/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-flipped-dist.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 10:55:59,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 10:55:59,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 10:55:59,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 10:55:59,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 10:55:59,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 10:55:59,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 10:55:59,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 10:55:59,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 10:55:59,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 10:55:59,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 10:55:59,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 10:55:59,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 10:55:59,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 10:55:59,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 10:55:59,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 10:55:59,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 10:55:59,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 10:55:59,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 10:55:59,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 10:55:59,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 10:55:59,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 10:55:59,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 10:55:59,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 10:55:59,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 10:55:59,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 10:55:59,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 10:55:59,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 10:55:59,657 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-MCRwithoutDepranks-Lazy.epf [2022-02-20 10:55:59,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 10:55:59,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 10:55:59,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 10:55:59,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 10:55:59,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 10:55:59,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 10:55:59,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 10:55:59,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 10:55:59,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 10:55:59,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 10:55:59,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 10:55:59,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 10:55:59,673 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 10:55:59,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 10:55:59,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 10:55:59,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 10:55:59,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 10:55:59,859 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 10:55:59,860 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 10:55:59,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-flipped-dist.wvr.bpl [2022-02-20 10:55:59,861 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-flipped-dist.wvr.bpl' [2022-02-20 10:55:59,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 10:55:59,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 10:55:59,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 10:55:59,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 10:55:59,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 10:55:59,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,907 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 10:55:59,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 10:55:59,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 10:55:59,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 10:55:59,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 10:55:59,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 10:55:59,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 10:55:59,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 10:55:59,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 10:55:59,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/1) ... [2022-02-20 10:55:59,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 10:55:59,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:55:59,980 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) [2022-02-20 10:56:00,013 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 [2022-02-20 10:56:00,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 10:56:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 10:56:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 10:56:00,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 10:56:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 10:56:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 10:56:00,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 10:56:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 10:56:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 10:56:00,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 10:56:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 10:56:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 10:56:00,033 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 10:56:00,070 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 10:56:00,072 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 10:56:00,145 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 10:56:00,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 10:56:00,156 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 10:56:00,157 INFO L202 PluginConnector]: Adding new model mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 10:56:00 BoogieIcfgContainer [2022-02-20 10:56:00,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 10:56:00,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 10:56:00,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 10:56:00,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 10:56:00,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 10:55:59" (1/2) ... [2022-02-20 10:56:00,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c592114 and model type mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 10:56:00, skipping insertion in model container [2022-02-20 10:56:00,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 10:56:00" (2/2) ... [2022-02-20 10:56:00,163 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.bpl [2022-02-20 10:56:00,166 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 10:56:00,166 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 10:56:00,166 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 10:56:00,166 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 10:56:00,188 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 10:56:00,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 10:56:00,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:56:00,217 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) [2022-02-20 10:56:00,218 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 [2022-02-20 10:56:00,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 10:56:00,252 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=true, mMcrOverapproximateWrwc=true [2022-02-20 10:56:00,252 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 10:56:02,533 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1184 transitions and produced 1053 states. [2022-02-20 10:56:02,535 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 10:56:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:56:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash -148460642, now seen corresponding path program 1 times [2022-02-20 10:56:02,545 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:56:02,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8377718] [2022-02-20 10:56:02,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:56:02,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:56:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:56:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7388 proven. 1787 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 10:56:05,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:56:05,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8377718] [2022-02-20 10:56:05,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8377718] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:56:05,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881869944] [2022-02-20 10:56:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:56:05,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:56:05,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:56:05,579 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) [2022-02-20 10:56:05,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 10:56:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:56:05,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 130 conjunts are in the unsatisfiable core [2022-02-20 10:56:05,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:56:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7557 proven. 1618 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 10:56:06,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:56:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9221 backedges. 7557 proven. 1618 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 10:56:09,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881869944] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:56:09,460 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:56:09,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 165 [2022-02-20 10:56:09,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932334900] [2022-02-20 10:56:09,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:56:09,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2022-02-20 10:56:09,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:56:09,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2022-02-20 10:56:09,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7927, Invalid=19463, Unknown=0, NotChecked=0, Total=27390 [2022-02-20 10:56:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:56:09,500 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:56:09,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 2.753012048192771) internal successors, (457), 165 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:56:09,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:56:23,035 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2035 transitions and produced 1830 states. [2022-02-20 10:56:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-02-20 10:56:23,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 10:56:23,251 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 [2022-02-20 10:56:23,252 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 10:56:23,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:56:23,253 INFO L85 PathProgramCache]: Analyzing trace with hash -245466638, now seen corresponding path program 2 times [2022-02-20 10:56:23,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:56:23,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504518513] [2022-02-20 10:56:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:56:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:56:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:56:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 23611 backedges. 4489 proven. 6048 refuted. 0 times theorem prover too weak. 13074 trivial. 0 not checked. [2022-02-20 10:56:26,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:56:26,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504518513] [2022-02-20 10:56:26,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504518513] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:56:26,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703449736] [2022-02-20 10:56:26,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 10:56:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:56:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:56:26,044 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) [2022-02-20 10:56:26,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 10:56:26,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 10:56:26,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 10:56:26,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 142 conjunts are in the unsatisfiable core [2022-02-20 10:56:26,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:56:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 23611 backedges. 14213 proven. 4761 refuted. 0 times theorem prover too weak. 4637 trivial. 0 not checked. [2022-02-20 10:56:33,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:56:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23611 backedges. 14213 proven. 4761 refuted. 0 times theorem prover too weak. 4637 trivial. 0 not checked. [2022-02-20 10:56:34,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703449736] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:56:34,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:56:34,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 141, 141] total 221 [2022-02-20 10:56:34,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445333297] [2022-02-20 10:56:34,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:56:34,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-02-20 10:56:34,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:56:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-02-20 10:56:34,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7604, Invalid=41458, Unknown=0, NotChecked=0, Total=49062 [2022-02-20 10:56:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:56:34,425 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:56:34,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 2.1486486486486487) internal successors, (477), 221 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:56:34,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-02-20 10:56:34,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:56:51,097 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4214 transitions and produced 3467 states. [2022-02-20 10:56:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-02-20 10:56:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2022-02-20 10:56:51,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 10:56:51,323 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 [2022-02-20 10:56:51,323 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 10:56:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 10:56:51,324 INFO L85 PathProgramCache]: Analyzing trace with hash -978077338, now seen corresponding path program 3 times [2022-02-20 10:56:51,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 10:56:51,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212716095] [2022-02-20 10:56:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 10:56:51,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 10:56:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 10:57:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 119197 backedges. 87423 proven. 31672 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-02-20 10:57:17,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 10:57:17,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212716095] [2022-02-20 10:57:17,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212716095] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 10:57:17,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036067584] [2022-02-20 10:57:17,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 10:57:17,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 10:57:17,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 10:57:17,748 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) [2022-02-20 10:57:17,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 10:57:18,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 241 check-sat command(s) [2022-02-20 10:57:18,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 10:57:18,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 2506 conjuncts, 202 conjunts are in the unsatisfiable core [2022-02-20 10:57:18,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 10:57:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 119197 backedges. 112090 proven. 655 refuted. 0 times theorem prover too weak. 6452 trivial. 0 not checked. [2022-02-20 10:57:39,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 10:58:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 119197 backedges. 112090 proven. 655 refuted. 0 times theorem prover too weak. 6452 trivial. 0 not checked. [2022-02-20 10:58:00,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036067584] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 10:58:00,267 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 10:58:00,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [386, 171, 171] total 721 [2022-02-20 10:58:00,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055399078] [2022-02-20 10:58:00,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 10:58:00,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 722 states [2022-02-20 10:58:00,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 10:58:00,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 722 interpolants. [2022-02-20 10:58:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93944, Invalid=426618, Unknown=0, NotChecked=0, Total=520562 [2022-02-20 10:58:00,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 10:58:00,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 10:58:00,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 722 states, 722 states have (on average 2.4916897506925206) internal successors, (1799), 721 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 10:58:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-02-20 10:58:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2022-02-20 10:58:00,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 11:06:09,471 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7118 transitions and produced 5850 states. [2022-02-20 11:06:09,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-02-20 11:06:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2022-02-20 11:06:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1427 states. [2022-02-20 11:06:09,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 11:06:09,691 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 [2022-02-20 11:06:09,691 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 11:06:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 11:06:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1145717488, now seen corresponding path program 4 times [2022-02-20 11:06:09,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 11:06:09,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476261404] [2022-02-20 11:06:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 11:06:09,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 11:06:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 11:08:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 266922 backedges. 195575 proven. 71347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 11:08:28,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 11:08:28,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476261404] [2022-02-20 11:08:28,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476261404] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 11:08:28,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082540167] [2022-02-20 11:08:28,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 11:08:28,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 11:08:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 11:08:28,204 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) [2022-02-20 11:08:28,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 11:08:28,959 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 11:08:28,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 11:08:29,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 4486 conjuncts, 502 conjunts are in the unsatisfiable core [2022-02-20 11:08:29,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-20 11:10:03,970 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 11:10:03,987 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 [2022-02-20 11:10:03,987 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 11:10:03,987 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 [2022-02-20 11:10:03,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 11:10:04,171 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 [2022-02-20 11:10:04,171 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1792 with TraceHistMax 339,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1232 known predicates. [2022-02-20 11:10:04,172 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 11:10:04,173 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 11:10:04,173 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 11:10:04,181 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-02-20 11:10:04,182 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 11:10:04,182 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 11:10:04,184 INFO L202 PluginConnector]: Adding new model mult-flipped-dist.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 11:10:04 BasicIcfg [2022-02-20 11:10:04,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 11:10:04,185 INFO L158 Benchmark]: Toolchain (without parser) took 844301.14ms. Allocated memory was 176.2MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 139.4MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-20 11:10:04,186 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 11:10:04,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.58ms. Allocated memory is still 176.2MB. Free memory was 139.3MB in the beginning and 137.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 11:10:04,190 INFO L158 Benchmark]: Boogie Preprocessor took 14.72ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 136.8MB in the end (delta: 964.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 11:10:04,190 INFO L158 Benchmark]: RCFGBuilder took 233.12ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 127.6MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 11:10:04,191 INFO L158 Benchmark]: TraceAbstraction took 844025.74ms. Allocated memory was 176.2MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 127.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-20 11:10:04,192 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 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.58ms. Allocated memory is still 176.2MB. Free memory was 139.3MB in the beginning and 137.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.72ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 136.8MB in the end (delta: 964.1kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 233.12ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 127.6MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 844025.74ms. Allocated memory was 176.2MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 127.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.2GB. 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: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1792 with TraceHistMax 339,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1232 known predicates. - TimeoutResultAtElement [Line: 57]: 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 1792 with TraceHistMax 339,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1232 known predicates. - TimeoutResultAtElement [Line: 56]: 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 1792 with TraceHistMax 339,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1232 known predicates. - TimeoutResultAtElement [Line: 56]: 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 1792 with TraceHistMax 339,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1232 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 844.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 521.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1952, 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, 2.1s SatisfiabilityAnalysisTime, 84.5s InterpolantComputationTime, 3478 NumberOfCodeBlocks, 3476 NumberOfCodeBlocksAsserted, 247 NumberOfCheckSat, 5208 ConstructedInterpolants, 0 QuantifiedInterpolants, 25429 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4368 ConjunctsInSsa, 474 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 402512/456087 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