/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min2-max2-sample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-10 12:11:24,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-10 12:11:24,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-10 12:11:24,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-10 12:11:24,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-10 12:11:24,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-10 12:11:24,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-10 12:11:24,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-10 12:11:24,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-10 12:11:24,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-10 12:11:24,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-10 12:11:24,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-10 12:11:24,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-10 12:11:24,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-10 12:11:24,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-10 12:11:24,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-10 12:11:24,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-10 12:11:24,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-10 12:11:24,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-10 12:11:24,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-10 12:11:24,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-10 12:11:24,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-10 12:11:24,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-10 12:11:24,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-10 12:11:24,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-10 12:11:24,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-10 12:11:24,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-10 12:11:24,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-10 12:11:24,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-10 12:11:24,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-10 12:11:24,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-10 12:11:24,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-10 12:11:24,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-10 12:11:24,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-10 12:11:24,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-10 12:11:24,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-10 12:11:24,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-10 12:11:24,212 INFO L138 SettingsManager]: * Use SBE=true [2022-10-10 12:11:24,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-10 12:11:24,212 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-10 12:11:24,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-10 12:11:24,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-10 12:11:24,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-10 12:11:24,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-10 12:11:24,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-10 12:11:24,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-10 12:11:24,214 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-10 12:11:24,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-10 12:11:24,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-10 12:11:24,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-10 12:11:24,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-10 12:11:24,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-10 12:11:24,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-10 12:11:24,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-10 12:11:24,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 12:11:24,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-10 12:11:24,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-10 12:11:24,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-10 12:11:24,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-10 12:11:24,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-10 12:11:24,216 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-10 12:11:24,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-10 12:11:24,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-10 12:11:24,216 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-10 12:11:24,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-10-10 12:11:24,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-10 12:11:24,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-10 12:11:24,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-10 12:11:24,569 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-10 12:11:24,570 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-10 12:11:24,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min2-max2-sample.bpl [2022-10-10 12:11:24,572 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min2-max2-sample.bpl' [2022-10-10 12:11:24,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-10 12:11:24,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-10 12:11:24,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-10 12:11:24,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-10 12:11:24,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-10 12:11:24,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,638 INFO L138 Inliner]: procedures = 4, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-10 12:11:24,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-10 12:11:24,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-10 12:11:24,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-10 12:11:24,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-10 12:11:24,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-10 12:11:24,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-10 12:11:24,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-10 12:11:24,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-10 12:11:24,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/1) ... [2022-10-10 12:11:24,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 12:11:24,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 12:11:24,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-10 12:11:24,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-10 12:11:24,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration [2022-10-10 12:11:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax [2022-10-10 12:11:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax [2022-10-10 12:11:24,720 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-10 12:11:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-10 12:11:24,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-10 12:11:24,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-10-10 12:11:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-10-10 12:11:24,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-10-10 12:11:24,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration [2022-10-10 12:11:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin [2022-10-10 12:11:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin [2022-10-10 12:11:24,724 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-10 12:11:24,767 INFO L234 CfgBuilder]: Building ICFG [2022-10-10 12:11:24,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-10 12:11:24,842 INFO L275 CfgBuilder]: Performing block encoding [2022-10-10 12:11:24,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-10 12:11:24,856 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-10 12:11:24,858 INFO L202 PluginConnector]: Adding new model min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 12:11:24 BoogieIcfgContainer [2022-10-10 12:11:24,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-10 12:11:24,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-10 12:11:24,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-10 12:11:24,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-10 12:11:24,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:11:24" (1/2) ... [2022-10-10 12:11:24,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bd0df7 and model type min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 12:11:24, skipping insertion in model container [2022-10-10 12:11:24,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min2-max2-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 12:11:24" (2/2) ... [2022-10-10 12:11:24,868 INFO L112 eAbstractionObserver]: Analyzing ICFG min2-max2-sample.bpl [2022-10-10 12:11:24,875 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-10 12:11:24,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-10 12:11:24,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-10 12:11:24,884 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-10 12:11:24,976 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-10 12:11:25,031 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 12:11:25,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 12:11:25,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 12:11:25,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-10 12:11:25,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-10 12:11:25,088 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 12:11:25,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-10 12:11:25,113 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20f84cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 12:11:25,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 12:11:25,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:25,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:25,559 INFO L85 PathProgramCache]: Analyzing trace with hash 672678148, now seen corresponding path program 1 times [2022-10-10 12:11:25,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:25,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683079387] [2022-10-10 12:11:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:11:25,759 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-10 12:11:25,760 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:11:25,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683079387] [2022-10-10 12:11:25,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683079387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 12:11:25,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 12:11:25,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-10 12:11:25,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200034207] [2022-10-10 12:11:25,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 12:11:25,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-10 12:11:25,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:11:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-10 12:11:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-10 12:11:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:25,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:11:25,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 12:11:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:25,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:25,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-10 12:11:25,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:25,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:25,949 INFO L85 PathProgramCache]: Analyzing trace with hash -325012856, now seen corresponding path program 2 times [2022-10-10 12:11:25,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:25,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675918113] [2022-10-10 12:11:25,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:25,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:11:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-10 12:11:26,221 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:11:26,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675918113] [2022-10-10 12:11:26,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675918113] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:11:26,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:11:26,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-10 12:11:26,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091345249] [2022-10-10 12:11:26,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:11:26,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-10 12:11:26,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:11:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-10 12:11:26,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-10 12:11:26,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:26,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:11:26,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 12:11:26,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:26,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:26,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-10 12:11:26,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:26,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1080112334, now seen corresponding path program 3 times [2022-10-10 12:11:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:26,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134917158] [2022-10-10 12:11:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:11:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-10 12:11:26,764 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:11:26,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134917158] [2022-10-10 12:11:26,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134917158] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:11:26,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:11:26,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-10 12:11:26,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138009395] [2022-10-10 12:11:26,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:11:26,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-10 12:11:26,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:11:26,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-10 12:11:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-10-10 12:11:26,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:26,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:11:26,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 12:11:26,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:26,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:26,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-10 12:11:27,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-10 12:11:27,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:27,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:27,102 INFO L85 PathProgramCache]: Analyzing trace with hash 77375292, now seen corresponding path program 4 times [2022-10-10 12:11:27,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:27,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904692926] [2022-10-10 12:11:27,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:27,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:11:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-10 12:11:27,212 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:11:27,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904692926] [2022-10-10 12:11:27,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904692926] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:11:27,212 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:11:27,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-10 12:11:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918827680] [2022-10-10 12:11:27,213 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:11:27,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-10 12:11:27,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:11:27,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-10 12:11:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-10-10 12:11:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:27,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:11:27,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 12:11:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-10 12:11:27,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:11:27,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-10 12:11:27,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-10 12:11:27,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:27,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:27,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1873532458, now seen corresponding path program 5 times [2022-10-10 12:11:27,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:27,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049592990] [2022-10-10 12:11:27,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:27,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:11:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 76 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-10 12:11:27,749 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:11:27,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049592990] [2022-10-10 12:11:27,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049592990] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:11:27,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:11:27,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-10 12:11:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154608867] [2022-10-10 12:11:27,750 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:11:27,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-10 12:11:27,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:11:27,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-10 12:11:27,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-10-10 12:11:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:27,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:11:27,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-10 12:11:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:11:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-10 12:11:27,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-10 12:11:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:11:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-10 12:11:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-10 12:11:28,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-10 12:11:28,068 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:28,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:28,069 INFO L85 PathProgramCache]: Analyzing trace with hash 481670288, now seen corresponding path program 6 times [2022-10-10 12:11:28,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:28,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100741305] [2022-10-10 12:11:28,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:28,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-10 12:21:07,446 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-10 12:21:07,446 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-10 12:21:08,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-10-10 12:21:08,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown