/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 [2022-03-01 23:36:57,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 23:36:57,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 23:36:57,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 23:36:57,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 23:36:57,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 23:36:57,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 23:36:57,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 23:36:57,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 23:36:57,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 23:36:57,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 23:36:57,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 23:36:57,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 23:36:57,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 23:36:57,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 23:36:57,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 23:36:57,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 23:36:57,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 23:36:57,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 23:36:57,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 23:36:57,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 23:36:57,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 23:36:57,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 23:36:57,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 23:36:57,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 23:36:57,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 23:36:57,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 23:36:57,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 23:36:57,689 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 [2022-03-01 23:36:57,719 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 23:36:57,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 23:36:57,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 23:36:57,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 23:36:57,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 23:36:57,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 23:36:57,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 23:36:57,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 23:36:57,722 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 23:36:57,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 23:36:57,723 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 23:36:57,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 23:36:57,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 23:36:57,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 23:36:57,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 23:36:57,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 23:36:57,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 23:36:57,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:36:57,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 23:36:57,727 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 23:36:57,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 23:36:57,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 23:36:57,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 23:36:57,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 23:36:57,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 23:36:57,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 23:36:57,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 23:36:57,728 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 23:36:57,728 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 23:36:57,728 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 23:36:57,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 23:36:57,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 23:36:58,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 23:36:58,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 23:36:58,007 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 23:36:58,008 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 23:36:58,009 INFO L432 ainManager$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 [2022-03-01 23:36:58,009 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2022-03-01 23:36:58,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 23:36:58,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 23:36:58,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 23:36:58,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 23:36:58,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 23:36:58,051 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,057 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,063 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 23:36:58,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 23:36:58,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 23:36:58,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 23:36:58,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 23:36:58,072 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,072 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,074 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,074 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,076 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,079 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,080 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 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 23:36:58,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 23:36:58,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 23:36:58,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 23:36:58,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:36:58" (1/1) ... [2022-03-01 23:36:58,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:36:58,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:36:58,109 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) [2022-03-01 23:36:58,115 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 [2022-03-01 23:36:58,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-01 23:36:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 23:36:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 23:36:58,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-01 23:36:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 23:36:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 23:36:58,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 23:36:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 23:36:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 23:36:58,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-01 23:36:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 23:36:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 23:36:58,152 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 23:36:58,196 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 23:36:58,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 23:36:58,292 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 23:36:58,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 23:36:58,311 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 23:36:58,313 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:36:58 BoogieIcfgContainer [2022-03-01 23:36:58,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 23:36:58,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 23:36:58,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 23:36:58,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 23:36:58,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:36:58" (1/2) ... [2022-03-01 23:36:58,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5a4af4 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 11:36:58, skipping insertion in model container [2022-03-01 23:36:58,331 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 01.03 11:36:58" (2/2) ... [2022-03-01 23:36:58,333 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2022-03-01 23:36:58,338 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 23:36:58,338 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 23:36:58,338 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 23:36:58,338 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 23:36:58,395 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-01 23:36:58,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 23:36:58,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:36:58,443 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) [2022-03-01 23:36:58,474 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 [2022-03-01 23:36:58,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 23:36:58,500 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 [2022-03-01 23:36:58,501 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 23:36:58,906 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 583 transitions and produced 495 states. [2022-03-01 23:36:58,908 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:36:58,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:36:58,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2123565567, now seen corresponding path program 1 times [2022-03-01 23:36:58,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:36:58,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6292232] [2022-03-01 23:36:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:36:58,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:36:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:36:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-03-01 23:36:59,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:36:59,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6292232] [2022-03-01 23:36:59,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6292232] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:36:59,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647491510] [2022-03-01 23:36:59,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:36:59,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:36:59,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:36:59,671 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) [2022-03-01 23:36:59,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 23:36:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:36:59,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 27 conjunts are in the unsatisfiable core [2022-03-01 23:36:59,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:37:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 719 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-03-01 23:37:00,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:37:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 719 proven. 7 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-03-01 23:37:01,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647491510] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:37:01,022 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:37:01,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 44 [2022-03-01 23:37:01,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460293982] [2022-03-01 23:37:01,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:37:01,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-01 23:37:01,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:37:01,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-01 23:37:01,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=1483, Unknown=0, NotChecked=0, Total=1980 [2022-03-01 23:37:01,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:37:01,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:37:01,066 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) [2022-03-01 23:37:01,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:37:03,740 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1118 transitions and produced 806 states. [2022-03-01 23:37:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:37:03,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 23:37:03,963 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 [2022-03-01 23:37:03,964 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:37:03,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:37:03,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1405781380, now seen corresponding path program 2 times [2022-03-01 23:37:03,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:37:03,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107101296] [2022-03-01 23:37:03,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:37:03,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:37:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:37:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2022-03-01 23:37:04,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:37:04,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107101296] [2022-03-01 23:37:04,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107101296] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:37:04,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283517131] [2022-03-01 23:37:04,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 23:37:04,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:37:04,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:37:04,264 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) [2022-03-01 23:37:04,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 23:37:04,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 23:37:04,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:37:04,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 52 conjunts are in the unsatisfiable core [2022-03-01 23:37:04,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:37:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 1925 proven. 308 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-01 23:37:05,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:37:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 1925 proven. 308 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-03-01 23:37:06,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283517131] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:37:06,055 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:37:06,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 30, 30] total 57 [2022-03-01 23:37:06,055 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996587814] [2022-03-01 23:37:06,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:37:06,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-03-01 23:37:06,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:37:06,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-03-01 23:37:06,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=897, Invalid=2409, Unknown=0, NotChecked=0, Total=3306 [2022-03-01 23:37:06,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:37:06,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:37:06,074 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) [2022-03-01 23:37:06,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:37:06,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:37:09,962 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1522 transitions and produced 1058 states. [2022-03-01 23:37:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:37:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:37:09,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 23:37:10,179 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 [2022-03-01 23:37:10,180 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:37:10,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:37:10,181 INFO L85 PathProgramCache]: Analyzing trace with hash -322988771, now seen corresponding path program 3 times [2022-03-01 23:37:10,181 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:37:10,181 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144117620] [2022-03-01 23:37:10,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:37:10,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:37:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:37:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 1129 refuted. 0 times theorem prover too weak. 3553 trivial. 0 not checked. [2022-03-01 23:37:10,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:37:10,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144117620] [2022-03-01 23:37:10,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144117620] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:37:10,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760103207] [2022-03-01 23:37:10,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 23:37:10,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:37:10,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:37:10,606 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) [2022-03-01 23:37:10,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 23:37:10,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2022-03-01 23:37:10,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:37:10,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-01 23:37:10,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:37:11,634 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 23:37:11,636 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 [2022-03-01 23:37:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 0 proven. 1057 refuted. 0 times theorem prover too weak. 3625 trivial. 0 not checked. [2022-03-01 23:37:12,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:37:12,598 INFO L353 Elim1Store]: treesize reduction 5, result has 75.0 percent of original size [2022-03-01 23:37:12,598 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 [2022-03-01 23:37:13,351 INFO L353 Elim1Store]: treesize reduction 30, result has 94.3 percent of original size [2022-03-01 23:37:13,352 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 [2022-03-01 23:41:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4682 backedges. 37 proven. 1020 refuted. 0 times theorem prover too weak. 3625 trivial. 0 not checked. [2022-03-01 23:41:04,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760103207] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:41:04,889 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:41:04,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 31 [2022-03-01 23:41:04,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632586425] [2022-03-01 23:41:04,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:41:04,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-01 23:41:04,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:41:04,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-01 23:41:04,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=913, Unknown=0, NotChecked=0, Total=992 [2022-03-01 23:41:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:41:04,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:41:04,892 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) [2022-03-01 23:41:04,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:41:04,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:41:04,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:41:06,064 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1496 transitions and produced 1077 states. [2022-03-01 23:41:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:41:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:41:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 23:41:06,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 23:41:06,279 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 [2022-03-01 23:41:06,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:41:06,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:41:06,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1127513478, now seen corresponding path program 4 times [2022-03-01 23:41:06,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:41:06,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832433844] [2022-03-01 23:41:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:41:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:41:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:41:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 3411 trivial. 0 not checked. [2022-03-01 23:41:06,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:41:06,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832433844] [2022-03-01 23:41:06,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832433844] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:41:06,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399068609] [2022-03-01 23:41:06,701 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 23:41:06,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:41:06,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:41:06,704 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) [2022-03-01 23:41:06,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 23:41:06,831 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 23:41:06,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:41:06,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-01 23:41:06,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:41:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 3689 proven. 908 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-01 23:41:08,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:41:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 3689 proven. 908 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-03-01 23:41:09,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399068609] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:41:09,124 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:41:09,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 42, 42] total 73 [2022-03-01 23:41:09,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976409012] [2022-03-01 23:41:09,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:41:09,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-03-01 23:41:09,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:41:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-03-01 23:41:09,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1475, Invalid=3927, Unknown=0, NotChecked=0, Total=5402 [2022-03-01 23:41:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:41:09,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:41:09,129 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) [2022-03-01 23:41:09,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:41:09,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:41:09,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-01 23:41:09,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:41:15,271 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1970 transitions and produced 1333 states. [2022-03-01 23:41:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:41:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:41:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 23:41:15,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-01 23:41:15,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 23:41:15,472 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 [2022-03-01 23:41:15,473 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:41:15,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:41:15,473 INFO L85 PathProgramCache]: Analyzing trace with hash -642620901, now seen corresponding path program 5 times [2022-03-01 23:41:15,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:41:15,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559614572] [2022-03-01 23:41:15,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:41:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:41:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:41:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 0 proven. 1883 refuted. 0 times theorem prover too weak. 6081 trivial. 0 not checked. [2022-03-01 23:41:15,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:41:15,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559614572] [2022-03-01 23:41:15,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559614572] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:41:15,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557319144] [2022-03-01 23:41:15,884 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 23:41:15,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:41:15,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:41:15,888 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) [2022-03-01 23:41:15,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 23:41:16,256 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2022-03-01 23:41:16,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:41:16,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 100 conjunts are in the unsatisfiable core [2022-03-01 23:41:16,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:41:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 6029 proven. 1796 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-03-01 23:41:18,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:41:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7964 backedges. 6029 proven. 1796 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-03-01 23:41:19,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557319144] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:41:19,255 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:41:19,255 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 54, 54] total 87 [2022-03-01 23:41:19,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199455583] [2022-03-01 23:41:19,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:41:19,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-03-01 23:41:19,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:41:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-03-01 23:41:19,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2193, Invalid=5463, Unknown=0, NotChecked=0, Total=7656 [2022-03-01 23:41:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:41:19,260 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:41:19,261 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) [2022-03-01 23:41:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:41:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:41:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-01 23:41:19,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-01 23:41:19,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:41:27,247 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2374 transitions and produced 1585 states. [2022-03-01 23:41:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 23:41:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-01 23:41:27,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-01 23:41:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-01 23:41:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-01 23:41:27,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-01 23:41:27,451 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 [2022-03-01 23:41:27,451 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:41:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:41:27,452 INFO L85 PathProgramCache]: Analyzing trace with hash -620200132, now seen corresponding path program 6 times [2022-03-01 23:41:27,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:41:27,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737460173] [2022-03-01 23:41:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:41:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:41:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:41:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12089 backedges. 0 proven. 2566 refuted. 0 times theorem prover too weak. 9523 trivial. 0 not checked. [2022-03-01 23:41:27,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:41:27,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737460173] [2022-03-01 23:41:27,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737460173] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:41:27,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355771015] [2022-03-01 23:41:27,899 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 23:41:27,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:41:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:41:27,900 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) [2022-03-01 23:41:27,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 23:41:28,564 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 66 check-sat command(s) [2022-03-01 23:41:28,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:41:28,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-01 23:41:28,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:41:32,685 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 23:41:32,685 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 [2022-03-01 23:41:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12089 backedges. 0 proven. 2452 refuted. 0 times theorem prover too weak. 9637 trivial. 0 not checked. [2022-03-01 23:41:37,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:41:38,725 INFO L353 Elim1Store]: treesize reduction 5, result has 80.8 percent of original size [2022-03-01 23:41:38,725 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 [2022-03-01 23:41:41,399 INFO L353 Elim1Store]: treesize reduction 45, result has 96.3 percent of original size [2022-03-01 23:41:41,399 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... [2022-03-01 23:50:33,625 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-01 23:50:33,627 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 [2022-03-01 23:50:33,627 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 [2022-03-01 23:50:33,633 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 [2022-03-01 23:50:33,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 23:50:33,828 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 [2022-03-01 23:50:33,829 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 ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-1 context. [2022-03-01 23:50:33,831 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-01 23:50:33,831 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-01 23:50:33,831 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-01 23:50:33,836 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-01 23:50:33,838 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 23:50:33,838 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 23:50:33,840 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 11:50:33 BasicIcfg [2022-03-01 23:50:33,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 23:50:33,841 INFO L158 Benchmark]: Toolchain (without parser) took 815803.83ms. Allocated memory was 184.5MB in the beginning and 958.4MB in the end (delta: 773.8MB). Free memory was 142.0MB in the beginning and 681.8MB in the end (delta: -539.8MB). Peak memory consumption was 651.1MB. Max. memory is 8.0GB. [2022-03-01 23:50:33,841 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 23:50:33,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.15ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 140.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 23:50:33,842 INFO L158 Benchmark]: Boogie Preprocessor took 14.68ms. Allocated memory is still 184.5MB. Free memory was 140.4MB in the beginning and 139.5MB in the end (delta: 925.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 23:50:33,842 INFO L158 Benchmark]: RCFGBuilder took 232.21ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 129.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-01 23:50:33,842 INFO L158 Benchmark]: TraceAbstraction took 815525.42ms. Allocated memory was 184.5MB in the beginning and 958.4MB in the end (delta: 773.8MB). Free memory was 129.2MB in the beginning and 681.8MB in the end (delta: -552.6MB). Peak memory consumption was 638.5MB. Max. memory is 8.0GB. [2022-03-01 23:50:33,844 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 184.5MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.15ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 140.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.68ms. Allocated memory is still 184.5MB. Free memory was 140.4MB in the beginning and 139.5MB in the end (delta: 925.9kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 232.21ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 129.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 815525.42ms. Allocated memory was 184.5MB in the beginning and 958.4MB in the end (delta: 773.8MB). Free memory was 129.2MB in the beginning and 681.8MB in the end (delta: -552.6MB). Peak memory consumption was 638.5MB. 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 ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-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 ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-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 ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-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 ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-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: 815.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 22.3s, 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, 0.9s SatisfiabilityAnalysisTime, 244.2s 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