/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-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 00:07:29,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 00:07:29,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 00:07:29,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 00:07:29,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 00:07:29,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 00:07:29,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 00:07:29,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 00:07:29,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 00:07:29,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 00:07:29,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 00:07:29,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 00:07:29,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 00:07:29,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 00:07:29,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 00:07:29,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 00:07:29,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 00:07:29,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 00:07:29,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 00:07:29,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 00:07:29,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 00:07:29,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 00:07:29,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 00:07:29,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 00:07:29,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 00:07:29,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 00:07:29,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 00:07:29,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 00:07:29,613 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 [2022-03-02 00:07:29,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 00:07:29,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 00:07:29,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 00:07:29,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 00:07:29,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 00:07:29,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 00:07:29,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 00:07:29,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 00:07:29,634 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 00:07:29,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 00:07:29,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 00:07:29,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 00:07:29,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 00:07:29,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 00:07:29,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 00:07:29,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 00:07:29,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 00:07:29,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 00:07:29,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 00:07:29,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:07:29,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 00:07:29,639 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 00:07:29,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 00:07:29,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 00:07:29,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 00:07:29,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 00:07:29,640 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 00:07:29,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 00:07:29,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 00:07:29,641 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 00:07:29,641 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-02 00:07:29,641 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 00:07:29,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 00:07:29,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 00:07:29,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 00:07:29,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 00:07:29,830 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 00:07:29,835 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 00:07:29,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2022-03-02 00:07:29,836 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2022-03-02 00:07:29,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 00:07:29,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 00:07:29,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 00:07:29,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 00:07:29,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 00:07:29,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,875 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 00:07:29,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 00:07:29,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 00:07:29,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 00:07:29,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 00:07:29,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 00:07:29,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 00:07:29,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 00:07:29,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 00:07:29,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/1) ... [2022-03-02 00:07:29,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:07:29,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:29,926 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) [2022-03-02 00:07:29,945 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 [2022-03-02 00:07:29,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 00:07:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 00:07:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 00:07:29,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 00:07:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 00:07:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 00:07:29,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 00:07:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 00:07:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 00:07:29,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 00:07:29,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 00:07:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 00:07:29,969 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 00:07:30,006 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 00:07:30,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 00:07:30,079 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 00:07:30,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 00:07:30,093 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 00:07:30,095 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:07:30 BoogieIcfgContainer [2022-03-02 00:07:30,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 00:07:30,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 00:07:30,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 00:07:30,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 00:07:30,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:07:29" (1/2) ... [2022-03-02 00:07:30,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394ffe3f and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 12:07:30, skipping insertion in model container [2022-03-02 00:07:30,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:07:30" (2/2) ... [2022-03-02 00:07:30,111 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2022-03-02 00:07:30,114 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 00:07:30,114 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 00:07:30,114 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 00:07:30,114 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 00:07:30,151 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 00:07:30,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 00:07:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:30,194 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) [2022-03-02 00:07:30,203 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 [2022-03-02 00:07:30,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 00:07:30,220 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 [2022-03-02 00:07:30,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 00:07:30,519 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1682 transitions and produced 636 states. [2022-03-02 00:07:30,521 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:07:30,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash -189379526, now seen corresponding path program 1 times [2022-03-02 00:07:30,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:30,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149936965] [2022-03-02 00:07:30,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:30,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:07:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:07:30,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:07:30,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149936965] [2022-03-02 00:07:30,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149936965] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:07:30,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193525341] [2022-03-02 00:07:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:30,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:07:30,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:30,930 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) [2022-03-02 00:07:30,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 00:07:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:07:30,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 00:07:30,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:07:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-02 00:07:31,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:07:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-02 00:07:31,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193525341] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:07:31,412 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:07:31,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 23 [2022-03-02 00:07:31,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314475338] [2022-03-02 00:07:31,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:07:31,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-02 00:07:31,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:07:31,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-02 00:07:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2022-03-02 00:07:31,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:31,471 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:07:31,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:07:31,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:31,935 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1693 transitions and produced 647 states. [2022-03-02 00:07:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:31,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 00:07:32,152 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 [2022-03-02 00:07:32,152 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:07:32,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:32,153 INFO L85 PathProgramCache]: Analyzing trace with hash 420505112, now seen corresponding path program 2 times [2022-03-02 00:07:32,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:32,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541648858] [2022-03-02 00:07:32,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:32,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:07:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 00:07:32,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:07:32,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541648858] [2022-03-02 00:07:32,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541648858] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:07:32,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402821649] [2022-03-02 00:07:32,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 00:07:32,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:07:32,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:32,257 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) [2022-03-02 00:07:32,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 00:07:32,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 00:07:32,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:07:32,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-02 00:07:32,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:07:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-02 00:07:32,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:07:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-02 00:07:32,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402821649] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:07:32,642 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:07:32,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 23 [2022-03-02 00:07:32,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540556366] [2022-03-02 00:07:32,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:07:32,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-02 00:07:32,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:07:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-02 00:07:32,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2022-03-02 00:07:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:32,647 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:07:32,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 23 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:07:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:33,212 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1704 transitions and produced 658 states. [2022-03-02 00:07:33,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:33,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:33,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 00:07:33,419 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 [2022-03-02 00:07:33,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:07:33,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1890877322, now seen corresponding path program 3 times [2022-03-02 00:07:33,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:33,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961473409] [2022-03-02 00:07:33,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:33,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:07:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:07:33,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:07:33,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961473409] [2022-03-02 00:07:33,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961473409] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:07:33,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875975081] [2022-03-02 00:07:33,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 00:07:33,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:07:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:33,588 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) [2022-03-02 00:07:33,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 00:07:33,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-02 00:07:33,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:07:33,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-02 00:07:33,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:07:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 00:07:33,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:07:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 00:07:34,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875975081] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:07:34,153 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:07:34,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 38 [2022-03-02 00:07:34,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245521440] [2022-03-02 00:07:34,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:07:34,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-02 00:07:34,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:07:34,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-02 00:07:34,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1152, Unknown=0, NotChecked=0, Total=1406 [2022-03-02 00:07:34,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:34,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:07:34,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.5789473684210527) internal successors, (98), 38 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:07:34,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:34,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:34,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:34,611 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 248 transitions and produced 193 states. [2022-03-02 00:07:34,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:34,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:34,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-02 00:07:34,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 00:07:34,822 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 [2022-03-02 00:07:34,822 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:07:34,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:34,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1217120590, now seen corresponding path program 4 times [2022-03-02 00:07:34,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:34,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129705984] [2022-03-02 00:07:34,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:34,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:07:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:07:34,987 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:07:34,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129705984] [2022-03-02 00:07:34,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129705984] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:07:34,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020595244] [2022-03-02 00:07:34,987 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 00:07:34,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:07:34,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:34,989 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) [2022-03-02 00:07:34,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 00:07:35,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 00:07:35,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:07:35,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-02 00:07:35,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:07:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 22 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:07:35,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:07:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:07:35,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020595244] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:07:35,700 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:07:35,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 45 [2022-03-02 00:07:35,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106093293] [2022-03-02 00:07:35,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:07:35,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-02 00:07:35,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:07:35,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-02 00:07:35,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=1615, Unknown=0, NotChecked=0, Total=1980 [2022-03-02 00:07:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:35,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:07:35,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 45 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:07:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-02 00:07:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:36,205 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 259 transitions and produced 206 states. [2022-03-02 00:07:36,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:36,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-02 00:07:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 00:07:36,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 00:07:36,406 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 [2022-03-02 00:07:36,407 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:07:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:36,407 INFO L85 PathProgramCache]: Analyzing trace with hash 603820688, now seen corresponding path program 5 times [2022-03-02 00:07:36,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:36,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089867885] [2022-03-02 00:07:36,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:36,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:07:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 22 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:07:36,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:07:36,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089867885] [2022-03-02 00:07:36,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089867885] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:07:36,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9118427] [2022-03-02 00:07:36,585 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 00:07:36,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:07:36,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:07:36,588 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) [2022-03-02 00:07:36,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 00:07:36,631 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-02 00:07:36,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:07:36,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 00:07:36,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:07:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 22 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:07:36,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:07:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 34 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:07:37,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9118427] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:07:37,370 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:07:37,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-03-02 00:07:37,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034796224] [2022-03-02 00:07:37,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:07:37,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-02 00:07:37,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:07:37,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-02 00:07:37,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2022-03-02 00:07:37,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:37,372 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:07:37,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.3125) internal successors, (111), 48 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:07:37,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:37,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:37,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-02 00:07:37,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 00:07:37,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:07:37,939 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 270 transitions and produced 217 states. [2022-03-02 00:07:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 00:07:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:07:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-02 00:07:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 00:07:37,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 00:07:37,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 00:07:38,157 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 [2022-03-02 00:07:38,158 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:07:38,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:07:38,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1818267922, now seen corresponding path program 6 times [2022-03-02 00:07:38,158 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:07:38,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083034745] [2022-03-02 00:07:38,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:07:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:07:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 30 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:08,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:08,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083034745] [2022-03-02 00:18:08,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083034745] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:08,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964850327] [2022-03-02 00:18:08,560 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 00:18:08,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:08,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:08,561 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) [2022-03-02 00:18:08,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 00:18:08,630 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-02 00:18:08,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:18:08,631 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 77 conjunts are in the unsatisfiable core [2022-03-02 00:18:08,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 00:21:45,416 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 00:21:45,418 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:21:45,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-02 00:21:45,440 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 [2022-03-02 00:21:45,440 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 [2022-03-02 00:21:45,440 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 [2022-03-02 00:21:45,620 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 [2022-03-02 00:21:45,621 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 21ms.. [2022-03-02 00:21:45,622 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:21:45,622 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:21:45,622 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:21:45,627 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 00:21:45,628 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:21:45,628 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:21:45,630 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:21:45 BasicIcfg [2022-03-02 00:21:45,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:21:45,630 INFO L158 Benchmark]: Toolchain (without parser) took 855771.82ms. Allocated memory was 175.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 130.7MB in the beginning and 382.2MB in the end (delta: -251.5MB). Peak memory consumption was 874.0MB. Max. memory is 8.0GB. [2022-03-02 00:21:45,631 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:21:45,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.44ms. Allocated memory is still 175.1MB. Free memory was 130.6MB in the beginning and 129.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:21:45,631 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 175.1MB. Free memory was 129.0MB in the beginning and 128.1MB in the end (delta: 892.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:21:45,631 INFO L158 Benchmark]: RCFGBuilder took 195.93ms. Allocated memory is still 175.1MB. Free memory was 128.0MB in the beginning and 118.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 00:21:45,632 INFO L158 Benchmark]: TraceAbstraction took 855533.72ms. Allocated memory was 175.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 118.1MB in the beginning and 382.2MB in the end (delta: -264.1MB). Peak memory consumption was 861.4MB. Max. memory is 8.0GB. [2022-03-02 00:21:45,633 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 0.11ms. Allocated memory is still 175.1MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.44ms. Allocated memory is still 175.1MB. Free memory was 130.6MB in the beginning and 129.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 175.1MB. Free memory was 129.0MB in the beginning and 128.1MB in the end (delta: 892.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 195.93ms. Allocated memory is still 175.1MB. Free memory was 128.0MB in the beginning and 118.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 855533.72ms. Allocated memory was 175.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 118.1MB in the beginning and 382.2MB in the end (delta: -264.1MB). Peak memory consumption was 861.4MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 21ms.. - TimeoutResultAtElement [Line: 58]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 21ms.. - TimeoutResultAtElement [Line: 59]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 21ms.. - TimeoutResultAtElement [Line: 58]: 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 51 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 855.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 152, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 627 ConstructedInterpolants, 0 QuantifiedInterpolants, 3590 SizeOfPredicates, 30 NumberOfNonLiveVariables, 540 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 420/852 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