co-relation 9618. Up to 461 conditions per place. [2021-08-12 22:00:21,147 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 255 selfloop transitions, 161 changer transitions 48/473 dead transitions. [2021-08-12 22:00:21,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 473 transitions, 19014 flow [2021-08-12 22:00:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 155 transitions. [2021-08-12 22:00:21,149 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7948717948717948 [2021-08-12 22:00:21,149 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 155 transitions. [2021-08-12 22:00:21,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 155 transitions. [2021-08-12 22:00:21,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:21,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 155 transitions. [2021-08-12 22:00:21,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,150 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,150 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 170 predicate places. [2021-08-12 22:00:21,150 INFO L482 AbstractCegarLoop]: Abstraction has has 186 places, 473 transitions, 19014 flow [2021-08-12 22:00:21,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 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) [2021-08-12 22:00:21,150 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:21,151 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:21,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:21,373 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:21,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:21,373 INFO L82 PathProgramCache]: Analyzing trace with hash -2025089235, now seen corresponding path program 18 times [2021-08-12 22:00:21,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:21,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570651485] [2021-08-12 22:00:21,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:21,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:21,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:21,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:21,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:21,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:21,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570651485] [2021-08-12 22:00:21,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570651485] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:21,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132364801] [2021-08-12 22:00:21,408 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 [2021-08-12 22:00:21,436 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 22:00:21,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:21,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:21,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:21,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:21,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:21,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:21,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:21,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:21,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:21,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:21,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:21,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:21,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:21,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:21,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:21,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:21,474 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:21,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:21,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:21,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132364801] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:21,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:21,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-12 22:00:21,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055503141] [2021-08-12 22:00:21,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:21,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:21,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:21,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:21,483 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:21,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 473 transitions, 19014 flow. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:21,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:21,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:21,709 INFO L129 PetriNetUnfolder]: 181/689 cut-off events. [2021-08-12 22:00:21,710 INFO L130 PetriNetUnfolder]: For 2138/2165 co-relation queries the response was YES. [2021-08-12 22:00:21,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10701 conditions, 689 events. 181/689 cut-off events. For 2138/2165 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5402 event pairs, 0 based on Foata normal form. 4/693 useless extension candidates. Maximal degree in co-relation 10295. Up to 470 conditions per place. [2021-08-12 22:00:21,716 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 314 selfloop transitions, 112 changer transitions 48/483 dead transitions. [2021-08-12 22:00:21,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 483 transitions, 20386 flow [2021-08-12 22:00:21,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:00:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:00:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 100 transitions. [2021-08-12 22:00:21,717 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-08-12 22:00:21,717 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 100 transitions. [2021-08-12 22:00:21,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 100 transitions. [2021-08-12 22:00:21,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:21,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 100 transitions. [2021-08-12 22:00:21,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 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) [2021-08-12 22:00:21,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,718 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,719 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 177 predicate places. [2021-08-12 22:00:21,719 INFO L482 AbstractCegarLoop]: Abstraction has has 193 places, 483 transitions, 20386 flow [2021-08-12 22:00:21,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:21,719 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:21,719 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:21,943 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-08-12 22:00:21,943 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:21,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:21,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1108032882, now seen corresponding path program 19 times [2021-08-12 22:00:21,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:21,944 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185728398] [2021-08-12 22:00:21,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:21,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:22,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:22,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185728398] [2021-08-12 22:00:22,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185728398] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:22,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723279334] [2021-08-12 22:00:22,052 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 [2021-08-12 22:00:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:22,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-12 22:00:22,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:22,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:22,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:22,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:22,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:22,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:22,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:22,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,130 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:00:22,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:22,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:22,135 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:22,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723279334] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:22,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:22,143 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-12 22:00:22,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097372566] [2021-08-12 22:00:22,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:00:22,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:22,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:00:22,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:00:22,145 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:22,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 483 transitions, 20386 flow. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:22,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:22,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:22,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:22,412 INFO L129 PetriNetUnfolder]: 180/678 cut-off events. [2021-08-12 22:00:22,412 INFO L130 PetriNetUnfolder]: For 2304/2307 co-relation queries the response was YES. [2021-08-12 22:00:22,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11048 conditions, 678 events. 180/678 cut-off events. For 2304/2307 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5275 event pairs, 0 based on Foata normal form. 6/684 useless extension candidates. Maximal degree in co-relation 10656. Up to 465 conditions per place. [2021-08-12 22:00:22,418 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 238 selfloop transitions, 181 changer transitions 50/477 dead transitions. [2021-08-12 22:00:22,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 477 transitions, 21100 flow [2021-08-12 22:00:22,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 153 transitions. [2021-08-12 22:00:22,420 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7846153846153846 [2021-08-12 22:00:22,420 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 153 transitions. [2021-08-12 22:00:22,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 153 transitions. [2021-08-12 22:00:22,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:22,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 153 transitions. [2021-08-12 22:00:22,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 13 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:22,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:22,421 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:22,421 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 189 predicate places. [2021-08-12 22:00:22,421 INFO L482 AbstractCegarLoop]: Abstraction has has 205 places, 477 transitions, 21100 flow [2021-08-12 22:00:22,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:22,421 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:22,421 INFO L266 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:22,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-12 22:00:22,637 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:22,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:22,637 INFO L82 PathProgramCache]: Analyzing trace with hash 234413862, now seen corresponding path program 20 times [2021-08-12 22:00:22,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:22,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667781368] [2021-08-12 22:00:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:22,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:22,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:22,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-12 22:00:22,673 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:22,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667781368] [2021-08-12 22:00:22,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667781368] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:22,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392040553] [2021-08-12 22:00:22,673 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 [2021-08-12 22:00:22,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:22,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:22,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-12 22:00:22,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:22,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:22,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:22,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,779 INFO L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-08-12 22:00:22,779 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-12 22:00:22,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:22,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:22,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 22:00:22,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:22,825 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-08-12 22:00:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:22,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:22,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:22,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:22,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:22,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392040553] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:22,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:22,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-08-12 22:00:22,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234411549] [2021-08-12 22:00:22,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-12 22:00:22,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:22,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-12 22:00:22,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-08-12 22:00:22,844 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:22,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 477 transitions, 21100 flow. Second operand has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 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) [2021-08-12 22:00:22,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:22,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:22,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:23,290 INFO L129 PetriNetUnfolder]: 262/859 cut-off events. [2021-08-12 22:00:23,290 INFO L130 PetriNetUnfolder]: For 2684/2714 co-relation queries the response was YES. [2021-08-12 22:00:23,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15906 conditions, 859 events. 262/859 cut-off events. For 2684/2714 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6623 event pairs, 0 based on Foata normal form. 33/892 useless extension candidates. Maximal degree in co-relation 15510. Up to 647 conditions per place. [2021-08-12 22:00:23,298 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 372 selfloop transitions, 224 changer transitions 55/659 dead transitions. [2021-08-12 22:00:23,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 659 transitions, 30818 flow [2021-08-12 22:00:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-12 22:00:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-08-12 22:00:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 169 transitions. [2021-08-12 22:00:23,299 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8047619047619048 [2021-08-12 22:00:23,300 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 169 transitions. [2021-08-12 22:00:23,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 169 transitions. [2021-08-12 22:00:23,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:23,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 169 transitions. [2021-08-12 22:00:23,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 14 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:23,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 15.0) internal successors, (225), 15 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:23,302 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 15.0) internal successors, (225), 15 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:23,302 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 202 predicate places. [2021-08-12 22:00:23,303 INFO L482 AbstractCegarLoop]: Abstraction has has 218 places, 659 transitions, 30818 flow [2021-08-12 22:00:23,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 12 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) [2021-08-12 22:00:23,303 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:23,303 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:23,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:23,520 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:23,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:23,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1854984966, now seen corresponding path program 21 times [2021-08-12 22:00:23,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:23,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84916280] [2021-08-12 22:00:23,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:23,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:23,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:23,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:23,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-12 22:00:23,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:23,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84916280] [2021-08-12 22:00:23,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84916280] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:23,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078288857] [2021-08-12 22:00:23,560 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 [2021-08-12 22:00:23,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 22:00:23,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:23,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-12 22:00:23,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:23,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:23,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:23,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:23,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:23,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:23,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:23,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:23,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:23,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:23,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:23,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:23,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:23,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:23,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:23,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:23,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:23,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:23,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:23,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:23,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:23,706 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,706 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-08-12 22:00:23,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,714 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-08-12 22:00:23,732 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,737 INFO L142 QuantifierPusher]: treesize reduction 8, result has 89.5 percent of original size [2021-08-12 22:00:23,741 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:23,744 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,746 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.7 percent of original size [2021-08-12 22:00:23,748 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:23,749 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,753 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-08-12 22:00:23,765 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:23,768 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:23,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 22:00:23,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-08-12 22:00:23,777 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:23,778 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,780 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-08-12 22:00:23,783 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:23,785 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 22:00:23,789 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-08-12 22:00:23,794 INFO L147 QuantifierPusher]: treesize reduction 19, result has 81.2 percent of original size 82 [2021-08-12 22:00:23,797 INFO L147 QuantifierPusher]: treesize reduction 19, result has 81.2 percent of original size 82 [2021-08-12 22:00:23,801 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:23,802 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,807 INFO L142 QuantifierPusher]: treesize reduction 19, result has 84.0 percent of original size [2021-08-12 22:00:23,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,808 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-08-12 22:00:23,812 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,813 INFO L142 QuantifierPusher]: treesize reduction 8, result has 85.5 percent of original size [2021-08-12 22:00:23,819 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:23,820 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,825 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-08-12 22:00:23,826 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:23,828 INFO L142 QuantifierPusher]: treesize reduction 39, result has 45.8 percent of original size [2021-08-12 22:00:23,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:23,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:23,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-08-12 22:00:23,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:23,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:23,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:23,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078288857] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:23,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:23,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-08-12 22:00:23,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461018594] [2021-08-12 22:00:23,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 22:00:23,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:23,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 22:00:23,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-08-12 22:00:23,844 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:23,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 659 transitions, 30818 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:23,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:23,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:23,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:24,350 INFO L129 PetriNetUnfolder]: 353/1236 cut-off events. [2021-08-12 22:00:24,350 INFO L130 PetriNetUnfolder]: For 4390/4390 co-relation queries the response was YES. [2021-08-12 22:00:24,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22458 conditions, 1236 events. 353/1236 cut-off events. For 4390/4390 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 10645 event pairs, 0 based on Foata normal form. 7/1243 useless extension candidates. Maximal degree in co-relation 21737. Up to 887 conditions per place. [2021-08-12 22:00:24,363 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 364 selfloop transitions, 196 changer transitions 55/799 dead transitions. [2021-08-12 22:00:24,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 799 transitions, 38800 flow [2021-08-12 22:00:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:24,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 161 transitions. [2021-08-12 22:00:24,365 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8256410256410256 [2021-08-12 22:00:24,366 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 161 transitions. [2021-08-12 22:00:24,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 161 transitions. [2021-08-12 22:00:24,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:24,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 161 transitions. [2021-08-12 22:00:24,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:24,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:24,368 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:24,368 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 214 predicate places. [2021-08-12 22:00:24,368 INFO L482 AbstractCegarLoop]: Abstraction has has 230 places, 799 transitions, 38800 flow [2021-08-12 22:00:24,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:24,368 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:24,368 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:24,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-12 22:00:24,585 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:24,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1358214992, now seen corresponding path program 22 times [2021-08-12 22:00:24,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:24,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442361002] [2021-08-12 22:00:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:24,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:24,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:24,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:24,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442361002] [2021-08-12 22:00:24,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442361002] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:24,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858343390] [2021-08-12 22:00:24,640 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:24,691 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:00:24,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:24,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-12 22:00:24,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:24,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:24,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:24,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:24,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:24,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:24,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:24,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:24,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:24,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:24,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:24,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:24,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:24,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:24,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:24,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:24,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:24,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:24,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:24,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:24,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:24,810 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,810 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-08-12 22:00:24,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,816 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-08-12 22:00:24,817 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-08-12 22:00:24,820 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:24,820 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,822 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size [2021-08-12 22:00:24,822 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:24,824 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,826 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:24,826 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,830 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-08-12 22:00:24,830 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:24,831 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,833 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.7 percent of original size [2021-08-12 22:00:24,833 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:24,834 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,835 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:24,836 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,838 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:24,839 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 22:00:24,843 INFO L147 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size 17 [2021-08-12 22:00:24,844 INFO L147 QuantifierPusher]: treesize reduction 23, result has 62.3 percent of original size 38 [2021-08-12 22:00:24,847 INFO L147 QuantifierPusher]: treesize reduction 30, result has 67.4 percent of original size 62 [2021-08-12 22:00:24,850 INFO L147 QuantifierPusher]: treesize reduction 30, result has 67.4 percent of original size 62 [2021-08-12 22:00:24,851 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:24,852 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,857 INFO L142 QuantifierPusher]: treesize reduction 98, result has 50.0 percent of original size [2021-08-12 22:00:24,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,860 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:24,860 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:24,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:24,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:24,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-08-12 22:00:24,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:24,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:24,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:24,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858343390] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:24,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:24,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-08-12 22:00:24,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725577936] [2021-08-12 22:00:24,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 22:00:24,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:24,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 22:00:24,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-08-12 22:00:24,878 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:24,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 799 transitions, 38800 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:24,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:24,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:24,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:25,605 INFO L129 PetriNetUnfolder]: 442/1631 cut-off events. [2021-08-12 22:00:25,605 INFO L130 PetriNetUnfolder]: For 7670/7672 co-relation queries the response was YES. [2021-08-12 22:00:25,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29203 conditions, 1631 events. 442/1631 cut-off events. For 7670/7672 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 15461 event pairs, 0 based on Foata normal form. 13/1644 useless extension candidates. Maximal degree in co-relation 28075. Up to 1122 conditions per place. [2021-08-12 22:00:25,619 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 463 selfloop transitions, 226 changer transitions 55/928 dead transitions. [2021-08-12 22:00:25,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 928 transitions, 46628 flow [2021-08-12 22:00:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 161 transitions. [2021-08-12 22:00:25,621 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8256410256410256 [2021-08-12 22:00:25,621 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 161 transitions. [2021-08-12 22:00:25,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 161 transitions. [2021-08-12 22:00:25,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:25,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 161 transitions. [2021-08-12 22:00:25,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:25,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:25,622 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:25,622 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 226 predicate places. [2021-08-12 22:00:25,622 INFO L482 AbstractCegarLoop]: Abstraction has has 242 places, 928 transitions, 46628 flow [2021-08-12 22:00:25,622 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:25,622 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:25,622 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:25,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:25,846 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:25,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1328669264, now seen corresponding path program 23 times [2021-08-12 22:00:25,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:25,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179142938] [2021-08-12 22:00:25,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:25,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:25,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:25,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:25,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:25,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:25,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:25,899 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:25,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179142938] [2021-08-12 22:00:25,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179142938] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:25,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736314406] [2021-08-12 22:00:25,900 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:25,941 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-12 22:00:25,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:25,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-12 22:00:25,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:25,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:25,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:25,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:25,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:25,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:25,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:26,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:26,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:26,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:26,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:26,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:26,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:26,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:26,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:26,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:26,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:26,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:26,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:26,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:26,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:26,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:26,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:26,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:26,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:26,101 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,101 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-08-12 22:00:26,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,109 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-08-12 22:00:26,110 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,114 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-08-12 22:00:26,114 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:26,119 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,120 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:26,127 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,128 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-08-12 22:00:26,129 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:26,130 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:26,133 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:26,136 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,137 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-08-12 22:00:26,137 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:26,138 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:26,141 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-08-12 22:00:26,144 INFO L147 QuantifierPusher]: treesize reduction 14, result has 80.8 percent of original size 59 [2021-08-12 22:00:26,145 INFO L147 QuantifierPusher]: treesize reduction 14, result has 80.8 percent of original size 59 [2021-08-12 22:00:26,145 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:26,146 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,148 INFO L142 QuantifierPusher]: treesize reduction 30, result has 67.0 percent of original size [2021-08-12 22:00:26,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,150 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:26,151 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,152 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.3 percent of original size [2021-08-12 22:00:26,152 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:26,153 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,154 INFO L142 QuantifierPusher]: treesize reduction 12, result has 76.9 percent of original size [2021-08-12 22:00:26,155 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:26,156 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,158 INFO L147 QuantifierPusher]: treesize reduction 10, result has 28.6 percent of original size 4 [2021-08-12 22:00:26,159 INFO L147 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size 23 [2021-08-12 22:00:26,161 INFO L147 QuantifierPusher]: treesize reduction 37, result has 17.8 percent of original size 8 [2021-08-12 22:00:26,162 INFO L147 QuantifierPusher]: treesize reduction 37, result has 17.8 percent of original size 8 [2021-08-12 22:00:26,162 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:26,163 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:26,164 INFO L142 QuantifierPusher]: treesize reduction 83, result has 18.6 percent of original size [2021-08-12 22:00:26,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:26,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:26,169 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-08-12 22:00:26,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:26,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:26,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:26,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736314406] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:26,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:26,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-08-12 22:00:26,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288433503] [2021-08-12 22:00:26,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 22:00:26,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:26,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 22:00:26,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-08-12 22:00:26,182 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:26,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 928 transitions, 46628 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:26,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:26,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:26,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:27,081 INFO L129 PetriNetUnfolder]: 509/1908 cut-off events. [2021-08-12 22:00:27,081 INFO L130 PetriNetUnfolder]: For 10776/10776 co-relation queries the response was YES. [2021-08-12 22:00:27,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34499 conditions, 1908 events. 509/1908 cut-off events. For 10776/10776 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 18812 event pairs, 0 based on Foata normal form. 3/1911 useless extension candidates. Maximal degree in co-relation 33026. Up to 1290 conditions per place. [2021-08-12 22:00:27,099 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 624 selfloop transitions, 166 changer transitions 55/1029 dead transitions. [2021-08-12 22:00:27,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 1029 transitions, 53404 flow [2021-08-12 22:00:27,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 161 transitions. [2021-08-12 22:00:27,100 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8256410256410256 [2021-08-12 22:00:27,100 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 161 transitions. [2021-08-12 22:00:27,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 161 transitions. [2021-08-12 22:00:27,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:27,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 161 transitions. [2021-08-12 22:00:27,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:27,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:27,101 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:27,102 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 238 predicate places. [2021-08-12 22:00:27,102 INFO L482 AbstractCegarLoop]: Abstraction has has 254 places, 1029 transitions, 53404 flow [2021-08-12 22:00:27,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:27,102 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:27,102 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:27,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-08-12 22:00:27,317 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:27,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1833729424, now seen corresponding path program 24 times [2021-08-12 22:00:27,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:27,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307447708] [2021-08-12 22:00:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:27,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:27,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:27,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:27,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:27,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:27,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307447708] [2021-08-12 22:00:27,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307447708] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:27,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065185476] [2021-08-12 22:00:27,348 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 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 [2021-08-12 22:00:27,372 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-08-12 22:00:27,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:27,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-12 22:00:27,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:27,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:27,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:27,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:27,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:27,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:27,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:27,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:27,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:27,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:27,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:27,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:27,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:27,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:27,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:27,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:27,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:27,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:27,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:27,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:27,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:27,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:27,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:27,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:27,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:27,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:27,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,501 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-08-12 22:00:27,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,504 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-08-12 22:00:27,505 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,507 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.8 percent of original size [2021-08-12 22:00:27,507 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:27,508 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,509 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.7 percent of original size [2021-08-12 22:00:27,509 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:27,510 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,511 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:27,512 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,513 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-08-12 22:00:27,513 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:27,515 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 22:00:27,518 INFO L147 QuantifierPusher]: treesize reduction 18, result has 40.0 percent of original size 12 [2021-08-12 22:00:27,519 INFO L147 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size 25 [2021-08-12 22:00:27,520 INFO L147 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size 25 [2021-08-12 22:00:27,521 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:27,521 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,524 INFO L142 QuantifierPusher]: treesize reduction 72, result has 44.6 percent of original size [2021-08-12 22:00:27,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,526 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-08-12 22:00:27,527 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:27,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:27,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:27,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-08-12 22:00:27,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:27,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:27,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:27,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065185476] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:27,550 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:27,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-08-12 22:00:27,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111402047] [2021-08-12 22:00:27,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 22:00:27,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:27,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 22:00:27,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-08-12 22:00:27,551 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:27,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 1029 transitions, 53404 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:27,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:27,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:27,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:28,656 INFO L129 PetriNetUnfolder]: 566/2147 cut-off events. [2021-08-12 22:00:28,656 INFO L130 PetriNetUnfolder]: For 15566/15568 co-relation queries the response was YES. [2021-08-12 22:00:28,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39358 conditions, 2147 events. 566/2147 cut-off events. For 15566/15568 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 21797 event pairs, 0 based on Foata normal form. 4/2151 useless extension candidates. Maximal degree in co-relation 37526. Up to 1433 conditions per place. [2021-08-12 22:00:28,680 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 747 selfloop transitions, 131 changer transitions 55/1117 dead transitions. [2021-08-12 22:00:28,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 1117 transitions, 59830 flow [2021-08-12 22:00:28,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 161 transitions. [2021-08-12 22:00:28,684 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8256410256410256 [2021-08-12 22:00:28,684 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 161 transitions. [2021-08-12 22:00:28,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 161 transitions. [2021-08-12 22:00:28,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:28,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 161 transitions. [2021-08-12 22:00:28,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:28,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:28,686 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:28,687 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 250 predicate places. [2021-08-12 22:00:28,687 INFO L482 AbstractCegarLoop]: Abstraction has has 266 places, 1117 transitions, 59830 flow [2021-08-12 22:00:28,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:28,687 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:28,687 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:28,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-08-12 22:00:28,911 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:28,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:28,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1584986864, now seen corresponding path program 25 times [2021-08-12 22:00:28,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:28,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391986801] [2021-08-12 22:00:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:28,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:28,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:28,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:28,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:28,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:28,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:28,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391986801] [2021-08-12 22:00:28,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391986801] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:28,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312239143] [2021-08-12 22:00:28,949 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 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 [2021-08-12 22:00:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:28,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-12 22:00:28,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:28,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:28,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:28,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:28,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:28,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:28,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:28,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:29,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:29,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:29,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:29,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:00:29,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:29,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:29,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-12 22:00:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 22:00:29,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:29,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 22:00:29,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:29,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:29,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:29,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 22:00:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 22:00:29,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,083 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-08-12 22:00:29,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,085 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-08-12 22:00:29,086 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,087 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.8 percent of original size [2021-08-12 22:00:29,088 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:29,088 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,089 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.7 percent of original size [2021-08-12 22:00:29,090 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-08-12 22:00:29,097 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,098 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-08-12 22:00:29,099 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,100 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-08-12 22:00:29,100 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:29,101 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-12 22:00:29,105 INFO L147 QuantifierPusher]: treesize reduction 18, result has 40.0 percent of original size 12 [2021-08-12 22:00:29,106 INFO L147 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size 25 [2021-08-12 22:00:29,107 INFO L147 QuantifierPusher]: treesize reduction 34, result has 42.4 percent of original size 25 [2021-08-12 22:00:29,107 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:29,108 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,109 INFO L142 QuantifierPusher]: treesize reduction 34, result has 55.8 percent of original size [2021-08-12 22:00:29,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,111 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-08-12 22:00:29,111 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-08-12 22:00:29,113 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-08-12 22:00:29,113 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:29,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-08-12 22:00:29,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,121 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-08-12 22:00:29,121 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-08-12 22:00:29,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:29,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:29,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312239143] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:29,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:29,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-08-12 22:00:29,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924119115] [2021-08-12 22:00:29,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-12 22:00:29,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:29,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-12 22:00:29,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-08-12 22:00:29,132 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-12 22:00:29,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 1117 transitions, 59830 flow. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:29,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:29,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-12 22:00:29,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:30,496 INFO L129 PetriNetUnfolder]: 636/2437 cut-off events. [2021-08-12 22:00:30,496 INFO L130 PetriNetUnfolder]: For 21616/21618 co-relation queries the response was YES. [2021-08-12 22:00:30,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45587 conditions, 2437 events. 636/2437 cut-off events. For 21616/21618 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 25428 event pairs, 0 based on Foata normal form. 4/2441 useless extension candidates. Maximal degree in co-relation 43306. Up to 1617 conditions per place. [2021-08-12 22:00:30,514 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 819 selfloop transitions, 176 changer transitions 55/1234 dead transitions. [2021-08-12 22:00:30,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 1234 transitions, 68348 flow [2021-08-12 22:00:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:00:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:00:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 161 transitions. [2021-08-12 22:00:30,515 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8256410256410256 [2021-08-12 22:00:30,515 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 161 transitions. [2021-08-12 22:00:30,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 161 transitions. [2021-08-12 22:00:30,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:30,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 161 transitions. [2021-08-12 22:00:30,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.384615384615385) internal successors, (161), 13 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:30,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:30,517 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:30,517 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 262 predicate places. [2021-08-12 22:00:30,517 INFO L482 AbstractCegarLoop]: Abstraction has has 278 places, 1234 transitions, 68348 flow [2021-08-12 22:00:30,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 13 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:30,517 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:30,517 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:30,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-08-12 22:00:30,740 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:30,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1954425115, now seen corresponding path program 26 times [2021-08-12 22:00:30,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:30,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957715804] [2021-08-12 22:00:30,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:30,790 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:30,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957715804] [2021-08-12 22:00:30,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957715804] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:30,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974898850] [2021-08-12 22:00:30,790 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 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 [2021-08-12 22:00:30,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:30,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:30,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:30,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:30,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:30,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:30,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:30,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:30,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:30,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:30,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:30,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:30,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:30,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:30,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:30,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:30,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:30,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:30,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:30,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:30,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:30,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:30,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:30,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:30,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:30,889 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:30,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:30,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974898850] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:30,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:30,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-08-12 22:00:30,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275819760] [2021-08-12 22:00:30,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:00:30,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:30,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:00:30,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:00:30,898 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:30,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 1234 transitions, 68348 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:30,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:30,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:30,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:33,221 INFO L129 PetriNetUnfolder]: 907/3474 cut-off events. [2021-08-12 22:00:33,221 INFO L130 PetriNetUnfolder]: For 30228/30228 co-relation queries the response was YES. [2021-08-12 22:00:33,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66820 conditions, 3474 events. 907/3474 cut-off events. For 30228/30228 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 38567 event pairs, 0 based on Foata normal form. 46/3520 useless extension candidates. Maximal degree in co-relation 63480. Up to 2288 conditions per place. [2021-08-12 22:00:33,259 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 744 selfloop transitions, 915 changer transitions 58/1757 dead transitions. [2021-08-12 22:00:33,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 1757 transitions, 100876 flow [2021-08-12 22:00:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 22:00:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-12 22:00:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2021-08-12 22:00:33,260 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.85 [2021-08-12 22:00:33,260 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 153 transitions. [2021-08-12 22:00:33,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 153 transitions. [2021-08-12 22:00:33,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:33,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 153 transitions. [2021-08-12 22:00:33,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:33,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:33,262 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 15.0) internal successors, (195), 13 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:33,262 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 273 predicate places. [2021-08-12 22:00:33,262 INFO L482 AbstractCegarLoop]: Abstraction has has 289 places, 1757 transitions, 100876 flow [2021-08-12 22:00:33,262 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:33,262 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:33,262 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:33,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:33,463 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:33,463 INFO L82 PathProgramCache]: Analyzing trace with hash -679506910, now seen corresponding path program 27 times [2021-08-12 22:00:33,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:33,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35534128] [2021-08-12 22:00:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:33,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:33,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:33,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:33,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:33,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35534128] [2021-08-12 22:00:33,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35534128] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:33,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201670033] [2021-08-12 22:00:33,517 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:33,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 22:00:33,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:33,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:33,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:33,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:33,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:33,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:33,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:33,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:33,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:33,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:33,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:33,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,584 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:33,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:33,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:33,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:33,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:33,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:33,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:33,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:33,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:33,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:33,593 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:33,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:33,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:33,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201670033] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:33,603 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:33,603 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-08-12 22:00:33,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964545712] [2021-08-12 22:00:33,604 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:00:33,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:33,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:00:33,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:00:33,605 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:33,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 1757 transitions, 100876 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:33,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:33,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:33,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:36,822 INFO L129 PetriNetUnfolder]: 886/3415 cut-off events. [2021-08-12 22:00:36,822 INFO L130 PetriNetUnfolder]: For 31328/31378 co-relation queries the response was YES. [2021-08-12 22:00:36,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68424 conditions, 3415 events. 886/3415 cut-off events. For 31328/31378 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 37983 event pairs, 0 based on Foata normal form. 62/3477 useless extension candidates. Maximal degree in co-relation 65134. Up to 2275 conditions per place. [2021-08-12 22:00:36,848 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1073 selfloop transitions, 625 changer transitions 111/1849 dead transitions. [2021-08-12 22:00:36,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 1849 transitions, 108002 flow [2021-08-12 22:00:36,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-12 22:00:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-12 22:00:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 195 transitions. [2021-08-12 22:00:36,850 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8125 [2021-08-12 22:00:36,850 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 195 transitions. [2021-08-12 22:00:36,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 195 transitions. [2021-08-12 22:00:36,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:36,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 195 transitions. [2021-08-12 22:00:36,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 12.1875) internal successors, (195), 16 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:36,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 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) [2021-08-12 22:00:36,851 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 15.0) internal successors, (255), 17 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) [2021-08-12 22:00:36,851 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 288 predicate places. [2021-08-12 22:00:36,851 INFO L482 AbstractCegarLoop]: Abstraction has has 304 places, 1849 transitions, 108002 flow [2021-08-12 22:00:36,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:36,852 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:36,852 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:37,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-08-12 22:00:37,069 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:37,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:37,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1394137593, now seen corresponding path program 28 times [2021-08-12 22:00:37,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:37,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860559363] [2021-08-12 22:00:37,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:37,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:37,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:37,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:37,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:37,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860559363] [2021-08-12 22:00:37,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860559363] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:37,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191743871] [2021-08-12 22:00:37,124 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:37,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:00:37,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:37,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:37,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:37,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:37,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:37,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:37,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:37,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,200 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:37,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:37,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:37,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:37,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:37,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:37,208 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:37,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:37,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191743871] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:37,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:37,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-12 22:00:37,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139471840] [2021-08-12 22:00:37,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:00:37,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:37,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:00:37,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:00:37,295 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:37,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 1849 transitions, 108002 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:37,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:37,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:37,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:40,661 INFO L129 PetriNetUnfolder]: 894/3524 cut-off events. [2021-08-12 22:00:40,661 INFO L130 PetriNetUnfolder]: For 31054/31095 co-relation queries the response was YES. [2021-08-12 22:00:40,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72483 conditions, 3524 events. 894/3524 cut-off events. For 31054/31095 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 39779 event pairs, 0 based on Foata normal form. 43/3567 useless extension candidates. Maximal degree in co-relation 69035. Up to 2336 conditions per place. [2021-08-12 22:00:40,694 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 686 selfloop transitions, 1150 changer transitions 130/2006 dead transitions. [2021-08-12 22:00:40,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 2006 transitions, 119426 flow [2021-08-12 22:00:40,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 22:00:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-12 22:00:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 202 transitions. [2021-08-12 22:00:40,696 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.792156862745098 [2021-08-12 22:00:40,696 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 202 transitions. [2021-08-12 22:00:40,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 202 transitions. [2021-08-12 22:00:40,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:40,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 202 transitions. [2021-08-12 22:00:40,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 11.882352941176471) internal successors, (202), 17 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) [2021-08-12 22:00:40,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 15.0) internal successors, (270), 18 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:40,697 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 15.0) internal successors, (270), 18 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:40,698 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 304 predicate places. [2021-08-12 22:00:40,698 INFO L482 AbstractCegarLoop]: Abstraction has has 320 places, 2006 transitions, 119426 flow [2021-08-12 22:00:40,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:40,698 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:40,698 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:40,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:40,918 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:40,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:40,918 INFO L82 PathProgramCache]: Analyzing trace with hash 335713551, now seen corresponding path program 29 times [2021-08-12 22:00:40,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:40,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326412634] [2021-08-12 22:00:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:40,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:40,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:40,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:40,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:40,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:40,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:40,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:40,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:40,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:40,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:40,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:40,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326412634] [2021-08-12 22:00:40,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326412634] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:40,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533708878] [2021-08-12 22:00:40,972 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 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 [2021-08-12 22:00:41,003 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 22:00:41,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:41,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:41,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:41,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:41,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:41,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:41,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:41,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:41,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,040 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:41,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:41,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:41,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:41,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:41,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:41,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:41,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:41,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:41,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:41,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:41,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:41,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:41,066 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:41,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:41,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:41,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533708878] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:41,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:41,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-12 22:00:41,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119734548] [2021-08-12 22:00:41,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 22:00:41,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:41,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 22:00:41,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-08-12 22:00:41,076 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:41,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 2006 transitions, 119426 flow. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:41,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:41,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:41,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:44,864 INFO L129 PetriNetUnfolder]: 885/3519 cut-off events. [2021-08-12 22:00:44,864 INFO L130 PetriNetUnfolder]: For 30471/30512 co-relation queries the response was YES. [2021-08-12 22:00:44,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74464 conditions, 3519 events. 885/3519 cut-off events. For 30471/30512 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 39884 event pairs, 0 based on Foata normal form. 17/3536 useless extension candidates. Maximal degree in co-relation 71027. Up to 2325 conditions per place. [2021-08-12 22:00:44,888 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 646 selfloop transitions, 1169 changer transitions 140/1995 dead transitions. [2021-08-12 22:00:44,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 1995 transitions, 122628 flow [2021-08-12 22:00:44,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-12 22:00:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-12 22:00:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 224 transitions. [2021-08-12 22:00:44,889 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7859649122807018 [2021-08-12 22:00:44,889 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 224 transitions. [2021-08-12 22:00:44,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 224 transitions. [2021-08-12 22:00:44,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:44,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 224 transitions. [2021-08-12 22:00:44,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 11.789473684210526) internal successors, (224), 19 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) [2021-08-12 22:00:44,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 15.0) internal successors, (300), 20 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:44,891 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 15.0) internal successors, (300), 20 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:44,891 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 322 predicate places. [2021-08-12 22:00:44,891 INFO L482 AbstractCegarLoop]: Abstraction has has 338 places, 1995 transitions, 122628 flow [2021-08-12 22:00:44,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:44,891 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:44,891 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:45,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-08-12 22:00:45,093 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:45,093 INFO L82 PathProgramCache]: Analyzing trace with hash 582706149, now seen corresponding path program 30 times [2021-08-12 22:00:45,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:45,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580803802] [2021-08-12 22:00:45,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:45,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:45,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:45,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580803802] [2021-08-12 22:00:45,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580803802] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:45,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105981780] [2021-08-12 22:00:45,139 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 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 [2021-08-12 22:00:45,166 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-12 22:00:45,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:45,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:45,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:45,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:45,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:45,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:45,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:45,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:45,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:45,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:45,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:45,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:45,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:45,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:45,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:45,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:45,215 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:00:45,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:45,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:45,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105981780] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:45,222 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:45,222 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:00:45,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143755341] [2021-08-12 22:00:45,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:00:45,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:45,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:00:45,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:00:45,223 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:45,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 1995 transitions, 122628 flow. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:45,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:45,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:45,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:49,390 INFO L129 PetriNetUnfolder]: 958/3942 cut-off events. [2021-08-12 22:00:49,391 INFO L130 PetriNetUnfolder]: For 33916/33919 co-relation queries the response was YES. [2021-08-12 22:00:49,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85040 conditions, 3942 events. 958/3942 cut-off events. For 33916/33919 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 46124 event pairs, 0 based on Foata normal form. 32/3974 useless extension candidates. Maximal degree in co-relation 80978. Up to 2572 conditions per place. [2021-08-12 22:00:49,421 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 930 selfloop transitions, 1076 changer transitions 154/2200 dead transitions. [2021-08-12 22:00:49,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 2200 transitions, 139484 flow [2021-08-12 22:00:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 22:00:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 22:00:49,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 127 transitions. [2021-08-12 22:00:49,423 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8466666666666667 [2021-08-12 22:00:49,423 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 127 transitions. [2021-08-12 22:00:49,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 127 transitions. [2021-08-12 22:00:49,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:49,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 127 transitions. [2021-08-12 22:00:49,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:49,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:49,424 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:49,424 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 331 predicate places. [2021-08-12 22:00:49,424 INFO L482 AbstractCegarLoop]: Abstraction has has 347 places, 2200 transitions, 139484 flow [2021-08-12 22:00:49,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:49,424 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:49,424 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:49,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-08-12 22:00:49,625 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:49,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:49,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1104154371, now seen corresponding path program 31 times [2021-08-12 22:00:49,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:49,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326165006] [2021-08-12 22:00:49,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:49,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:49,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:49,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:49,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326165006] [2021-08-12 22:00:49,664 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326165006] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:49,664 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289877042] [2021-08-12 22:00:49,664 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 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 [2021-08-12 22:00:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:49,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:49,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:49,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:49,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:49,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:49,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:49,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:49,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:49,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:49,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:49,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:49,734 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:00:49,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:49,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:49,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:49,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:49,738 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:49,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:00:49,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289877042] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:49,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:49,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:00:49,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086306779] [2021-08-12 22:00:49,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:00:49,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:49,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:00:49,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:00:49,748 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:49,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 2200 transitions, 139484 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:49,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:49,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:49,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:00:55,011 INFO L129 PetriNetUnfolder]: 936/3910 cut-off events. [2021-08-12 22:00:55,011 INFO L130 PetriNetUnfolder]: For 33811/33853 co-relation queries the response was YES. [2021-08-12 22:00:55,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86002 conditions, 3910 events. 936/3910 cut-off events. For 33811/33853 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 45785 event pairs, 0 based on Foata normal form. 66/3976 useless extension candidates. Maximal degree in co-relation 82094. Up to 2527 conditions per place. [2021-08-12 22:00:55,057 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 750 selfloop transitions, 1242 changer transitions 171/2203 dead transitions. [2021-08-12 22:00:55,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 2203 transitions, 143282 flow [2021-08-12 22:00:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:00:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:00:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 183 transitions. [2021-08-12 22:00:55,058 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8133333333333334 [2021-08-12 22:00:55,058 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 183 transitions. [2021-08-12 22:00:55,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 183 transitions. [2021-08-12 22:00:55,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:00:55,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 183 transitions. [2021-08-12 22:00:55,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.2) internal successors, (183), 15 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) [2021-08-12 22:00:55,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:00:55,059 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:00:55,060 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 345 predicate places. [2021-08-12 22:00:55,060 INFO L482 AbstractCegarLoop]: Abstraction has has 361 places, 2203 transitions, 143282 flow [2021-08-12 22:00:55,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:55,060 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:00:55,060 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:00:55,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:00:55,261 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:00:55,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:00:55,262 INFO L82 PathProgramCache]: Analyzing trace with hash 566079266, now seen corresponding path program 32 times [2021-08-12 22:00:55,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:00:55,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614109396] [2021-08-12 22:00:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:00:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:00:55,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:55,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:00:55,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614109396] [2021-08-12 22:00:55,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614109396] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:55,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730164603] [2021-08-12 22:00:55,333 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 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 [2021-08-12 22:00:55,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:00:55,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:00:55,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:00:55,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:00:55,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:00:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:55,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:55,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:00:55,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:00:55,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:55,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:55,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:55,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:55,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:55,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:55,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:55,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:55,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,388 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:00:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:00:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:00:55,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:55,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:55,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:55,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:55,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:55,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:55,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:55,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:00:55,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:55,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:00:55,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:00:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:00:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:00:55,408 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:00:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:00:55,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:00:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:00:55,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730164603] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:00:55,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:00:55,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-12 22:00:55,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257542801] [2021-08-12 22:00:55,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 22:00:55,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:00:55,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 22:00:55,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-08-12 22:00:55,418 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:00:55,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 2203 transitions, 143282 flow. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:00:55,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:00:55,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:00:55,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:01:01,028 INFO L129 PetriNetUnfolder]: 1044/4415 cut-off events. [2021-08-12 22:01:01,028 INFO L130 PetriNetUnfolder]: For 34307/34307 co-relation queries the response was YES. [2021-08-12 22:01:01,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99056 conditions, 4415 events. 1044/4415 cut-off events. For 34307/34307 co-relation queries the response was YES. Maximal size of possible extension queue 500. Compared 52833 event pairs, 0 based on Foata normal form. 9/4424 useless extension candidates. Maximal degree in co-relation 94546. Up to 2836 conditions per place. [2021-08-12 22:01:01,062 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1568 selfloop transitions, 666 changer transitions 212/2486 dead transitions. [2021-08-12 22:01:01,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 2486 transitions, 165796 flow [2021-08-12 22:01:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 22:01:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-12 22:01:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 199 transitions. [2021-08-12 22:01:01,063 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7803921568627451 [2021-08-12 22:01:01,063 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 199 transitions. [2021-08-12 22:01:01,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 199 transitions. [2021-08-12 22:01:01,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:01:01,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 199 transitions. [2021-08-12 22:01:01,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 11.705882352941176) internal successors, (199), 17 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) [2021-08-12 22:01:01,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 15.0) internal successors, (270), 18 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:01,065 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 15.0) internal successors, (270), 18 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:01,065 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 361 predicate places. [2021-08-12 22:01:01,065 INFO L482 AbstractCegarLoop]: Abstraction has has 377 places, 2486 transitions, 165796 flow [2021-08-12 22:01:01,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:01,065 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:01:01,065 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:01:01,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:01:01,269 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:01:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:01:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1760253839, now seen corresponding path program 33 times [2021-08-12 22:01:01,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:01:01,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928219015] [2021-08-12 22:01:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:01:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:01,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:01,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:01:01,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928219015] [2021-08-12 22:01:01,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928219015] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:01,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801877780] [2021-08-12 22:01:01,329 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 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 [2021-08-12 22:01:01,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 22:01:01,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:01:01,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:01:01,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:01:01,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:01,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:01,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:01,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:01,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:01,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:01,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:01,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:01,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:01,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:01,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:01,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:01,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:01,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:01,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:01,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:01,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:01,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:01,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:01,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:01,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:01,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:01,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:01,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:01,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:01,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:01,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:01,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:01,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:01,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:01,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:01,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:01,415 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:01:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:01,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:01,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801877780] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:01,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:01:01,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-12 22:01:01,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545151624] [2021-08-12 22:01:01,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 22:01:01,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:01:01,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 22:01:01,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-08-12 22:01:01,424 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:01:01,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 2486 transitions, 165796 flow. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:01,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:01:01,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:01:01,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:01:09,424 INFO L129 PetriNetUnfolder]: 1199/5042 cut-off events. [2021-08-12 22:01:09,425 INFO L130 PetriNetUnfolder]: For 40340/40384 co-relation queries the response was YES. [2021-08-12 22:01:09,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116860 conditions, 5042 events. 1199/5042 cut-off events. For 40340/40384 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 61556 event pairs, 0 based on Foata normal form. 43/5085 useless extension candidates. Maximal degree in co-relation 111772. Up to 3246 conditions per place. [2021-08-12 22:01:09,465 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1742 selfloop transitions, 842 changer transitions 212/2836 dead transitions. [2021-08-12 22:01:09,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 2836 transitions, 195650 flow [2021-08-12 22:01:09,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:01:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:01:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 186 transitions. [2021-08-12 22:01:09,466 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8266666666666667 [2021-08-12 22:01:09,466 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 186 transitions. [2021-08-12 22:01:09,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 186 transitions. [2021-08-12 22:01:09,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:01:09,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 186 transitions. [2021-08-12 22:01:09,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.4) internal successors, (186), 15 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) [2021-08-12 22:01:09,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:01:09,467 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:01:09,467 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 375 predicate places. [2021-08-12 22:01:09,468 INFO L482 AbstractCegarLoop]: Abstraction has has 391 places, 2836 transitions, 195650 flow [2021-08-12 22:01:09,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:09,468 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:01:09,468 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:01:09,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:01:09,672 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:01:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:01:09,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1602704494, now seen corresponding path program 34 times [2021-08-12 22:01:09,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:01:09,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521226455] [2021-08-12 22:01:09,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:01:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:09,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-12 22:01:09,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:01:09,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521226455] [2021-08-12 22:01:09,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521226455] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:09,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263659250] [2021-08-12 22:01:09,734 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 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 [2021-08-12 22:01:09,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:01:09,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:01:09,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:01:09,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:01:09,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:09,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:09,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:09,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:09,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:09,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:09,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:09,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:09,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:09,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:09,827 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:01:09,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-12 22:01:09,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263659250] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:09,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:01:09,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-12 22:01:09,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49709139] [2021-08-12 22:01:09,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:01:09,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:01:09,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:01:09,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:01:09,836 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:01:09,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 2836 transitions, 195650 flow. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:09,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:01:09,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:01:09,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:01:19,247 INFO L129 PetriNetUnfolder]: 1226/5102 cut-off events. [2021-08-12 22:01:19,247 INFO L130 PetriNetUnfolder]: For 41337/41390 co-relation queries the response was YES. [2021-08-12 22:01:19,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122366 conditions, 5102 events. 1226/5102 cut-off events. For 41337/41390 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 62153 event pairs, 0 based on Foata normal form. 52/5154 useless extension candidates. Maximal degree in co-relation 117315. Up to 3305 conditions per place. [2021-08-12 22:01:19,288 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2470 selfloop transitions, 155 changer transitions 229/2892 dead transitions. [2021-08-12 22:01:19,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 2892 transitions, 205690 flow [2021-08-12 22:01:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 22:01:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 22:01:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 88 transitions. [2021-08-12 22:01:19,289 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2021-08-12 22:01:19,289 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 88 transitions. [2021-08-12 22:01:19,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 88 transitions. [2021-08-12 22:01:19,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:01:19,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 88 transitions. [2021-08-12 22:01:19,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:19,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:19,290 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:19,290 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 381 predicate places. [2021-08-12 22:01:19,290 INFO L482 AbstractCegarLoop]: Abstraction has has 397 places, 2892 transitions, 205690 flow [2021-08-12 22:01:19,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:19,290 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:01:19,290 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:01:19,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:01:19,491 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:01:19,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:01:19,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2085502479, now seen corresponding path program 35 times [2021-08-12 22:01:19,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:01:19,491 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471037219] [2021-08-12 22:01:19,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:01:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:19,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:19,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:01:19,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471037219] [2021-08-12 22:01:19,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471037219] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:19,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085503322] [2021-08-12 22:01:19,542 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 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 [2021-08-12 22:01:19,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-12 22:01:19,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:01:19,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:01:19,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:01:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:19,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:19,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:19,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:19,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:19,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:19,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:19,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:19,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:19,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:19,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:19,622 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:01:19,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:19,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:19,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085503322] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:19,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:01:19,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-12 22:01:19,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959702708] [2021-08-12 22:01:19,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:01:19,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:01:19,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:01:19,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:01:19,629 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:01:19,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 2892 transitions, 205690 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:19,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:01:19,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:01:19,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:01:30,406 INFO L129 PetriNetUnfolder]: 1254/5239 cut-off events. [2021-08-12 22:01:30,406 INFO L130 PetriNetUnfolder]: For 42782/42841 co-relation queries the response was YES. [2021-08-12 22:01:30,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128905 conditions, 5239 events. 1254/5239 cut-off events. For 42782/42841 co-relation queries the response was YES. Maximal size of possible extension queue 580. Compared 64281 event pairs, 0 based on Foata normal form. 18/5257 useless extension candidates. Maximal degree in co-relation 123657. Up to 3389 conditions per place. [2021-08-12 22:01:30,523 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1158 selfloop transitions, 1594 changer transitions 241/3031 dead transitions. [2021-08-12 22:01:30,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 3031 transitions, 220844 flow [2021-08-12 22:01:30,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 22:01:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 22:01:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 140 transitions. [2021-08-12 22:01:30,524 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-08-12 22:01:30,524 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 140 transitions. [2021-08-12 22:01:30,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 140 transitions. [2021-08-12 22:01:30,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:01:30,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 140 transitions. [2021-08-12 22:01:30,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:30,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:01:30,525 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:01:30,525 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 391 predicate places. [2021-08-12 22:01:30,525 INFO L482 AbstractCegarLoop]: Abstraction has has 407 places, 3031 transitions, 220844 flow [2021-08-12 22:01:30,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:30,525 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:01:30,525 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:01:30,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-08-12 22:01:30,728 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:01:30,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:01:30,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1456656509, now seen corresponding path program 36 times [2021-08-12 22:01:30,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:01:30,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729912012] [2021-08-12 22:01:30,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:01:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:30,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:30,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:01:30,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729912012] [2021-08-12 22:01:30,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729912012] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:30,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125601498] [2021-08-12 22:01:30,776 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 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 [2021-08-12 22:01:30,804 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-12 22:01:30,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:01:30,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:01:30,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:01:30,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:30,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:30,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:30,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:30,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:30,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:30,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:30,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:30,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:30,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:30,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:30,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:30,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:30,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:01:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:01:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:30,850 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:01:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:30,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:30,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125601498] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:30,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:01:30,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-08-12 22:01:30,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573438281] [2021-08-12 22:01:30,858 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:01:30,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:01:30,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:01:30,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:01:30,858 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:01:30,859 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 3031 transitions, 220844 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:30,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:01:30,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:01:30,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:01:42,172 INFO L129 PetriNetUnfolder]: 1259/5168 cut-off events. [2021-08-12 22:01:42,172 INFO L130 PetriNetUnfolder]: For 43039/43104 co-relation queries the response was YES. [2021-08-12 22:01:42,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133245 conditions, 5168 events. 1259/5168 cut-off events. For 43039/43104 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 62908 event pairs, 0 based on Foata normal form. 97/5265 useless extension candidates. Maximal degree in co-relation 128203. Up to 3408 conditions per place. [2021-08-12 22:01:42,215 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 1377 selfloop transitions, 1431 changer transitions 243/3087 dead transitions. [2021-08-12 22:01:42,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 3087 transitions, 231762 flow [2021-08-12 22:01:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 22:01:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 22:01:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 126 transitions. [2021-08-12 22:01:42,216 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.84 [2021-08-12 22:01:42,217 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 126 transitions. [2021-08-12 22:01:42,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 126 transitions. [2021-08-12 22:01:42,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:01:42,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 126 transitions. [2021-08-12 22:01:42,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:42,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:42,218 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 15.0) internal successors, (165), 11 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:42,218 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 400 predicate places. [2021-08-12 22:01:42,218 INFO L482 AbstractCegarLoop]: Abstraction has has 416 places, 3087 transitions, 231762 flow [2021-08-12 22:01:42,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:42,218 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:01:42,218 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:01:42,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:01:42,429 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:01:42,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:01:42,429 INFO L82 PathProgramCache]: Analyzing trace with hash -958106386, now seen corresponding path program 37 times [2021-08-12 22:01:42,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:01:42,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217485228] [2021-08-12 22:01:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:01:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:42,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:42,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:01:42,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:01:42,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217485228] [2021-08-12 22:01:42,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217485228] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:42,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623292945] [2021-08-12 22:01:42,468 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 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 [2021-08-12 22:01:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:42,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:01:42,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:01:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:42,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:42,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:42,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:42,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:42,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:42,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:42,527 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:01:42,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:42,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:42,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:42,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:42,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:42,531 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:01:42,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:42,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:42,538 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:01:42,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623292945] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:42,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:01:42,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-08-12 22:01:42,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790714697] [2021-08-12 22:01:42,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 22:01:42,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:01:42,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 22:01:42,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-12 22:01:42,539 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:01:42,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 3087 transitions, 231762 flow. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:42,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:01:42,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:01:42,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:01:53,889 INFO L129 PetriNetUnfolder]: 1259/5140 cut-off events. [2021-08-12 22:01:53,889 INFO L130 PetriNetUnfolder]: For 41698/41698 co-relation queries the response was YES. [2021-08-12 22:01:53,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136134 conditions, 5140 events. 1259/5140 cut-off events. For 41698/41698 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 62235 event pairs, 0 based on Foata normal form. 6/5146 useless extension candidates. Maximal degree in co-relation 131168. Up to 3396 conditions per place. [2021-08-12 22:01:53,930 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 2271 selfloop transitions, 525 changer transitions 245/3076 dead transitions. [2021-08-12 22:01:53,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 3076 transitions, 237076 flow [2021-08-12 22:01:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:01:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 22:01:53,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 150 transitions. [2021-08-12 22:01:53,931 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2021-08-12 22:01:53,931 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 150 transitions. [2021-08-12 22:01:53,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 150 transitions. [2021-08-12 22:01:53,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:01:53,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 150 transitions. [2021-08-12 22:01:53,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.538461538461538) internal successors, (150), 13 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:53,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:53,932 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 15.0) internal successors, (210), 14 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:53,932 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 412 predicate places. [2021-08-12 22:01:53,932 INFO L482 AbstractCegarLoop]: Abstraction has has 428 places, 3076 transitions, 237076 flow [2021-08-12 22:01:53,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:53,932 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:01:53,932 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:01:54,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:01:54,133 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:01:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:01:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash 187098018, now seen corresponding path program 38 times [2021-08-12 22:01:54,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:01:54,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495967587] [2021-08-12 22:01:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:01:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:01:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:01:54,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:01:54,178 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:01:54,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495967587] [2021-08-12 22:01:54,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495967587] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:54,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994541135] [2021-08-12 22:01:54,178 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 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 [2021-08-12 22:01:54,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:01:54,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:01:54,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:01:54,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:01:54,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:54,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:54,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:54,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:54,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:54,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:54,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:54,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:54,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:01:54,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:01:54,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:01:54,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:54,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:01:54,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:01:54,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:01:54,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:01:54,257 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:01:54,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:01:54,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:01:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:01:54,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994541135] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:01:54,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:01:54,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:01:54,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758498089] [2021-08-12 22:01:54,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:01:54,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:01:54,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:01:54,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:01:54,266 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:01:54,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 3076 transitions, 237076 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:01:54,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:01:54,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:01:54,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:02:06,042 INFO L129 PetriNetUnfolder]: 1223/4902 cut-off events. [2021-08-12 22:02:06,042 INFO L130 PetriNetUnfolder]: For 41673/41729 co-relation queries the response was YES. [2021-08-12 22:02:06,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135511 conditions, 4902 events. 1223/4902 cut-off events. For 41673/41729 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 58682 event pairs, 0 based on Foata normal form. 76/4978 useless extension candidates. Maximal degree in co-relation 130985. Up to 3292 conditions per place. [2021-08-12 22:02:06,084 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2142 selfloop transitions, 563 changer transitions 248/2986 dead transitions. [2021-08-12 22:02:06,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 2986 transitions, 237170 flow [2021-08-12 22:02:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:02:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:02:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 101 transitions. [2021-08-12 22:02:06,085 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2021-08-12 22:02:06,085 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 101 transitions. [2021-08-12 22:02:06,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 101 transitions. [2021-08-12 22:02:06,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:02:06,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 101 transitions. [2021-08-12 22:02:06,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:06,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:06,089 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:06,090 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 419 predicate places. [2021-08-12 22:02:06,090 INFO L482 AbstractCegarLoop]: Abstraction has has 435 places, 2986 transitions, 237170 flow [2021-08-12 22:02:06,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:06,090 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:02:06,090 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:02:06,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:02:06,297 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:02:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:02:06,297 INFO L82 PathProgramCache]: Analyzing trace with hash 662375974, now seen corresponding path program 39 times [2021-08-12 22:02:06,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:02:06,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952728349] [2021-08-12 22:02:06,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:02:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:02:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:02:06,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:02:06,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952728349] [2021-08-12 22:02:06,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952728349] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:06,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391350163] [2021-08-12 22:02:06,341 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 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 [2021-08-12 22:02:06,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 22:02:06,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:02:06,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:02:06,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:02:06,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:06,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:06,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:06,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:06,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:06,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:06,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:06,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:06,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:06,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:06,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:06,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:06,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:06,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:06,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:06,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:06,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,387 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:02:06,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:06,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:06,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:06,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:06,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:06,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:06,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,396 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:06,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:06,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:06,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:06,399 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:02:06,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:06,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:02:06,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391350163] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:06,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:02:06,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-08-12 22:02:06,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146807984] [2021-08-12 22:02:06,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:02:06,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:02:06,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:02:06,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:02:06,408 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:02:06,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 2986 transitions, 237170 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:06,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:02:06,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:02:06,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:02:17,736 INFO L129 PetriNetUnfolder]: 1254/5030 cut-off events. [2021-08-12 22:02:17,736 INFO L130 PetriNetUnfolder]: For 42835/42900 co-relation queries the response was YES. [2021-08-12 22:02:17,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141866 conditions, 5030 events. 1254/5030 cut-off events. For 42835/42900 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 60361 event pairs, 0 based on Foata normal form. 12/5042 useless extension candidates. Maximal degree in co-relation 137256. Up to 3365 conditions per place. [2021-08-12 22:02:17,914 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 2156 selfloop transitions, 616 changer transitions 255/3060 dead transitions. [2021-08-12 22:02:17,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 3060 transitions, 248958 flow [2021-08-12 22:02:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:02:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:02:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 175 transitions. [2021-08-12 22:02:17,915 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-08-12 22:02:17,915 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 175 transitions. [2021-08-12 22:02:17,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 175 transitions. [2021-08-12 22:02:17,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:02:17,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 175 transitions. [2021-08-12 22:02:17,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 11.666666666666666) internal successors, (175), 15 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:17,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:02:17,916 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:02:17,916 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 433 predicate places. [2021-08-12 22:02:17,916 INFO L482 AbstractCegarLoop]: Abstraction has has 449 places, 3060 transitions, 248958 flow [2021-08-12 22:02:17,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:17,917 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:02:17,917 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:02:18,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-08-12 22:02:18,120 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:02:18,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:02:18,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1069013477, now seen corresponding path program 40 times [2021-08-12 22:02:18,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:02:18,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005565801] [2021-08-12 22:02:18,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:02:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:02:18,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:18,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:02:18,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:02:18,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005565801] [2021-08-12 22:02:18,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005565801] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:18,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574620325] [2021-08-12 22:02:18,161 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 [2021-08-12 22:02:18,183 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:02:18,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:02:18,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:02:18,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:02:18,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:18,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:18,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:18,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:18,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:18,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:18,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:18,230 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:02:18,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:18,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:18,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:18,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:18,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:18,234 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:02:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:18,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:02:18,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574620325] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:18,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:02:18,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:02:18,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473964349] [2021-08-12 22:02:18,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:02:18,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:02:18,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:02:18,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:02:18,240 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:02:18,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 3060 transitions, 248958 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:18,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:02:18,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:02:18,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:02:30,596 INFO L129 PetriNetUnfolder]: 1250/5025 cut-off events. [2021-08-12 22:02:30,596 INFO L130 PetriNetUnfolder]: For 41522/41522 co-relation queries the response was YES. [2021-08-12 22:02:30,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145020 conditions, 5025 events. 1250/5025 cut-off events. For 41522/41522 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 60278 event pairs, 0 based on Foata normal form. 4/5029 useless extension candidates. Maximal degree in co-relation 140408. Up to 3360 conditions per place. [2021-08-12 22:02:30,636 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1163 selfloop transitions, 1601 changer transitions 258/3055 dead transitions. [2021-08-12 22:02:30,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 3055 transitions, 254580 flow [2021-08-12 22:02:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:02:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:02:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 181 transitions. [2021-08-12 22:02:30,637 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8044444444444444 [2021-08-12 22:02:30,637 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 181 transitions. [2021-08-12 22:02:30,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 181 transitions. [2021-08-12 22:02:30,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:02:30,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 181 transitions. [2021-08-12 22:02:30,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:30,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:02:30,638 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:02:30,638 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 447 predicate places. [2021-08-12 22:02:30,638 INFO L482 AbstractCegarLoop]: Abstraction has has 463 places, 3055 transitions, 254580 flow [2021-08-12 22:02:30,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:30,639 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:02:30,639 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:02:30,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:02:30,849 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:02:30,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:02:30,849 INFO L82 PathProgramCache]: Analyzing trace with hash 857699377, now seen corresponding path program 41 times [2021-08-12 22:02:30,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:02:30,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559396653] [2021-08-12 22:02:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:02:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:02:30,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:02:30,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:02:30,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559396653] [2021-08-12 22:02:30,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559396653] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:30,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571076938] [2021-08-12 22:02:30,889 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 [2021-08-12 22:02:30,917 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-12 22:02:30,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:02:30,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:02:30,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:02:30,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:30,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:30,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:30,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:30,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:30,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:30,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:30,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:30,964 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:02:30,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:30,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:02:30,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571076938] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:30,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:02:30,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-12 22:02:30,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250084794] [2021-08-12 22:02:30,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:02:30,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:02:30,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:02:30,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:02:30,976 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:02:30,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 3055 transitions, 254580 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:30,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:02:30,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:02:30,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:02:44,244 INFO L129 PetriNetUnfolder]: 1306/5138 cut-off events. [2021-08-12 22:02:44,244 INFO L130 PetriNetUnfolder]: For 44768/44827 co-relation queries the response was YES. [2021-08-12 22:02:44,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155240 conditions, 5138 events. 1306/5138 cut-off events. For 44768/44827 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 61381 event pairs, 0 based on Foata normal form. 75/5213 useless extension candidates. Maximal degree in co-relation 150652. Up to 3512 conditions per place. [2021-08-12 22:02:44,289 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 1860 selfloop transitions, 1140 changer transitions 270/3303 dead transitions. [2021-08-12 22:02:44,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 3303 transitions, 281622 flow [2021-08-12 22:02:44,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:02:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:02:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 100 transitions. [2021-08-12 22:02:44,290 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-08-12 22:02:44,290 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 100 transitions. [2021-08-12 22:02:44,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 100 transitions. [2021-08-12 22:02:44,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:02:44,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 100 transitions. [2021-08-12 22:02:44,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 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) [2021-08-12 22:02:44,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:44,290 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:44,290 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 454 predicate places. [2021-08-12 22:02:44,290 INFO L482 AbstractCegarLoop]: Abstraction has has 470 places, 3303 transitions, 281622 flow [2021-08-12 22:02:44,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:44,290 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:02:44,291 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:02:44,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:02:44,491 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:02:44,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:02:44,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1276001108, now seen corresponding path program 42 times [2021-08-12 22:02:44,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:02:44,491 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232953785] [2021-08-12 22:02:44,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:02:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:02:44,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:44,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:02:44,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:02:44,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232953785] [2021-08-12 22:02:44,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232953785] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:44,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550327619] [2021-08-12 22:02:44,528 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 [2021-08-12 22:02:44,552 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-12 22:02:44,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:02:44,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:02:44,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:02:44,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:44,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:44,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:44,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:44,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:44,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:44,589 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:02:44,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:44,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:44,591 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:02:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:44,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:02:44,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550327619] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:44,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:02:44,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:02:44,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405356800] [2021-08-12 22:02:44,598 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:02:44,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:02:44,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:02:44,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:02:44,598 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:02:44,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 3303 transitions, 281622 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:44,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:02:44,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:02:44,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:02:58,987 INFO L129 PetriNetUnfolder]: 1317/5218 cut-off events. [2021-08-12 22:02:58,987 INFO L130 PetriNetUnfolder]: For 44065/44065 co-relation queries the response was YES. [2021-08-12 22:02:58,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160465 conditions, 5218 events. 1317/5218 cut-off events. For 44065/44065 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 62413 event pairs, 0 based on Foata normal form. 8/5226 useless extension candidates. Maximal degree in co-relation 155758. Up to 3548 conditions per place. [2021-08-12 22:02:59,033 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 2194 selfloop transitions, 841 changer transitions 273/3341 dead transitions. [2021-08-12 22:02:59,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 3341 transitions, 291428 flow [2021-08-12 22:02:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:02:59,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:02:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 177 transitions. [2021-08-12 22:02:59,034 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7866666666666666 [2021-08-12 22:02:59,034 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 177 transitions. [2021-08-12 22:02:59,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 177 transitions. [2021-08-12 22:02:59,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:02:59,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 177 transitions. [2021-08-12 22:02:59,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 11.8) internal successors, (177), 15 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) [2021-08-12 22:02:59,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:02:59,035 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:02:59,035 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 468 predicate places. [2021-08-12 22:02:59,035 INFO L482 AbstractCegarLoop]: Abstraction has has 484 places, 3341 transitions, 291428 flow [2021-08-12 22:02:59,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:59,035 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:02:59,036 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:02:59,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:02:59,241 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:02:59,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:02:59,241 INFO L82 PathProgramCache]: Analyzing trace with hash 219429742, now seen corresponding path program 43 times [2021-08-12 22:02:59,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:02:59,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207039515] [2021-08-12 22:02:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:02:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:02:59,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:02:59,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:02:59,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207039515] [2021-08-12 22:02:59,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207039515] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:59,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942549554] [2021-08-12 22:02:59,282 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 [2021-08-12 22:02:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:02:59,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:02:59,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:02:59,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:59,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:59,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:59,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:59,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:02:59,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:59,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:59,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:02:59,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:02:59,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:02:59,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:02:59,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:02:59,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:59,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:59,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:02:59,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:02:59,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:02:59,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:02:59,350 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:02:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:02:59,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:02:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:02:59,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942549554] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:02:59,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:02:59,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:02:59,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031509426] [2021-08-12 22:02:59,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:02:59,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:02:59,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:02:59,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:02:59,358 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:02:59,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 3341 transitions, 291428 flow. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:02:59,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:02:59,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:02:59,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:03:16,975 INFO L129 PetriNetUnfolder]: 1385/5456 cut-off events. [2021-08-12 22:03:16,975 INFO L130 PetriNetUnfolder]: For 47449/47511 co-relation queries the response was YES. [2021-08-12 22:03:16,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171732 conditions, 5456 events. 1385/5456 cut-off events. For 47449/47511 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 65615 event pairs, 0 based on Foata normal form. 16/5472 useless extension candidates. Maximal degree in co-relation 166872. Up to 3716 conditions per place. [2021-08-12 22:03:17,025 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 2828 selfloop transitions, 358 changer transitions 290/3509 dead transitions. [2021-08-12 22:03:17,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 3509 transitions, 313038 flow [2021-08-12 22:03:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 22:03:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 22:03:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 112 transitions. [2021-08-12 22:03:17,026 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8296296296296296 [2021-08-12 22:03:17,026 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 112 transitions. [2021-08-12 22:03:17,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 112 transitions. [2021-08-12 22:03:17,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:03:17,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 112 transitions. [2021-08-12 22:03:17,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 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) [2021-08-12 22:03:17,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:17,027 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:17,027 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 476 predicate places. [2021-08-12 22:03:17,028 INFO L482 AbstractCegarLoop]: Abstraction has has 492 places, 3509 transitions, 313038 flow [2021-08-12 22:03:17,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:17,028 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:03:17,028 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:03:17,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:03:17,252 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:03:17,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:03:17,252 INFO L82 PathProgramCache]: Analyzing trace with hash -441747952, now seen corresponding path program 44 times [2021-08-12 22:03:17,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:03:17,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950332760] [2021-08-12 22:03:17,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:03:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:03:17,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:17,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:17,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:03:17,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:03:17,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950332760] [2021-08-12 22:03:17,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950332760] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:03:17,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921568528] [2021-08-12 22:03:17,292 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 [2021-08-12 22:03:17,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:03:17,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:03:17,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:03:17,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:03:17,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:17,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:17,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:17,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:17,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:17,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:17,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:17,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:17,357 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:03:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:17,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:03:17,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921568528] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:03:17,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:03:17,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:03:17,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88642586] [2021-08-12 22:03:17,363 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:03:17,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:03:17,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:03:17,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:03:17,365 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:03:17,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 3509 transitions, 313038 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:17,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:03:17,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:03:17,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:03:35,493 INFO L129 PetriNetUnfolder]: 1394/5471 cut-off events. [2021-08-12 22:03:35,493 INFO L130 PetriNetUnfolder]: For 45993/45993 co-relation queries the response was YES. [2021-08-12 22:03:35,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176160 conditions, 5471 events. 1394/5471 cut-off events. For 45993/45993 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 65644 event pairs, 0 based on Foata normal form. 24/5495 useless extension candidates. Maximal degree in co-relation 171376. Up to 3729 conditions per place. [2021-08-12 22:03:35,548 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2705 selfloop transitions, 489 changer transitions 295/3522 dead transitions. [2021-08-12 22:03:35,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 3522 transitions, 321480 flow [2021-08-12 22:03:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 22:03:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 22:03:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 112 transitions. [2021-08-12 22:03:35,550 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8296296296296296 [2021-08-12 22:03:35,550 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 112 transitions. [2021-08-12 22:03:35,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 112 transitions. [2021-08-12 22:03:35,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:03:35,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 112 transitions. [2021-08-12 22:03:35,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 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) [2021-08-12 22:03:35,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:35,551 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:35,551 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 484 predicate places. [2021-08-12 22:03:35,551 INFO L482 AbstractCegarLoop]: Abstraction has has 500 places, 3522 transitions, 321480 flow [2021-08-12 22:03:35,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:35,551 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:03:35,551 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:03:35,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable93 [2021-08-12 22:03:35,774 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:03:35,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:03:35,774 INFO L82 PathProgramCache]: Analyzing trace with hash -123728685, now seen corresponding path program 45 times [2021-08-12 22:03:35,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:03:35,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279061791] [2021-08-12 22:03:35,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:03:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:03:35,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:35,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:35,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:03:35,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:03:35,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279061791] [2021-08-12 22:03:35,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279061791] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:03:35,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055160763] [2021-08-12 22:03:35,811 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 [2021-08-12 22:03:35,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-12 22:03:35,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:03:35,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:03:35,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:03:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:35,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:35,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:35,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:35,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:35,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:35,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:35,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:35,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:35,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:35,875 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:03:35,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:35,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:03:35,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055160763] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:03:35,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:03:35,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:03:35,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977063634] [2021-08-12 22:03:35,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:03:35,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:03:35,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:03:35,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:03:35,885 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:03:35,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 3522 transitions, 321480 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:35,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:03:35,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:03:35,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:03:54,859 INFO L129 PetriNetUnfolder]: 1398/5514 cut-off events. [2021-08-12 22:03:54,859 INFO L130 PetriNetUnfolder]: For 48513/48590 co-relation queries the response was YES. [2021-08-12 22:03:54,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181098 conditions, 5514 events. 1398/5514 cut-off events. For 48513/48590 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 66544 event pairs, 0 based on Foata normal form. 6/5520 useless extension candidates. Maximal degree in co-relation 176208. Up to 3753 conditions per place. [2021-08-12 22:03:55,035 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 1272 selfloop transitions, 1952 changer transitions 295/3552 dead transitions. [2021-08-12 22:03:55,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 3552 transitions, 331170 flow [2021-08-12 22:03:55,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 22:03:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 22:03:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 114 transitions. [2021-08-12 22:03:55,036 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-08-12 22:03:55,036 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 114 transitions. [2021-08-12 22:03:55,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 114 transitions. [2021-08-12 22:03:55,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:03:55,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 114 transitions. [2021-08-12 22:03:55,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:55,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:55,037 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 15.0) internal successors, (150), 10 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:55,037 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 492 predicate places. [2021-08-12 22:03:55,037 INFO L482 AbstractCegarLoop]: Abstraction has has 508 places, 3552 transitions, 331170 flow [2021-08-12 22:03:55,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:55,037 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:03:55,037 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:03:55,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:03:55,241 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:03:55,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:03:55,241 INFO L82 PathProgramCache]: Analyzing trace with hash -611625614, now seen corresponding path program 46 times [2021-08-12 22:03:55,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:03:55,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595219161] [2021-08-12 22:03:55,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:03:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:03:55,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:03:55,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:03:55,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595219161] [2021-08-12 22:03:55,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595219161] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:03:55,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593230804] [2021-08-12 22:03:55,287 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 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 [2021-08-12 22:03:55,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:03:55,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:03:55,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:03:55,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:03:55,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:03:55,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:55,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:55,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:03:55,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:03:55,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:03:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:03:55,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:03:55,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:03:55,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:03:55,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:03:55,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:03:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:03:55,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:03:55,391 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:03:55,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:03:55,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:03:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:03:55,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593230804] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:03:55,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:03:55,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-12 22:03:55,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369116965] [2021-08-12 22:03:55,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 22:03:55,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:03:55,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 22:03:55,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-08-12 22:03:55,397 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:03:55,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 3552 transitions, 331170 flow. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:03:55,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:03:55,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:03:55,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:04:15,586 INFO L129 PetriNetUnfolder]: 1406/5534 cut-off events. [2021-08-12 22:04:15,587 INFO L130 PetriNetUnfolder]: For 46918/46918 co-relation queries the response was YES. [2021-08-12 22:04:15,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185851 conditions, 5534 events. 1406/5534 cut-off events. For 46918/46918 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 66330 event pairs, 0 based on Foata normal form. 26/5560 useless extension candidates. Maximal degree in co-relation 181024. Up to 3771 conditions per place. [2021-08-12 22:04:15,640 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2989 selfloop transitions, 248 changer transitions 300/3570 dead transitions. [2021-08-12 22:04:15,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 3570 transitions, 340260 flow [2021-08-12 22:04:15,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:04:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:04:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 99 transitions. [2021-08-12 22:04:15,641 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.825 [2021-08-12 22:04:15,641 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 99 transitions. [2021-08-12 22:04:15,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 99 transitions. [2021-08-12 22:04:15,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:04:15,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 99 transitions. [2021-08-12 22:04:15,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.375) internal successors, (99), 8 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) [2021-08-12 22:04:15,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:15,642 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:15,642 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 499 predicate places. [2021-08-12 22:04:15,642 INFO L482 AbstractCegarLoop]: Abstraction has has 515 places, 3570 transitions, 340260 flow [2021-08-12 22:04:15,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:15,642 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:04:15,642 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:04:15,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:04:15,853 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:04:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:04:15,854 INFO L82 PathProgramCache]: Analyzing trace with hash -977636443, now seen corresponding path program 47 times [2021-08-12 22:04:15,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:04:15,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340536904] [2021-08-12 22:04:15,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:04:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:04:15,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:04:15,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:04:15,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340536904] [2021-08-12 22:04:15,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340536904] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:04:15,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311488348] [2021-08-12 22:04:15,896 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 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 [2021-08-12 22:04:15,918 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-12 22:04:15,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:04:15,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:04:15,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:04:15,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:04:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:04:15,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:04:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:04:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:04:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:04:15,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:04:15,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:04:15,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:04:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:04:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:04:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:04:15,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:15,960 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:04:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:15,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:04:15,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311488348] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:04:15,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:04:15,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-12 22:04:15,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803181361] [2021-08-12 22:04:15,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 22:04:15,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:04:15,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 22:04:15,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-08-12 22:04:15,968 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:04:15,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 3570 transitions, 340260 flow. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:15,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:04:15,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:04:15,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:04:37,807 INFO L129 PetriNetUnfolder]: 1425/5488 cut-off events. [2021-08-12 22:04:37,808 INFO L130 PetriNetUnfolder]: For 46983/46983 co-relation queries the response was YES. [2021-08-12 22:04:37,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191201 conditions, 5488 events. 1425/5488 cut-off events. For 46983/46983 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 65255 event pairs, 0 based on Foata normal form. 58/5546 useless extension candidates. Maximal degree in co-relation 186593. Up to 3804 conditions per place. [2021-08-12 22:04:37,861 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2047 selfloop transitions, 1240 changer transitions 300/3620 dead transitions. [2021-08-12 22:04:37,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 3620 transitions, 352498 flow [2021-08-12 22:04:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 22:04:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 22:04:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 136 transitions. [2021-08-12 22:04:37,862 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8242424242424242 [2021-08-12 22:04:37,862 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 136 transitions. [2021-08-12 22:04:37,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 136 transitions. [2021-08-12 22:04:37,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:04:37,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 136 transitions. [2021-08-12 22:04:37,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:37,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:04:37,863 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 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) [2021-08-12 22:04:37,863 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 509 predicate places. [2021-08-12 22:04:37,863 INFO L482 AbstractCegarLoop]: Abstraction has has 525 places, 3620 transitions, 352498 flow [2021-08-12 22:04:37,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:37,863 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:04:37,863 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:04:38,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2021-08-12 22:04:38,065 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:04:38,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:04:38,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1016364578, now seen corresponding path program 48 times [2021-08-12 22:04:38,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:04:38,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613699212] [2021-08-12 22:04:38,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:04:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:04:38,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:38,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:04:38,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:04:38,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:04:38,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613699212] [2021-08-12 22:04:38,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613699212] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:04:38,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252512218] [2021-08-12 22:04:38,137 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 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 [2021-08-12 22:04:38,181 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-08-12 22:04:38,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:04:38,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:04:38,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:04:38,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:04:38,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:04:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:04:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:04:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:04:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:04:38,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:04:38,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:04:38,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:04:38,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:04:38,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:04:38,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:04:38,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:04:38,303 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:04:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:04:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:04:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:04:38,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252512218] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:04:38,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:04:38,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:04:38,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073415098] [2021-08-12 22:04:38,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:04:38,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:04:38,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:04:38,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:04:38,311 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:04:38,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 3620 transitions, 352498 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:04:38,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:04:38,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:04:38,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:05:01,379 INFO L129 PetriNetUnfolder]: 1436/5568 cut-off events. [2021-08-12 22:05:01,380 INFO L130 PetriNetUnfolder]: For 47755/47755 co-relation queries the response was YES. [2021-08-12 22:05:01,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196936 conditions, 5568 events. 1436/5568 cut-off events. For 47755/47755 co-relation queries the response was YES. Maximal size of possible extension queue 573. Compared 66439 event pairs, 0 based on Foata normal form. 8/5576 useless extension candidates. Maximal degree in co-relation 192222. Up to 3840 conditions per place. [2021-08-12 22:05:01,444 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2393 selfloop transitions, 1005 changer transitions 312/3743 dead transitions. [2021-08-12 22:05:01,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 3743 transitions, 370892 flow [2021-08-12 22:05:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-12 22:05:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-08-12 22:05:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 101 transitions. [2021-08-12 22:05:01,445 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2021-08-12 22:05:01,445 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 101 transitions. [2021-08-12 22:05:01,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 101 transitions. [2021-08-12 22:05:01,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:05:01,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 101 transitions. [2021-08-12 22:05:01,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:01,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:01,448 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:01,448 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 516 predicate places. [2021-08-12 22:05:01,448 INFO L482 AbstractCegarLoop]: Abstraction has has 532 places, 3743 transitions, 370892 flow [2021-08-12 22:05:01,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:01,449 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:05:01,449 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:05:01,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-12 22:05:01,661 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:05:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:05:01,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1170713324, now seen corresponding path program 49 times [2021-08-12 22:05:01,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:05:01,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715786172] [2021-08-12 22:05:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:05:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:05:01,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:05:01,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:05:01,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715786172] [2021-08-12 22:05:01,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715786172] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:05:01,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441358959] [2021-08-12 22:05:01,724 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 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 [2021-08-12 22:05:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:05:01,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:05:01,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:05:01,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:01,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:01,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:05:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:01,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:05:01,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,789 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:05:01,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:01,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:01,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:05:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:01,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:05:01,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:01,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:05:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:01,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:01,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:05:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:01,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:01,801 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:05:01,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:01,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:05:01,809 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441358959] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:05:01,809 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:05:01,809 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-12 22:05:01,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831685397] [2021-08-12 22:05:01,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 22:05:01,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:05:01,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 22:05:01,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-12 22:05:01,810 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:05:01,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 3743 transitions, 370892 flow. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:01,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:05:01,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:05:01,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:05:25,767 INFO L129 PetriNetUnfolder]: 1431/5517 cut-off events. [2021-08-12 22:05:25,767 INFO L130 PetriNetUnfolder]: For 47628/47628 co-relation queries the response was YES. [2021-08-12 22:05:25,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200257 conditions, 5517 events. 1431/5517 cut-off events. For 47628/47628 co-relation queries the response was YES. Maximal size of possible extension queue 570. Compared 65613 event pairs, 0 based on Foata normal form. 22/5539 useless extension candidates. Maximal degree in co-relation 195645. Up to 3834 conditions per place. [2021-08-12 22:05:25,819 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1908 selfloop transitions, 1427 changer transitions 365/3732 dead transitions. [2021-08-12 22:05:25,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 3732 transitions, 377176 flow [2021-08-12 22:05:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 22:05:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-12 22:05:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 200 transitions. [2021-08-12 22:05:25,820 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7843137254901961 [2021-08-12 22:05:25,820 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 200 transitions. [2021-08-12 22:05:25,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 200 transitions. [2021-08-12 22:05:25,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:05:25,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 200 transitions. [2021-08-12 22:05:25,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 11.764705882352942) internal successors, (200), 17 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:25,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 15.0) internal successors, (270), 18 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:25,821 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 15.0) internal successors, (270), 18 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:25,821 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 532 predicate places. [2021-08-12 22:05:25,821 INFO L482 AbstractCegarLoop]: Abstraction has has 548 places, 3732 transitions, 377176 flow [2021-08-12 22:05:25,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:25,821 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:05:25,821 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:05:26,021 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-08-12 22:05:26,022 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:05:26,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:05:26,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2037446803, now seen corresponding path program 50 times [2021-08-12 22:05:26,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:05:26,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565652842] [2021-08-12 22:05:26,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:05:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:05:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:26,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:26,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:05:26,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:05:26,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565652842] [2021-08-12 22:05:26,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565652842] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:05:26,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092586813] [2021-08-12 22:05:26,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-08-12 22:05:26,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-12 22:05:26,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:05:26,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:05:26,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:05:26,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:26,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:05:26,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:26,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:05:26,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:26,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:05:26,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:26,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:05:26,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,119 INFO L142 QuantifierPusher]: treesize reduction 1, result has 91.7 percent of original size [2021-08-12 22:05:26,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:05:26,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:05:26,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:26,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:26,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:05:26,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:26,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:26,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:05:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:26,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:26,126 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:05:26,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:26,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:05:26,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092586813] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:05:26,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:05:26,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:05:26,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251642767] [2021-08-12 22:05:26,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:05:26,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:05:26,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:05:26,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:05:26,135 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:05:26,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 3732 transitions, 377176 flow. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:26,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:05:26,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:05:26,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:05:49,801 INFO L129 PetriNetUnfolder]: 1421/5458 cut-off events. [2021-08-12 22:05:49,802 INFO L130 PetriNetUnfolder]: For 48083/48158 co-relation queries the response was YES. [2021-08-12 22:05:49,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202408 conditions, 5458 events. 1421/5458 cut-off events. For 48083/48158 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 64699 event pairs, 0 based on Foata normal form. 23/5481 useless extension candidates. Maximal degree in co-relation 197924. Up to 3804 conditions per place. [2021-08-12 22:05:49,917 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 1711 selfloop transitions, 1584 changer transitions 377/3704 dead transitions. [2021-08-12 22:05:49,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 3704 transitions, 381640 flow [2021-08-12 22:05:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:05:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:05:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 179 transitions. [2021-08-12 22:05:49,918 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7955555555555556 [2021-08-12 22:05:49,918 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 179 transitions. [2021-08-12 22:05:49,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 179 transitions. [2021-08-12 22:05:49,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:05:49,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 179 transitions. [2021-08-12 22:05:49,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 11.933333333333334) internal successors, (179), 15 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) [2021-08-12 22:05:49,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:05:49,919 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:05:49,919 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 546 predicate places. [2021-08-12 22:05:49,919 INFO L482 AbstractCegarLoop]: Abstraction has has 562 places, 3704 transitions, 381640 flow [2021-08-12 22:05:49,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:05:49,919 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:05:49,919 INFO L266 CegarLoopForPetriNet]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:05:50,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-08-12 22:05:50,120 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:05:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:05:50,120 INFO L82 PathProgramCache]: Analyzing trace with hash -858538334, now seen corresponding path program 51 times [2021-08-12 22:05:50,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:05:50,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290686701] [2021-08-12 22:05:50,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:05:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:05:50,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:50,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:05:50,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:05:50,157 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:05:50,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290686701] [2021-08-12 22:05:50,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290686701] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:05:50,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279166929] [2021-08-12 22:05:50,157 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 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 [2021-08-12 22:05:50,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-12 22:05:50,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:05:50,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-12 22:05:50,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:05:50,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:05:50,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:05:50,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:50,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:50,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:50,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:05:50,245 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.3 percent of original size [2021-08-12 22:05:50,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:50,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:05:50,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:05:50,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-12 22:05:50,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:05:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:05:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-12 22:05:50,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279166929] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:05:50,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:05:50,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-08-12 22:05:50,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212012457] [2021-08-12 22:05:50,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 22:05:50,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:05:50,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 22:05:50,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-08-12 22:05:50,253 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:05:50,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 562 places, 3704 transitions, 381640 flow. Second operand has 15 states, 15 states have (on average 10.266666666666667) internal successors, (154), 15 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) [2021-08-12 22:05:50,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:05:50,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:05:50,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:06:28,824 INFO L129 PetriNetUnfolder]: 2165/7520 cut-off events. [2021-08-12 22:06:28,824 INFO L130 PetriNetUnfolder]: For 64538/64538 co-relation queries the response was YES. [2021-08-12 22:06:28,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304532 conditions, 7520 events. 2165/7520 cut-off events. For 64538/64538 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 91415 event pairs, 0 based on Foata normal form. 191/7711 useless extension candidates. Maximal degree in co-relation 299545. Up to 5626 conditions per place. [2021-08-12 22:06:28,919 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 2973 selfloop transitions, 1899 changer transitions 584/5488 dead transitions. [2021-08-12 22:06:28,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 5488 transitions, 580620 flow [2021-08-12 22:06:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-08-12 22:06:28,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-08-12 22:06:28,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 532 transitions. [2021-08-12 22:06:28,921 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7710144927536232 [2021-08-12 22:06:28,921 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 532 transitions. [2021-08-12 22:06:28,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 532 transitions. [2021-08-12 22:06:28,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:06:28,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 532 transitions. [2021-08-12 22:06:28,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 11.565217391304348) internal successors, (532), 46 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:06:28,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 15.0) internal successors, (705), 47 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:06:28,924 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 15.0) internal successors, (705), 47 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:06:28,924 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 591 predicate places. [2021-08-12 22:06:28,924 INFO L482 AbstractCegarLoop]: Abstraction has has 607 places, 5488 transitions, 580620 flow [2021-08-12 22:06:28,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 10.266666666666667) internal successors, (154), 15 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) [2021-08-12 22:06:28,924 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:06:28,924 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:06:29,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-08-12 22:06:29,147 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:06:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:06:29,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1938783311, now seen corresponding path program 52 times [2021-08-12 22:06:29,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:06:29,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569185791] [2021-08-12 22:06:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:06:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:06:29,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:06:29,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:06:29,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:06:29,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569185791] [2021-08-12 22:06:29,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569185791] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:06:29,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311559380] [2021-08-12 22:06:29,188 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 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 [2021-08-12 22:06:29,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-12 22:06:29,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:06:29,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:06:29,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:06:29,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:06:29,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:06:29,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:06:29,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:06:29,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:06:29,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:06:29,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:06:29,257 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-12 22:06:29,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:06:29,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:06:29,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:06:29,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:06:29,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:06:29,263 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-08-12 22:06:29,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:06:29,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:06:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:06:29,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311559380] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:06:29,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:06:29,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-12 22:06:29,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967758025] [2021-08-12 22:06:29,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 22:06:29,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:06:29,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 22:06:29,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 22:06:29,273 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:06:29,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 5488 transitions, 580620 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:06:29,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:06:29,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:06:29,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:07:39,159 INFO L129 PetriNetUnfolder]: 2162/7444 cut-off events. [2021-08-12 22:07:39,159 INFO L130 PetriNetUnfolder]: For 65586/65589 co-relation queries the response was YES. [2021-08-12 22:07:39,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307902 conditions, 7444 events. 2162/7444 cut-off events. For 65586/65589 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 90117 event pairs, 0 based on Foata normal form. 21/7465 useless extension candidates. Maximal degree in co-relation 303147. Up to 5587 conditions per place. [2021-08-12 22:07:39,245 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 2124 selfloop transitions, 2708 changer transitions 591/5452 dead transitions. [2021-08-12 22:07:39,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 5452 transitions, 587926 flow [2021-08-12 22:07:39,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-12 22:07:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-08-12 22:07:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 177 transitions. [2021-08-12 22:07:39,250 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7866666666666666 [2021-08-12 22:07:39,250 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 177 transitions. [2021-08-12 22:07:39,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 177 transitions. [2021-08-12 22:07:39,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:07:39,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 177 transitions. [2021-08-12 22:07:39,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 11.8) internal successors, (177), 15 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) [2021-08-12 22:07:39,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:07:39,251 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 15.0) internal successors, (240), 16 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) [2021-08-12 22:07:39,251 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 605 predicate places. [2021-08-12 22:07:39,251 INFO L482 AbstractCegarLoop]: Abstraction has has 621 places, 5452 transitions, 587926 flow [2021-08-12 22:07:39,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:07:39,252 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:07:39,252 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:07:39,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-08-12 22:07:39,554 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:07:39,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:07:39,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1853904617, now seen corresponding path program 53 times [2021-08-12 22:07:39,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:07:39,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960289565] [2021-08-12 22:07:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:07:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:07:39,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:07:39,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:07:39,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960289565] [2021-08-12 22:07:39,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960289565] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:07:39,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167877108] [2021-08-12 22:07:39,607 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 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 [2021-08-12 22:07:39,628 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-08-12 22:07:39,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:07:39,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:07:39,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:07:39,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:07:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:07:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:07:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:07:39,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:07:39,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:07:39,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:07:39,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:07:39,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:07:39,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:07:39,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:07:39,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:07:39,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:07:39,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:07:39,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:07:39,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:07:39,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:07:39,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:07:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:07:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:07:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:07:39,712 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:07:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:07:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:07:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:07:39,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167877108] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:07:39,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:07:39,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-08-12 22:07:39,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130786626] [2021-08-12 22:07:39,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-08-12 22:07:39,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:07:39,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-12 22:07:39,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-08-12 22:07:39,718 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:07:39,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 5452 transitions, 587926 flow. Second operand has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 14 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:07:39,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:07:39,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:07:39,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:08:46,256 INFO L129 PetriNetUnfolder]: 2434/7983 cut-off events. [2021-08-12 22:08:46,257 INFO L130 PetriNetUnfolder]: For 70135/70210 co-relation queries the response was YES. [2021-08-12 22:08:46,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 348038 conditions, 7983 events. 2434/7983 cut-off events. For 70135/70210 co-relation queries the response was YES. Maximal size of possible extension queue 875. Compared 95697 event pairs, 0 based on Foata normal form. 39/8022 useless extension candidates. Maximal degree in co-relation 343463. Up to 6205 conditions per place. [2021-08-12 22:08:46,348 INFO L132 encePairwiseOnDemand]: 10/15 looper letters, 4455 selfloop transitions, 1026 changer transitions 594/6104 dead transitions. [2021-08-12 22:08:46,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 6104 transitions, 671704 flow [2021-08-12 22:08:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 22:08:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-12 22:08:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 269 transitions. [2021-08-12 22:08:46,357 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8151515151515152 [2021-08-12 22:08:46,357 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 269 transitions. [2021-08-12 22:08:46,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 269 transitions. [2021-08-12 22:08:46,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:08:46,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 269 transitions. [2021-08-12 22:08:46,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 12.227272727272727) internal successors, (269), 22 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) [2021-08-12 22:08:46,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 15.0) internal successors, (345), 23 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:08:46,359 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 15.0) internal successors, (345), 23 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:08:46,359 INFO L348 CegarLoopForPetriNet]: 16 programPoint places, 626 predicate places. [2021-08-12 22:08:46,359 INFO L482 AbstractCegarLoop]: Abstraction has has 642 places, 6104 transitions, 671704 flow [2021-08-12 22:08:46,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 14 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:08:46,359 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:08:46,359 INFO L266 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:08:46,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-08-12 22:08:46,582 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:08:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:08:46,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1822395305, now seen corresponding path program 54 times [2021-08-12 22:08:46,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:08:46,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781514737] [2021-08-12 22:08:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:08:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:08:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:08:46,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:08:46,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781514737] [2021-08-12 22:08:46,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781514737] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:08:46,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308809881] [2021-08-12 22:08:46,631 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 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 [2021-08-12 22:08:46,653 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-12 22:08:46,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-12 22:08:46,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-12 22:08:46,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-12 22:08:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 22:08:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:08:46,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:08:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 22:08:46,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-12 22:08:46,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 22:08:46,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 22:08:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:08:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:08:46,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:08:46,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:08:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:08:46,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:08:46,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:08:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-12 22:08:46,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-12 22:08:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 22:08:46,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 22:08:46,701 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-08-12 22:08:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:08:46,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:08:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-12 22:08:46,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308809881] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-12 22:08:46,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-12 22:08:46,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-08-12 22:08:46,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978933456] [2021-08-12 22:08:46,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-12 22:08:46,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:08:46,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-12 22:08:46,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-08-12 22:08:46,707 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 15 [2021-08-12 22:08:46,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 6104 transitions, 671704 flow. Second operand has 12 states, 12 states have (on average 10.166666666666666) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:08:46,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:08:46,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 15 [2021-08-12 22:08:46,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-08-12 22:09:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 22:09:36,375 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-08-12 22:09:36,375 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-12 22:09:36,377 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 22:09:36,378 WARN L188 ceAbstractionStarter]: Timeout [2021-08-12 22:09:36,379 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 10:09:36 BasicIcfg [2021-08-12 22:09:36,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 22:09:36,379 INFO L168 Benchmark]: Toolchain (without parser) took 566240.43 ms. Allocated memory was 169.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 151.6 MB in the beginning and 470.8 MB in the end (delta: -319.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 8.0 GB. [2021-08-12 22:09:36,379 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.61 ms. Allocated memory is still 169.9 MB. Free memory is still 152.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 22:09:36,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.35 ms. Allocated memory is still 169.9 MB. Free memory was 151.6 MB in the beginning and 150.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 22:09:36,380 INFO L168 Benchmark]: Boogie Preprocessor took 19.61 ms. Allocated memory is still 169.9 MB. Free memory was 150.1 MB in the beginning and 149.2 MB in the end (delta: 949.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 22:09:36,380 INFO L168 Benchmark]: RCFGBuilder took 272.80 ms. Allocated memory is still 169.9 MB. Free memory was 149.2 MB in the beginning and 135.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-12 22:09:36,380 INFO L168 Benchmark]: TraceAbstraction took 565907.17 ms. Allocated memory was 169.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 134.7 MB in the beginning and 470.8 MB in the end (delta: -336.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-12 22:09:36,380 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 0.61 ms. Allocated memory is still 169.9 MB. Free memory is still 152.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.35 ms. Allocated memory is still 169.9 MB. Free memory was 151.6 MB in the beginning and 150.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.61 ms. Allocated memory is still 169.9 MB. Free memory was 150.1 MB in the beginning and 149.2 MB in the end (delta: 949.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 272.80 ms. Allocated memory is still 169.9 MB. Free memory was 149.2 MB in the beginning and 135.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 565907.17 ms. Allocated memory was 169.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 134.7 MB in the beginning and 470.8 MB in the end (delta: -336.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (12states, 9/15 universal loopers) in iteration 58,while PetriNetUnfolder was constructing finite prefix that currently has 209614 conditions, 3936 events (1315/3935 cut-off events. For 38742/38831 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 47309 event pairs, 0 based on Foata normal form. 11/4876 useless extension candidates. Maximal degree in co-relation 209388. Up to 3704 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 20 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 565801.4ms, OverallIterations: 58, TraceHistogramMax: 5, EmptinessCheckTime: 0.0ms, AutomataDifference: 544328.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 72 SDtfs, 889 SDslu, 8 SDs, 0 SdLazy, 4158 SolverSat, 928 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2654.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1455 GetRequests, 741 SyntacticMatches, 24 SemanticMatches, 690 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2088 ImplicationChecksByTransitivity, 4180.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=671704occurred in iteration=57, InterpolantAutomatonStates: 683, 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: 231.1ms SsaConstructionTime, 667.9ms SatisfiabilityAnalysisTime, 7039.0ms InterpolantComputationTime, 1653 NumberOfCodeBlocks, 1651 NumberOfCodeBlocksAsserted, 192 NumberOfCheckSat, 1539 ConstructedInterpolants, 0 QuantifiedInterpolants, 6137 SizeOfPredicates, 41 NumberOfNonLiveVariables, 3011 ConjunctsInSsa, 512 ConjunctsInUnsatCore, 114 InterpolantComputations, 2 PerfectInterpolantSequences, 458/1367 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