/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 10:33:54,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 10:33:54,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 10:33:54,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 10:33:54,661 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.epf [2022-02-16 10:33:54,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 10:33:54,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 10:33:54,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 10:33:54,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 10:33:54,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 10:33:54,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 10:33:54,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 10:33:54,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 10:33:54,685 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 10:33:54,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 10:33:54,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 10:33:54,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 10:33:54,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 10:33:54,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 10:33:54,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 10:33:54,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 10:33:54,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 10:33:54,689 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 10:33:54,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 10:33:54,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 10:33:54,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 10:33:54,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 10:33:54,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 10:33:54,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 10:33:54,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 10:33:54,690 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 10:33:54,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 10:33:54,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 10:33:54,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 10:33:54,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 10:33:54,865 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 10:33:54,866 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 10:33:54,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2022-02-16 10:33:54,868 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2022-02-16 10:33:54,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 10:33:54,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 10:33:54,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 10:33:54,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 10:33:54,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 10:33:54,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,905 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 10:33:54,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 10:33:54,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 10:33:54,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 10:33:54,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 10:33:54,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 10:33:54,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 10:33:54,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 10:33:54,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 10:33:54,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/1) ... [2022-02-16 10:33:54,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 10:33:54,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:33:54,945 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) [2022-02-16 10:33:54,958 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 [2022-02-16 10:33:54,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 10:33:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 10:33:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 10:33:54,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 10:33:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 10:33:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 10:33:54,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 10:33:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 10:33:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 10:33:54,978 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 10:33:55,021 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 10:33:55,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 10:33:55,109 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 10:33:55,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 10:33:55,113 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 10:33:55,114 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:33:55 BoogieIcfgContainer [2022-02-16 10:33:55,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 10:33:55,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 10:33:55,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 10:33:55,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 10:33:55,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 10:33:54" (1/2) ... [2022-02-16 10:33:55,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f9b2c6 and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 10:33:55, skipping insertion in model container [2022-02-16 10:33:55,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 10:33:55" (2/2) ... [2022-02-16 10:33:55,119 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2.wvr.bpl [2022-02-16 10:33:55,123 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 10:33:55,123 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 10:33:55,123 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 10:33:55,123 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 10:33:55,144 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-16 10:33:55,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 10:33:55,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:33:55,212 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) [2022-02-16 10:33:55,213 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 [2022-02-16 10:33:55,251 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 10:33:55,255 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 [2022-02-16 10:33:55,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 10:33:55,346 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 630 transitions and produced 589 states. [2022-02-16 10:33:55,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:33:55,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:33:55,351 INFO L85 PathProgramCache]: Analyzing trace with hash 444266670, now seen corresponding path program 1 times [2022-02-16 10:33:55,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:33:55,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156684712] [2022-02-16 10:33:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:33:55,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:33:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:33:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3016 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 2799 trivial. 0 not checked. [2022-02-16 10:33:55,523 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:33:55,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156684712] [2022-02-16 10:33:55,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156684712] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 10:33:55,523 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 10:33:55,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-16 10:33:55,524 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888158196] [2022-02-16 10:33:55,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 10:33:55,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-16 10:33:55,529 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:33:55,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-16 10:33:55,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-16 10:33:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:33:55,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:33:55,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-02-16 10:33:55,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:33:55,596 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 890 transitions and produced 849 states. [2022-02-16 10:33:55,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:33:55,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 10:33:55,597 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:33:55,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:33:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2109898784, now seen corresponding path program 1 times [2022-02-16 10:33:55,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:33:55,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295077753] [2022-02-16 10:33:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:33:55,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:33:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:33:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6510 backedges. 3164 proven. 0 refuted. 0 times theorem prover too weak. 3346 trivial. 0 not checked. [2022-02-16 10:33:55,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:33:55,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295077753] [2022-02-16 10:33:55,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295077753] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 10:33:55,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 10:33:55,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-16 10:33:55,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649041720] [2022-02-16 10:33:55,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 10:33:55,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-16 10:33:55,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:33:55,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-16 10:33:55,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-16 10:33:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:33:55,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:33:55,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-02-16 10:33:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:33:55,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:33:55,823 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1118 transitions and produced 1070 states. [2022-02-16 10:33:55,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:33:55,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:33:55,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 10:33:55,824 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:33:55,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:33:55,825 INFO L85 PathProgramCache]: Analyzing trace with hash -216563330, now seen corresponding path program 2 times [2022-02-16 10:33:55,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:33:55,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701265307] [2022-02-16 10:33:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:33:55,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:33:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:33:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13138 backedges. 12656 proven. 450 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:33:58,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:33:58,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701265307] [2022-02-16 10:33:58,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701265307] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:33:58,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290922504] [2022-02-16 10:33:58,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 10:33:58,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:33:58,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:33:58,379 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) [2022-02-16 10:33:58,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 10:33:58,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 10:33:58,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:33:58,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 90 conjunts are in the unsatisfiable core [2022-02-16 10:33:58,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:33:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 13138 backedges. 12656 proven. 450 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:33:59,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:34:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 13138 backedges. 12656 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:34:04,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290922504] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:34:04,800 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:34:04,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73, 89] total 161 [2022-02-16 10:34:04,801 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733708971] [2022-02-16 10:34:04,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:34:04,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2022-02-16 10:34:04,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:34:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2022-02-16 10:34:04,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11809, Invalid=14273, Unknown=0, NotChecked=0, Total=26082 [2022-02-16 10:34:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:34:04,819 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:34:04,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 5.327160493827161) internal successors, (863), 161 states have internal predecessors, (863), 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) [2022-02-16 10:34:04,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:04,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:04,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:34:18,682 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2540 transitions and produced 2075 states. [2022-02-16 10:34:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 285 states. [2022-02-16 10:34:18,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-16 10:34:18,890 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,SelfDestructingSolverStorable2 [2022-02-16 10:34:18,890 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:34:18,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:34:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1398206508, now seen corresponding path program 3 times [2022-02-16 10:34:18,891 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:34:18,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731098136] [2022-02-16 10:34:18,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:34:18,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:34:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:34:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38165 backedges. 27556 proven. 10609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:34:26,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:34:26,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731098136] [2022-02-16 10:34:26,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731098136] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:34:26,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357947327] [2022-02-16 10:34:26,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 10:34:26,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:34:26,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:34:26,724 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) [2022-02-16 10:34:26,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 10:34:26,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 59 check-sat command(s) [2022-02-16 10:34:26,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:34:26,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 144 conjunts are in the unsatisfiable core [2022-02-16 10:34:26,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:34:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 38165 backedges. 0 proven. 10609 refuted. 0 times theorem prover too weak. 27556 trivial. 0 not checked. [2022-02-16 10:34:32,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:34:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 38165 backedges. 0 proven. 4965 refuted. 0 times theorem prover too weak. 33200 trivial. 0 not checked. [2022-02-16 10:34:38,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357947327] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:34:38,021 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:34:38,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [182, 72, 5] total 257 [2022-02-16 10:34:38,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851075908] [2022-02-16 10:34:38,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:34:38,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 258 states [2022-02-16 10:34:38,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:34:38,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 258 interpolants. [2022-02-16 10:34:38,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9109, Invalid=57197, Unknown=0, NotChecked=0, Total=66306 [2022-02-16 10:34:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:34:38,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:34:38,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 258 states, 258 states have (on average 4.9728682170542635) internal successors, (1283), 257 states have internal predecessors, (1283), 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) [2022-02-16 10:34:38,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:38,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:38,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 285 states. [2022-02-16 10:34:38,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:34:56,635 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10026 transitions and produced 6022 states. [2022-02-16 10:34:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:34:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-02-16 10:34:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2022-02-16 10:34:56,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-16 10:34:56,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:34:56,852 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:34:56,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:34:56,852 INFO L85 PathProgramCache]: Analyzing trace with hash 272095966, now seen corresponding path program 4 times [2022-02-16 10:34:56,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:34:56,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765509233] [2022-02-16 10:34:56,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:34:56,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:34:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:35:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 74326 backedges. 42137 proven. 32157 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:35:09,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:35:09,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765509233] [2022-02-16 10:35:09,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765509233] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:35:09,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394258797] [2022-02-16 10:35:09,537 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 10:35:09,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:35:09,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:35:09,538 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) [2022-02-16 10:35:09,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 10:35:09,798 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 10:35:09,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:35:09,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 260 conjunts are in the unsatisfiable core [2022-02-16 10:35:09,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:35:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 74326 backedges. 42137 proven. 32157 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:35:12,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:35:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 74326 backedges. 42137 proven. 32189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:35:28,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394258797] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:35:28,517 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:35:28,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [243, 243, 259] total 407 [2022-02-16 10:35:28,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480613111] [2022-02-16 10:35:28,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:35:28,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 408 states [2022-02-16 10:35:28,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:35:28,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 408 interpolants. [2022-02-16 10:35:28,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47132, Invalid=118924, Unknown=0, NotChecked=0, Total=166056 [2022-02-16 10:35:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:35:28,545 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:35:28,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 408 states, 408 states have (on average 5.1495098039215685) internal successors, (2101), 407 states have internal predecessors, (2101), 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) [2022-02-16 10:35:28,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:35:28,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:35:28,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-02-16 10:35:28,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2022-02-16 10:35:28,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:36:22,894 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4979 transitions and produced 4011 states. [2022-02-16 10:36:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:36:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:36:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-02-16 10:36:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2022-02-16 10:36:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2022-02-16 10:36:22,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 10:36:23,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:36:23,112 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:36:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:36:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1797549843, now seen corresponding path program 5 times [2022-02-16 10:36:23,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:36:23,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127405249] [2022-02-16 10:36:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:36:23,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:36:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:36:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 144234 backedges. 94361 proven. 49841 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:36:45,164 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:36:45,164 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127405249] [2022-02-16 10:36:45,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127405249] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:36:45,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796059284] [2022-02-16 10:36:45,176 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 10:36:45,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:36:45,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:36:45,177 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) [2022-02-16 10:36:45,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 10:36:45,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 174 check-sat command(s) [2022-02-16 10:36:45,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:36:46,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 2504 conjuncts, 300 conjunts are in the unsatisfiable core [2022-02-16 10:36:46,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:36:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 144234 backedges. 49061 proven. 94315 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2022-02-16 10:36:56,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:37:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 144234 backedges. 49061 proven. 94318 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2022-02-16 10:37:17,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796059284] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:37:17,626 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:37:17,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [340, 297, 299] total 547 [2022-02-16 10:37:17,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652945193] [2022-02-16 10:37:17,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:37:17,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 548 states [2022-02-16 10:37:17,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:37:17,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 548 interpolants. [2022-02-16 10:37:17,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80972, Invalid=218784, Unknown=0, NotChecked=0, Total=299756 [2022-02-16 10:37:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:37:17,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:37:17,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 548 states, 548 states have (on average 5.532846715328467) internal successors, (3032), 547 states have internal predecessors, (3032), 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) [2022-02-16 10:37:17,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:37:17,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:37:17,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-02-16 10:37:17,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2022-02-16 10:37:17,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2022-02-16 10:37:17,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:39:40,240 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6843 transitions and produced 5317 states. [2022-02-16 10:39:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:39:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:39:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-02-16 10:39:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2022-02-16 10:39:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2022-02-16 10:39:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 473 states. [2022-02-16 10:39:40,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 10:39:40,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:39:40,444 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-16 10:39:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 10:39:40,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1862656456, now seen corresponding path program 6 times [2022-02-16 10:39:40,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 10:39:40,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180848084] [2022-02-16 10:39:40,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 10:39:40,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 10:39:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 10:40:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 264610 backedges. 167393 proven. 97185 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:40:27,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 10:40:27,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180848084] [2022-02-16 10:40:27,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180848084] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 10:40:27,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081401649] [2022-02-16 10:40:27,444 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 10:40:27,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:40:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 10:40:27,445 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) [2022-02-16 10:40:27,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 10:40:29,160 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 230 check-sat command(s) [2022-02-16 10:40:29,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 10:40:29,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 3393 conjuncts, 484 conjunts are in the unsatisfiable core [2022-02-16 10:40:29,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 10:40:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 264610 backedges. 167393 proven. 97185 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-16 10:40:32,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 10:41:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 264610 backedges. 167393 proven. 97217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 10:41:26,164 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081401649] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 10:41:26,164 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 10:41:26,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [467, 467, 483] total 815 [2022-02-16 10:41:26,165 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154177323] [2022-02-16 10:41:26,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 10:41:26,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 816 states [2022-02-16 10:41:26,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 10:41:26,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 816 interpolants. [2022-02-16 10:41:26,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186736, Invalid=478304, Unknown=0, NotChecked=0, Total=665040 [2022-02-16 10:41:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 10:41:26,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 10:41:26,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 816 states, 816 states have (on average 5.074754901960785) internal successors, (4141), 815 states have internal predecessors, (4141), 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) [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 473 states. [2022-02-16 10:41:26,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-16 10:48:24,802 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 [2022-02-16 10:48:24,803 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 [2022-02-16 10:48:24,814 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 10:48:25,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 10:48:25,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 10:48:25,311 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-16 10:48:25,315 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-16 10:48:25,315 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-16 10:48:25,315 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-16 10:48:25,323 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1] [2022-02-16 10:48:25,325 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 10:48:25,325 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 10:48:25,327 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 10:48:25 BasicIcfg [2022-02-16 10:48:25,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 10:48:25,328 INFO L158 Benchmark]: Toolchain (without parser) took 870441.42ms. Allocated memory was 242.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 204.2MB in the beginning and 1.2GB in the end (delta: -969.3MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-16 10:48:25,328 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 242.2MB. Free memory is still 205.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 10:48:25,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.02ms. Allocated memory is still 242.2MB. Free memory was 204.1MB in the beginning and 202.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 10:48:25,328 INFO L158 Benchmark]: Boogie Preprocessor took 9.59ms. Allocated memory is still 242.2MB. Free memory was 202.6MB in the beginning and 201.6MB in the end (delta: 976.6kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 10:48:25,329 INFO L158 Benchmark]: RCFGBuilder took 197.79ms. Allocated memory is still 242.2MB. Free memory was 201.6MB in the beginning and 192.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-16 10:48:25,329 INFO L158 Benchmark]: TraceAbstraction took 870211.78ms. Allocated memory was 242.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 192.4MB in the beginning and 1.2GB in the end (delta: -981.1MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-16 10:48:25,330 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 242.2MB. Free memory is still 205.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.02ms. Allocated memory is still 242.2MB. Free memory was 204.1MB in the beginning and 202.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.59ms. Allocated memory is still 242.2MB. Free memory was 202.6MB in the beginning and 201.6MB in the end (delta: 976.6kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 197.79ms. Allocated memory is still 242.2MB. Free memory was 201.6MB in the beginning and 192.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 870211.78ms. Allocated memory was 242.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 192.4MB in the beginning and 1.2GB in the end (delta: -981.1MB). Peak memory consumption was 1.8GB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 870.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 648.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1999, 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: 0.3s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 213.4s InterpolantComputationTime, 14292 NumberOfCodeBlocks, 14087 NumberOfCodeBlocksAsserted, 473 NumberOfCheckSat, 21125 ConstructedInterpolants, 0 QuantifiedInterpolants, 150669 SizeOfPredicates, 16 NumberOfNonLiveVariables, 9356 ConjunctsInSsa, 1278 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 958816/1612945 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