/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 18:51:44,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 18:51:44,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 18:51:44,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 18:51:44,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 18:51:44,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 18:51:44,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 18:51:44,634 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.epf [2022-02-09 18:51:44,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 18:51:44,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 18:51:44,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 18:51:44,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 18:51:44,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 18:51:44,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 18:51:44,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 18:51:44,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 18:51:44,671 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 18:51:44,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 18:51:44,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 18:51:44,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 18:51:44,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 18:51:44,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 18:51:44,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 18:51:44,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 18:51:44,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 18:51:44,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:51:44,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 18:51:44,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 18:51:44,676 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 18:51:44,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 18:51:44,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 18:51:44,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 18:51:44,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 18:51:44,919 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 18:51:44,919 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 18:51:44,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl [2022-02-09 18:51:44,921 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl' [2022-02-09 18:51:44,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 18:51:44,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 18:51:44,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 18:51:44,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 18:51:44,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 18:51:44,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,958 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 18:51:44,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 18:51:44,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 18:51:44,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 18:51:44,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 18:51:44,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 18:51:44,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 18:51:44,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 18:51:44,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 18:51:44,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/1) ... [2022-02-09 18:51:44,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:51:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:51:45,017 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) [2022-02-09 18:51:45,038 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 [2022-02-09 18:51:45,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 18:51:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 18:51:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 18:51:45,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 18:51:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 18:51:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 18:51:45,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 18:51:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 18:51:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 18:51:45,056 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 18:51:45,092 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 18:51:45,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 18:51:45,192 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 18:51:45,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 18:51:45,202 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 18:51:45,207 INFO L202 PluginConnector]: Adding new model misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:51:45 BoogieIcfgContainer [2022-02-09 18:51:45,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 18:51:45,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 18:51:45,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 18:51:45,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 18:51:45,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:51:44" (1/2) ... [2022-02-09 18:51:45,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d7662d and model type misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:51:45, skipping insertion in model container [2022-02-09 18:51:45,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:51:45" (2/2) ... [2022-02-09 18:51:45,217 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2-unrolled.wvr.bpl [2022-02-09 18:51:45,221 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 18:51:45,221 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 18:51:45,221 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 18:51:45,221 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 18:51:45,266 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 18:51:45,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 18:51:45,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:51:45,323 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) [2022-02-09 18:51:45,336 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 [2022-02-09 18:51:45,356 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 18:51:45,361 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=false, 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 [2022-02-09 18:51:45,361 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-09 18:51:45,367 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 25 transitions, 66 flow [2022-02-09 18:51:45,427 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 68 states, 67 states have (on average 1.955223880597015) internal successors, (131), 67 states have internal predecessors, (131), 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) [2022-02-09 18:51:45,491 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 661 transitions and produced 626 states. [2022-02-09 18:51:45,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:51:45,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:51:45,501 INFO L85 PathProgramCache]: Analyzing trace with hash 958751455, now seen corresponding path program 1 times [2022-02-09 18:51:45,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:51:45,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140925517] [2022-02-09 18:51:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:51:45,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:51:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:51:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6041 backedges. 5748 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:51:48,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:51:48,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140925517] [2022-02-09 18:51:48,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140925517] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:51:48,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146288782] [2022-02-09 18:51:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:51:48,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:51:48,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:51:48,902 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) [2022-02-09 18:51:48,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 18:51:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:51:49,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 114 conjunts are in the unsatisfiable core [2022-02-09 18:51:49,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:51:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6041 backedges. 5748 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:51:50,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:51:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6041 backedges. 5748 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:51:56,971 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146288782] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:51:56,971 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:51:56,971 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 93, 111] total 203 [2022-02-09 18:51:56,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086232172] [2022-02-09 18:51:56,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:51:56,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2022-02-09 18:51:56,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:51:57,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2022-02-09 18:51:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18768, Invalid=22644, Unknown=0, NotChecked=0, Total=41412 [2022-02-09 18:51:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:51:57,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:51:57,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 2.8284313725490198) internal successors, (577), 203 states have internal predecessors, (577), 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) [2022-02-09 18:51:57,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:52:14,430 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1501 transitions and produced 1304 states. [2022-02-09 18:52:14,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-02-09 18:52:14,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 18:52:14,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 18:52:14,660 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:52:14,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:52:14,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1075803278, now seen corresponding path program 2 times [2022-02-09 18:52:14,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:52:14,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878633669] [2022-02-09 18:52:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:52:14,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:52:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:52:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16919 backedges. 12145 proven. 4774 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:52:26,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:52:26,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878633669] [2022-02-09 18:52:26,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878633669] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:52:26,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213238770] [2022-02-09 18:52:26,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:52:26,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:52:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:52:26,847 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) [2022-02-09 18:52:26,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 18:52:27,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:52:27,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:52:27,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 180 conjunts are in the unsatisfiable core [2022-02-09 18:52:27,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:52:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16919 backedges. 10520 proven. 4774 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2022-02-09 18:52:27,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:52:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 16919 backedges. 10520 proven. 4774 refuted. 0 times theorem prover too weak. 1625 trivial. 0 not checked. [2022-02-09 18:52:38,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213238770] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:52:38,412 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:52:38,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 179, 179] total 318 [2022-02-09 18:52:38,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274223785] [2022-02-09 18:52:38,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:52:38,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2022-02-09 18:52:38,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:52:38,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2022-02-09 18:52:38,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25979, Invalid=75463, Unknown=0, NotChecked=0, Total=101442 [2022-02-09 18:52:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:52:38,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:52:38,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 2.529780564263323) internal successors, (807), 318 states have internal predecessors, (807), 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) [2022-02-09 18:52:38,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-02-09 18:52:38,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:53:06,289 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2937 transitions and produced 2224 states. [2022-02-09 18:53:06,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 18:53:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 18:53:06,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 18:53:06,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:53:06,508 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:53:06,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:53:06,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1615244582, now seen corresponding path program 3 times [2022-02-09 18:53:06,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:53:06,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695128525] [2022-02-09 18:53:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:53:06,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:53:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:53:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 29900 backedges. 16308 proven. 13592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:53:23,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:53:23,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695128525] [2022-02-09 18:53:23,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695128525] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:53:23,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351195207] [2022-02-09 18:53:23,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:53:23,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:53:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:53:23,159 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) [2022-02-09 18:53:23,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 18:53:23,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 83 check-sat command(s) [2022-02-09 18:53:23,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:53:23,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 312 conjunts are in the unsatisfiable core [2022-02-09 18:53:23,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:53:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 29900 backedges. 16308 proven. 13592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:53:24,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:53:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 29900 backedges. 16308 proven. 13592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:53:44,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351195207] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:53:44,399 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:53:44,399 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [297, 297, 311] total 483 [2022-02-09 18:53:44,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501862880] [2022-02-09 18:53:44,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:53:44,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 484 states [2022-02-09 18:53:44,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:53:44,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 484 interpolants. [2022-02-09 18:53:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66016, Invalid=167756, Unknown=0, NotChecked=0, Total=233772 [2022-02-09 18:53:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:53:44,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:53:44,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 484 states, 484 states have (on average 2.605371900826446) internal successors, (1261), 483 states have internal predecessors, (1261), 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) [2022-02-09 18:53:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 18:53:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 18:53:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:54:43,083 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2199 transitions and produced 1818 states. [2022-02-09 18:54:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 18:54:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 18:54:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2022-02-09 18:54:43,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 18:54:43,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:54:43,305 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:54:43,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:54:43,305 INFO L85 PathProgramCache]: Analyzing trace with hash 229666541, now seen corresponding path program 4 times [2022-02-09 18:54:43,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:54:43,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018592911] [2022-02-09 18:54:43,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:54:43,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:54:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:55:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 32171 backedges. 16687 proven. 15484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:55:01,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:55:01,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018592911] [2022-02-09 18:55:01,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018592911] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:55:01,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382560344] [2022-02-09 18:55:01,539 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:55:01,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:55:01,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:55:01,540 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) [2022-02-09 18:55:01,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 18:55:01,771 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:55:01,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:55:01,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 320 conjunts are in the unsatisfiable core [2022-02-09 18:55:01,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:55:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 32171 backedges. 16672 proven. 15484 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-09 18:55:02,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:55:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 32171 backedges. 16672 proven. 15484 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-09 18:55:20,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382560344] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:55:20,001 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:55:20,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [323, 319, 319] total 482 [2022-02-09 18:55:20,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100318755] [2022-02-09 18:55:20,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:55:20,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 483 states [2022-02-09 18:55:20,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:55:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 483 interpolants. [2022-02-09 18:55:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64569, Invalid=168237, Unknown=0, NotChecked=0, Total=232806 [2022-02-09 18:55:20,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:55:20,050 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:55:20,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 483 states, 483 states have (on average 2.5196687370600412) internal successors, (1217), 482 states have internal predecessors, (1217), 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) [2022-02-09 18:55:20,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 18:55:20,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 18:55:20,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2022-02-09 18:55:20,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:56:36,544 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3583 transitions and produced 2745 states. [2022-02-09 18:56:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 18:56:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 18:56:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2022-02-09 18:56:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-02-09 18:56:36,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 18:56:36,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:56:36,765 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 18:56:36,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:56:36,766 INFO L85 PathProgramCache]: Analyzing trace with hash -488485469, now seen corresponding path program 5 times [2022-02-09 18:56:36,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:56:36,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92967956] [2022-02-09 18:56:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:56:36,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:56:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 52408 backedges. 33493 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:57:03,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:03,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92967956] [2022-02-09 18:57:03,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92967956] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:03,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365181261] [2022-02-09 18:57:03,070 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:57:03,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:03,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:03,084 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) [2022-02-09 18:57:03,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 18:57:03,647 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 118 check-sat command(s) [2022-02-09 18:57:03,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:57:03,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 348 conjunts are in the unsatisfiable core [2022-02-09 18:57:03,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 52408 backedges. 18361 proven. 33762 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-02-09 18:57:12,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:57:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 52408 backedges. 18361 proven. 33762 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-02-09 18:57:37,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365181261] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:57:37,821 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:57:37,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [393, 345, 347] total 627 [2022-02-09 18:57:37,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317786791] [2022-02-09 18:57:37,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:57:37,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 628 states [2022-02-09 18:57:37,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:57:37,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 628 interpolants. [2022-02-09 18:57:37,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106476, Invalid=287280, Unknown=0, NotChecked=0, Total=393756 [2022-02-09 18:57:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:37,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:57:37,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 628 states, 628 states have (on average 2.6321656050955413) internal successors, (1653), 627 states have internal predecessors, (1653), 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) [2022-02-09 18:57:37,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 18:57:37,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 18:57:37,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2022-02-09 18:57:37,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2022-02-09 18:57:37,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:00:35,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3098 transitions and produced 2514 states. [2022-02-09 19:00:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 19:00:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 19:00:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2022-02-09 19:00:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-02-09 19:00:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 455 states. [2022-02-09 19:00:35,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 19:00:35,925 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 [2022-02-09 19:00:35,925 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 19:00:35,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:00:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash 157286896, now seen corresponding path program 6 times [2022-02-09 19:00:35,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:00:35,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538643923] [2022-02-09 19:00:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:00:35,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:00:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:01:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 64072 backedges. 31753 proven. 32319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:01:16,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:01:16,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538643923] [2022-02-09 19:01:16,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538643923] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:01:16,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038020228] [2022-02-09 19:01:16,070 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 19:01:16,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:01:16,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:01:16,072 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) [2022-02-09 19:01:16,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 19:01:16,819 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 115 check-sat command(s) [2022-02-09 19:01:16,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:01:16,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 456 conjunts are in the unsatisfiable core [2022-02-09 19:01:16,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:01:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 64072 backedges. 31753 proven. 32319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:01:18,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:02:01,155 INFO L134 CoverageAnalysis]: Checked inductivity of 64072 backedges. 31753 proven. 32319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:02:01,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038020228] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:02:01,156 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:02:01,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [455, 455, 455] total 682 [2022-02-09 19:02:01,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136523305] [2022-02-09 19:02:01,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:02:01,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 683 states [2022-02-09 19:02:01,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:02:01,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 683 interpolants. [2022-02-09 19:02:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129845, Invalid=335961, Unknown=0, NotChecked=0, Total=465806 [2022-02-09 19:02:01,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:02:01,218 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:02:01,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 683 states, 683 states have (on average 2.5109809663250364) internal successors, (1715), 682 states have internal predecessors, (1715), 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) [2022-02-09 19:02:01,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 19:02:01,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 19:02:01,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2022-02-09 19:02:01,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2022-02-09 19:02:01,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 455 states. [2022-02-09 19:02:01,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:04:23,879 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3105 transitions and produced 2521 states. [2022-02-09 19:04:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-09 19:04:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2022-02-09 19:04:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2022-02-09 19:04:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 400 states. [2022-02-09 19:04:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 455 states. [2022-02-09 19:04:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 457 states. [2022-02-09 19:04:23,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-09 19:04:24,095 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 [2022-02-09 19:04:24,095 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-09 19:04:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:04:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1738174098, now seen corresponding path program 7 times [2022-02-09 19:04:24,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:04:24,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422325936] [2022-02-09 19:04:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:04:24,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:04:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:04:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 64638 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64638 trivial. 0 not checked. [2022-02-09 19:04:26,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:04:26,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422325936] [2022-02-09 19:04:26,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422325936] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 19:04:26,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 19:04:26,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 19:04:26,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173503302] [2022-02-09 19:04:26,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 19:04:26,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 19:04:26,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:04:26,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 19:04:26,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 19:04:26,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:04:26,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:04:26,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 400 states. [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 455 states. [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 457 states. [2022-02-09 19:04:26,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-09 19:06:06,885 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 [2022-02-09 19:06:06,886 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 [2022-02-09 19:06:06,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 19:06:06,986 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-09 19:06:06,989 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-09 19:06:06,990 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-09 19:06:06,990 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-09 19:06:07,006 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-02-09 19:06:07,008 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 19:06:07,008 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 19:06:07,011 INFO L202 PluginConnector]: Adding new model misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:06:07 BasicIcfg [2022-02-09 19:06:07,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 19:06:07,012 INFO L158 Benchmark]: Toolchain (without parser) took 862073.19ms. Allocated memory was 188.7MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 154.2MB in the beginning and 902.5MB in the end (delta: -748.2MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-09 19:06:07,013 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 188.7MB. Free memory was 155.4MB in the beginning and 155.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:06:07,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.05ms. Allocated memory is still 188.7MB. Free memory was 154.2MB in the beginning and 152.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:06:07,014 INFO L158 Benchmark]: Boogie Preprocessor took 12.91ms. Allocated memory is still 188.7MB. Free memory was 152.7MB in the beginning and 151.7MB in the end (delta: 927.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:06:07,014 INFO L158 Benchmark]: RCFGBuilder took 234.15ms. Allocated memory is still 188.7MB. Free memory was 151.7MB in the beginning and 143.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-09 19:06:07,014 INFO L158 Benchmark]: TraceAbstraction took 861801.94ms. Allocated memory was 188.7MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 142.7MB in the beginning and 902.5MB in the end (delta: -759.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-09 19:06:07,039 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 188.7MB. Free memory was 155.4MB in the beginning and 155.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.05ms. Allocated memory is still 188.7MB. Free memory was 154.2MB in the beginning and 152.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.91ms. Allocated memory is still 188.7MB. Free memory was 152.7MB in the beginning and 151.7MB in the end (delta: 927.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.15ms. Allocated memory is still 188.7MB. Free memory was 151.7MB in the beginning and 143.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 861801.94ms. Allocated memory was 188.7MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 142.7MB in the beginning and 902.5MB in the end (delta: -759.7MB). 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: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 40]: 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: 40]: 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, 40 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 861.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 601.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 2407, 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, 5.4s SatisfiabilityAnalysisTime, 252.6s InterpolantComputationTime, 10443 NumberOfCodeBlocks, 10443 NumberOfCodeBlocksAsserted, 327 NumberOfCheckSat, 15070 ConstructedInterpolants, 0 QuantifiedInterpolants, 111920 SizeOfPredicates, 18 NumberOfNonLiveVariables, 8400 ConjunctsInSsa, 1730 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 383346/669171 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