/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:08:16,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:08:16,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:08:16,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 01:08:16,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 01:08:16,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 01:08:16,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 01:08:16,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 01:08:16,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 01:08:16,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 01:08:16,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 01:08:16,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 01:08:16,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 01:08:16,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 01:08:16,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 01:08:16,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 01:08:16,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 01:08:16,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 01:08:16,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 01:08:16,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 01:08:16,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 01:08:16,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 01:08:16,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 01:08:16,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 01:08:16,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 01:08:16,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 01:08:16,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 01:08:16,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 01:08:16,577 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-04 01:08:16,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:08:16,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:08:16,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:08:16,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:08:16,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:08:16,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:08:16,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:08:16,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:08:16,593 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:08:16,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:08:16,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:08:16,594 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:08:16,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:08:16,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:08:16,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:08:16,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:08:16,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:08:16,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:08:16,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:08:16,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:08:16,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:08:16,602 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:08:16,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:08:16,603 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:08:16,604 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:08:16,604 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:08:16,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:08:16,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:08:16,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:08:16,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:08:16,774 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:08:16,775 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:08:16,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2022-03-04 01:08:16,776 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2022-03-04 01:08:16,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:08:16,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:08:16,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:08:16,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:08:16,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:08:16,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,821 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:08:16,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:08:16,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:08:16,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:08:16,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:08:16,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:08:16,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:08:16,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:08:16,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:08:16,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/1) ... [2022-03-04 01:08:16,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:08:16,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:16,874 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) [2022-03-04 01:08:16,885 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 [2022-03-04 01:08:16,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:08:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:08:16,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:08:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:08:16,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:08:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:08:16,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 01:08:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 01:08:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 01:08:16,904 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 01:08:16,943 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:08:16,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:08:17,023 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:08:17,035 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:08:17,036 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:08:17,037 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:08:17 BoogieIcfgContainer [2022-03-04 01:08:17,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:08:17,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:08:17,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:08:17,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:08:17,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:16" (1/2) ... [2022-03-04 01:08:17,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79125c46 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:08:17, skipping insertion in model container [2022-03-04 01:08:17,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:08:17" (2/2) ... [2022-03-04 01:08:17,049 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2022-03-04 01:08:17,052 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:08:17,053 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:08:17,053 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:08:17,053 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:08:17,117 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 01:08:17,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:08:17,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:17,162 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) [2022-03-04 01:08:17,163 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 [2022-03-04 01:08:17,183 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:08:17,187 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-04 01:08:17,188 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 01:08:17,535 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 583 transitions and produced 495 states. [2022-03-04 01:08:17,537 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:08:17,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:08:17,543 INFO L85 PathProgramCache]: Analyzing trace with hash -2123565567, now seen corresponding path program 1 times [2022-03-04 01:08:17,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:08:17,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787750005] [2022-03-04 01:08:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:08:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-03-04 01:08:18,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:08:18,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787750005] [2022-03-04 01:08:18,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787750005] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:08:18,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694526742] [2022-03-04 01:08:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:18,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:08:18,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:18,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:08:18,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 01:08:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:18,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 27 conjunts are in the unsatisfiable core [2022-03-04 01:08:18,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:08:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 719 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-03-04 01:08:18,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:08:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 719 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-03-04 01:08:19,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694526742] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:08:19,284 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:08:19,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 44 [2022-03-04 01:08:19,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860495112] [2022-03-04 01:08:19,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:08:19,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-04 01:08:19,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:08:19,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-04 01:08:19,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=1483, Unknown=0, NotChecked=0, Total=1980 [2022-03-04 01:08:19,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:19,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:08:19,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.666666666666667) internal successors, (210), 44 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) [2022-03-04 01:08:19,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:21,357 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1118 transitions and produced 806 states. [2022-03-04 01:08:21,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:08:21,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 01:08:21,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 01:08:21,572 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:08:21,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:08:21,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1405781380, now seen corresponding path program 2 times [2022-03-04 01:08:21,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:08:21,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313957459] [2022-03-04 01:08:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:21,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:08:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2022-03-04 01:08:21,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:08:21,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313957459] [2022-03-04 01:08:21,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313957459] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:08:21,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514260320] [2022-03-04 01:08:21,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:08:21,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:08:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:21,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:08:21,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 01:08:21,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:08:21,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:08:21,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 52 conjunts are in the unsatisfiable core [2022-03-04 01:08:21,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:08:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 1925 proven. 308 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-04 01:08:22,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:08:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 1925 proven. 308 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-04 01:08:23,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514260320] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:08:23,312 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:08:23,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 30, 30] total 57 [2022-03-04 01:08:23,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447488882] [2022-03-04 01:08:23,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:08:23,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-03-04 01:08:23,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:08:23,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-03-04 01:08:23,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=897, Invalid=2409, Unknown=0, NotChecked=0, Total=3306 [2022-03-04 01:08:23,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:23,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:08:23,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.051724137931035) internal successors, (293), 57 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:08:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:08:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:26,686 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1522 transitions and produced 1058 states. [2022-03-04 01:08:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:08:26,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:08:26,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 01:08:26,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:08:26,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:08:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:08:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash -322988771, now seen corresponding path program 3 times [2022-03-04 01:08:26,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:08:26,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385864789] [2022-03-04 01:08:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:08:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 1129 refuted. 0 times theorem prover too weak. 3553 trivial. 0 not checked. [2022-03-04 01:08:27,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:08:27,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385864789] [2022-03-04 01:08:27,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385864789] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:08:27,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639877672] [2022-03-04 01:08:27,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 01:08:27,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:08:27,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:27,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:08:27,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 01:08:27,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2022-03-04 01:08:27,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:08:27,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 01:08:27,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:08:28,102 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 01:08:28,103 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2022-03-04 01:08:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 1057 refuted. 0 times theorem prover too weak. 3625 trivial. 0 not checked. [2022-03-04 01:08:28,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:08:28,825 INFO L353 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2022-03-04 01:08:28,825 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2022-03-04 01:08:29,478 INFO L353 Elim1Store]: treesize reduction 30, result has 94.3 percent of original size [2022-03-04 01:08:29,479 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 27 treesize of output 542 [2022-03-04 01:12:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 37 proven. 1020 refuted. 0 times theorem prover too weak. 3625 trivial. 0 not checked. [2022-03-04 01:12:12,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639877672] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:12:12,404 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:12:12,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 31 [2022-03-04 01:12:12,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145113683] [2022-03-04 01:12:12,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:12:12,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-04 01:12:12,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:12:12,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-04 01:12:12,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=913, Unknown=0, NotChecked=0, Total=992 [2022-03-04 01:12:12,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:12,406 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:12:12,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.75) internal successors, (120), 31 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) [2022-03-04 01:12:12,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:12:12,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:12:12,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:13,384 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1496 transitions and produced 1077 states. [2022-03-04 01:12:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:12:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:12:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 01:12:13,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 01:12:13,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:13,605 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:12:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:12:13,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1127513478, now seen corresponding path program 4 times [2022-03-04 01:12:13,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:12:13,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014301385] [2022-03-04 01:12:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:12:13,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:12:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:12:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 3411 trivial. 0 not checked. [2022-03-04 01:12:13,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:12:13,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014301385] [2022-03-04 01:12:13,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014301385] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:12:13,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003883354] [2022-03-04 01:12:13,900 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:12:13,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:12:13,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:12:13,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 01:12:14,008 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:12:14,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:12:14,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-04 01:12:14,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:12:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 3689 proven. 908 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-04 01:12:15,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:12:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 3689 proven. 908 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-04 01:12:15,968 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003883354] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:12:15,968 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:12:15,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 42, 42] total 73 [2022-03-04 01:12:15,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604795337] [2022-03-04 01:12:15,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:12:15,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-03-04 01:12:15,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:12:15,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-03-04 01:12:15,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1475, Invalid=3927, Unknown=0, NotChecked=0, Total=5402 [2022-03-04 01:12:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:15,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:12:15,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.148648648648648) internal successors, (381), 73 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:12:15,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:12:15,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:12:15,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 01:12:15,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:21,319 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1970 transitions and produced 1333 states. [2022-03-04 01:12:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:12:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:12:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 01:12:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-04 01:12:21,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 01:12:21,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:21,537 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:12:21,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:12:21,538 INFO L85 PathProgramCache]: Analyzing trace with hash -642620901, now seen corresponding path program 5 times [2022-03-04 01:12:21,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:12:21,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105312608] [2022-03-04 01:12:21,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:12:21,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:12:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:12:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 0 proven. 1883 refuted. 0 times theorem prover too weak. 6081 trivial. 0 not checked. [2022-03-04 01:12:21,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:12:21,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105312608] [2022-03-04 01:12:21,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105312608] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:12:21,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839992361] [2022-03-04 01:12:21,890 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 01:12:21,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:21,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:12:21,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:12:21,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 01:12:22,165 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2022-03-04 01:12:22,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:12:22,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 100 conjunts are in the unsatisfiable core [2022-03-04 01:12:22,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:12:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 6029 proven. 1796 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-03-04 01:12:24,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:12:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 6029 proven. 1796 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-03-04 01:12:24,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839992361] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:12:24,832 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:12:24,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 54, 54] total 87 [2022-03-04 01:12:24,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085147469] [2022-03-04 01:12:24,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:12:24,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-03-04 01:12:24,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:12:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-03-04 01:12:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2193, Invalid=5463, Unknown=0, NotChecked=0, Total=7656 [2022-03-04 01:12:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:24,836 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:12:24,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 5.238636363636363) internal successors, (461), 87 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:12:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:12:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:12:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 01:12:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-04 01:12:24,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:31,919 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2374 transitions and produced 1585 states. [2022-03-04 01:12:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-04 01:12:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 01:12:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 01:12:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-04 01:12:31,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 01:12:31,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 01:12:32,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:32,125 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:12:32,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:12:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash -620200132, now seen corresponding path program 6 times [2022-03-04 01:12:32,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:12:32,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480544009] [2022-03-04 01:12:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:12:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:12:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:12:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12089 backedges. 0 proven. 2566 refuted. 0 times theorem prover too weak. 9523 trivial. 0 not checked. [2022-03-04 01:12:32,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:12:32,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480544009] [2022-03-04 01:12:32,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480544009] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:12:32,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193753630] [2022-03-04 01:12:32,501 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 01:12:32,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:32,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:12:32,502 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:12:32,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 01:12:33,091 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 66 check-sat command(s) [2022-03-04 01:12:33,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:12:33,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-04 01:12:33,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:12:37,006 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 01:12:37,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 44 treesize of output 320 [2022-03-04 01:12:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12089 backedges. 0 proven. 2452 refuted. 0 times theorem prover too weak. 9637 trivial. 0 not checked. [2022-03-04 01:12:40,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:12:41,651 INFO L353 Elim1Store]: treesize reduction 5, result has 80.8 percent of original size [2022-03-04 01:12:41,651 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2022-03-04 01:12:44,022 INFO L353 Elim1Store]: treesize reduction 45, result has 96.3 percent of original size [2022-03-04 01:12:44,025 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 39 treesize of output 1247 Received shutdown request... [2022-03-04 01:22:12,676 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-03-04 01:22:12,677 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:22:12,677 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 [2022-03-04 01:22:12,676 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 [2022-03-04 01:22:12,680 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 01:22:12,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 01:22:12,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:12,896 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-12-2-3-2-3-4-11-2-8-2-23-2-6-2-3-3-15-2-4-2-3-2-4-2-3-2-13-2-2-3-8-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-3-2-2-2-1 context. [2022-03-04 01:22:12,897 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 01:22:12,897 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 01:22:12,897 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 01:22:12,902 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 01:22:12,904 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:22:12,904 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:22:12,906 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:22:12 BasicIcfg [2022-03-04 01:22:12,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:22:12,906 INFO L158 Benchmark]: Toolchain (without parser) took 836105.20ms. Allocated memory was 210.8MB in the beginning and 992.0MB in the end (delta: 781.2MB). Free memory was 170.2MB in the beginning and 454.0MB in the end (delta: -283.8MB). Peak memory consumption was 675.3MB. Max. memory is 8.0GB. [2022-03-04 01:22:12,906 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 210.8MB. Free memory is still 171.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:22:12,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.32ms. Allocated memory is still 210.8MB. Free memory was 170.2MB in the beginning and 168.6MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 01:22:12,907 INFO L158 Benchmark]: Boogie Preprocessor took 21.55ms. Allocated memory is still 210.8MB. Free memory was 168.6MB in the beginning and 167.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:22:12,907 INFO L158 Benchmark]: RCFGBuilder took 191.82ms. Allocated memory is still 210.8MB. Free memory was 167.6MB in the beginning and 158.0MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 01:22:12,908 INFO L158 Benchmark]: TraceAbstraction took 835867.42ms. Allocated memory was 210.8MB in the beginning and 992.0MB in the end (delta: 781.2MB). Free memory was 157.5MB in the beginning and 454.0MB in the end (delta: -296.6MB). Peak memory consumption was 660.6MB. Max. memory is 8.0GB. [2022-03-04 01:22:12,908 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 0.12ms. Allocated memory is still 210.8MB. Free memory is still 171.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.32ms. Allocated memory is still 210.8MB. Free memory was 170.2MB in the beginning and 168.6MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.55ms. Allocated memory is still 210.8MB. Free memory was 168.6MB in the beginning and 167.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 191.82ms. Allocated memory is still 210.8MB. Free memory was 167.6MB in the beginning and 158.0MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 835867.42ms. Allocated memory was 210.8MB in the beginning and 992.0MB in the end (delta: 781.2MB). Free memory was 157.5MB in the beginning and 454.0MB in the end (delta: -296.6MB). Peak memory consumption was 660.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-12-2-3-2-3-4-11-2-8-2-23-2-6-2-3-3-15-2-4-2-3-2-4-2-3-2-13-2-2-3-8-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-12-2-3-2-3-4-11-2-8-2-23-2-6-2-3-3-15-2-4-2-3-2-4-2-3-2-13-2-2-3-8-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-12-2-3-2-3-4-11-2-8-2-23-2-6-2-3-3-15-2-4-2-3-2-4-2-3-2-13-2-2-3-8-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 430 with TraceHistMax 67,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-12-2-3-2-3-4-11-2-8-2-23-2-6-2-3-3-15-2-4-2-3-2-4-2-3-2-13-2-2-3-8-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 835.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 539, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 233.6s InterpolantComputationTime, 2438 NumberOfCodeBlocks, 2362 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 3642 ConstructedInterpolants, 20 QuantifiedInterpolants, 32172 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2803 ConjunctsInSsa, 285 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 47803/61251 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