/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 11:13:55,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 11:13:55,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 11:13:55,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 11:13:55,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 11:13:55,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 11:13:55,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 11:13:55,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 11:13:55,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 11:13:55,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 11:13:55,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 11:13:55,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 11:13:55,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 11:13:55,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 11:13:55,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 11:13:55,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 11:13:55,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 11:13:55,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 11:13:55,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 11:13:55,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 11:13:55,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 11:13:55,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 11:13:55,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 11:13:55,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 11:13:55,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 11:13:55,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 11:13:55,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 11:13:55,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 11:13:55,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-04 11:13:55,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 11:13:55,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 11:13:55,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 11:13:55,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 11:13:55,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 11:13:55,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 11:13:55,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 11:13:55,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 11:13:55,723 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 11:13:55,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 11:13:55,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 11:13:55,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 11:13:55,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 11:13:55,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 11:13:55,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 11:13:55,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 11:13:55,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 11:13:55,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 11:13:55,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 11:13:55,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:13:55,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 11:13:55,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 11:13:55,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 11:13:55,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 11:13:55,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 11:13:55,908 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 11:13:55,910 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 11:13:55,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl [2022-03-04 11:13:55,912 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl' [2022-03-04 11:13:55,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 11:13:55,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 11:13:55,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 11:13:55,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 11:13:55,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 11:13:55,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,967 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 11:13:55,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 11:13:55,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 11:13:55,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 11:13:55,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 11:13:55,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 11:13:55,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 11:13:55,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 11:13:55,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 11:13:55,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/1) ... [2022-03-04 11:13:55,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:13:56,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:13:56,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 11:13:56,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 11:13:56,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 11:13:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 11:13:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 11:13:56,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 11:13:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 11:13:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 11:13:56,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 11:13:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 11:13:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 11:13:56,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 11:13:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 11:13:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 11:13:56,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 11:13:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 11:13:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 11:13:56,055 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 11:13:56,089 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 11:13:56,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 11:13:56,177 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 11:13:56,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 11:13:56,192 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 11:13:56,193 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:13:56 BoogieIcfgContainer [2022-03-04 11:13:56,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 11:13:56,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 11:13:56,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 11:13:56,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 11:13:56,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:13:55" (1/2) ... [2022-03-04 11:13:56,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a81dbd3 and model type counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:13:56, skipping insertion in model container [2022-03-04 11:13:56,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:13:56" (2/2) ... [2022-03-04 11:13:56,225 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-determinism.wvr.bpl [2022-03-04 11:13:56,228 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 11:13:56,229 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 11:13:56,229 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 11:13:56,229 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 11:13:56,266 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 11:13:56,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 11:13:56,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:13:56,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 11:13:56,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 11:13:56,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 11:13:56,353 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-04 11:13:56,353 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 11:13:56,676 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 693 transitions and produced 640 states. [2022-03-04 11:13:56,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:13:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:13:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1301531829, now seen corresponding path program 1 times [2022-03-04 11:13:56,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:13:56,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564161973] [2022-03-04 11:13:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:13:56,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:13:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:13:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 441 proven. 1660 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-03-04 11:13:57,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:13:57,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564161973] [2022-03-04 11:13:57,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564161973] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:13:57,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643088673] [2022-03-04 11:13:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:13:57,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:13:57,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:13:57,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:13:57,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 11:13:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:13:57,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-04 11:13:57,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:13:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 1388 proven. 344 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-03-04 11:13:58,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:13:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 1388 proven. 344 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-03-04 11:13:59,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643088673] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:13:59,243 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:13:59,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 29, 29] total 69 [2022-03-04 11:13:59,245 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375959245] [2022-03-04 11:13:59,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:13:59,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-03-04 11:13:59,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:13:59,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-03-04 11:13:59,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=3677, Unknown=0, NotChecked=0, Total=4692 [2022-03-04 11:13:59,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:13:59,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:13:59,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.8405797101449277) internal successors, (196), 69 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:13:59,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:01,921 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 900 transitions and produced 818 states. [2022-03-04 11:14:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-04 11:14:01,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 11:14:02,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 11:14:02,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:14:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:14:02,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1774538179, now seen corresponding path program 2 times [2022-03-04 11:14:02,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:14:02,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119308036] [2022-03-04 11:14:02,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:14:02,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:14:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:14:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 1692 proven. 441 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-03-04 11:14:02,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:14:02,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119308036] [2022-03-04 11:14:02,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119308036] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:14:02,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237223215] [2022-03-04 11:14:02,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:14:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:02,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:14:02,446 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:14:02,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 11:14:02,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:14:02,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:14:02,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-04 11:14:02,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:14:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 1692 proven. 441 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-03-04 11:14:02,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:14:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 1692 proven. 441 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-03-04 11:14:03,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237223215] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:14:03,010 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:14:03,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2022-03-04 11:14:03,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971387723] [2022-03-04 11:14:03,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:14:03,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-04 11:14:03,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:14:03,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-04 11:14:03,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-03-04 11:14:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:03,012 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:14:03,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.166666666666667) internal successors, (124), 24 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:14:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-03-04 11:14:03,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:05,337 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1636 transitions and produced 1463 states. [2022-03-04 11:14:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:14:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:14:05,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 11:14:05,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:05,539 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:14:05,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:14:05,539 INFO L85 PathProgramCache]: Analyzing trace with hash 350922617, now seen corresponding path program 3 times [2022-03-04 11:14:05,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:14:05,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970716121] [2022-03-04 11:14:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:14:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:14:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:14:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7602 backedges. 5711 proven. 1875 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-04 11:14:10,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:14:10,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970716121] [2022-03-04 11:14:10,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970716121] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:14:10,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847398312] [2022-03-04 11:14:10,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:14:10,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:14:10,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:14:10,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 11:14:10,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2022-03-04 11:14:10,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:14:10,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-04 11:14:10,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:14:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7602 backedges. 1501 proven. 1772 refuted. 0 times theorem prover too weak. 4329 trivial. 0 not checked. [2022-03-04 11:14:12,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:14:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7602 backedges. 1501 proven. 1772 refuted. 0 times theorem prover too weak. 4329 trivial. 0 not checked. [2022-03-04 11:14:13,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847398312] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:14:13,306 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:14:13,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 17, 17] total 150 [2022-03-04 11:14:13,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714393204] [2022-03-04 11:14:13,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:14:13,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2022-03-04 11:14:13,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:14:13,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2022-03-04 11:14:13,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3980, Invalid=18670, Unknown=0, NotChecked=0, Total=22650 [2022-03-04 11:14:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:13,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:14:13,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 2.5364238410596025) internal successors, (383), 150 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:14:13,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:14:13,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:14:13,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:26,594 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3471 transitions and produced 2977 states. [2022-03-04 11:14:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:14:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:14:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:14:26,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-04 11:14:26,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:26,796 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:14:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:14:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1797173199, now seen corresponding path program 4 times [2022-03-04 11:14:26,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:14:26,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833577635] [2022-03-04 11:14:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:14:26,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:14:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:14:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36884 backedges. 21041 proven. 6084 refuted. 0 times theorem prover too weak. 9759 trivial. 0 not checked. [2022-03-04 11:14:29,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:14:29,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833577635] [2022-03-04 11:14:29,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833577635] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:14:29,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953581166] [2022-03-04 11:14:29,059 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 11:14:29,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:29,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:14:29,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:14:29,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 11:14:29,283 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 11:14:29,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:14:29,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 158 conjunts are in the unsatisfiable core [2022-03-04 11:14:29,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:14:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 36884 backedges. 21041 proven. 6084 refuted. 0 times theorem prover too weak. 9759 trivial. 0 not checked. [2022-03-04 11:14:30,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:14:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 36884 backedges. 21041 proven. 6084 refuted. 0 times theorem prover too weak. 9759 trivial. 0 not checked. [2022-03-04 11:14:31,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953581166] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:14:31,084 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:14:31,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 81 [2022-03-04 11:14:31,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665157361] [2022-03-04 11:14:31,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:14:31,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-03-04 11:14:31,085 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:14:31,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-03-04 11:14:31,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2022-03-04 11:14:31,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:31,087 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:14:31,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 4.679012345679013) internal successors, (379), 81 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:14:31,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:14:31,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:14:31,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:14:31,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:14:32,482 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4155 transitions and produced 3600 states. [2022-03-04 11:14:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:14:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:14:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:14:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:14:32,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 11:14:32,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:32,683 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:14:32,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:14:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash -752934811, now seen corresponding path program 5 times [2022-03-04 11:14:32,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:14:32,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935566032] [2022-03-04 11:14:32,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:14:32,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:14:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:14:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 46676 backedges. 27006 proven. 16336 refuted. 0 times theorem prover too weak. 3334 trivial. 0 not checked. [2022-03-04 11:14:37,056 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:14:37,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935566032] [2022-03-04 11:14:37,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935566032] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:14:37,056 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143533373] [2022-03-04 11:14:37,056 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 11:14:37,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:14:37,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:14:37,057 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:14:37,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 11:14:37,523 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 127 check-sat command(s) [2022-03-04 11:14:37,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:14:37,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 167 conjunts are in the unsatisfiable core [2022-03-04 11:14:37,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:14:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 46676 backedges. 18361 proven. 19906 refuted. 0 times theorem prover too weak. 8409 trivial. 0 not checked. [2022-03-04 11:14:50,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:15:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 46676 backedges. 33753 proven. 4506 refuted. 0 times theorem prover too weak. 8417 trivial. 0 not checked. [2022-03-04 11:15:04,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143533373] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:15:04,862 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:15:04,863 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 168, 160] total 444 [2022-03-04 11:15:04,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271203488] [2022-03-04 11:15:04,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:15:04,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 444 states [2022-03-04 11:15:04,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:15:04,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 444 interpolants. [2022-03-04 11:15:04,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42574, Invalid=154118, Unknown=0, NotChecked=0, Total=196692 [2022-03-04 11:15:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:15:04,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:15:04,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 444 states, 444 states have (on average 3.150900900900901) internal successors, (1399), 444 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:15:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:15:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:15:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:15:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:15:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:16:20,248 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7074 transitions and produced 6029 states. [2022-03-04 11:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:16:20,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 11:16:20,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:16:20,456 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:16:20,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:16:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1556187193, now seen corresponding path program 6 times [2022-03-04 11:16:20,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:16:20,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144616001] [2022-03-04 11:16:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:16:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:16:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:16:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 125770 backedges. 72530 proven. 27685 refuted. 0 times theorem prover too weak. 25555 trivial. 0 not checked. [2022-03-04 11:16:28,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:16:28,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144616001] [2022-03-04 11:16:28,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144616001] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:16:28,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509678020] [2022-03-04 11:16:28,234 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 11:16:28,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:16:28,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:16:28,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:16:28,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 11:16:29,609 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 249 check-sat command(s) [2022-03-04 11:16:29,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:16:29,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2777 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-04 11:16:29,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:16:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 125770 backedges. 18555 proven. 72478 refuted. 0 times theorem prover too weak. 34737 trivial. 0 not checked. [2022-03-04 11:16:38,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:16:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 125770 backedges. 18555 proven. 72478 refuted. 0 times theorem prover too weak. 34737 trivial. 0 not checked. [2022-03-04 11:16:45,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509678020] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:16:45,861 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:16:45,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [159, 84, 84] total 323 [2022-03-04 11:16:45,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532803320] [2022-03-04 11:16:45,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:16:45,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 323 states [2022-03-04 11:16:45,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:16:45,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 323 interpolants. [2022-03-04 11:16:45,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23188, Invalid=80818, Unknown=0, NotChecked=0, Total=104006 [2022-03-04 11:16:45,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:16:45,882 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:16:45,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 323 states, 323 states have (on average 3.486068111455108) internal successors, (1126), 323 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:16:45,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:16:45,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:16:45,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:16:45,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:16:45,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:16:45,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:17:55,265 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11755 transitions and produced 10008 states. [2022-03-04 11:17:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:17:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:17:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:17:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:17:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:17:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-04 11:17:55,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-04 11:17:55,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:17:55,479 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:17:55,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:17:55,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1520859047, now seen corresponding path program 7 times [2022-03-04 11:17:55,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:17:55,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807103193] [2022-03-04 11:17:55,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:17:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:17:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:18:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 361537 backedges. 132394 proven. 42076 refuted. 0 times theorem prover too weak. 187067 trivial. 0 not checked. [2022-03-04 11:18:08,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:18:08,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807103193] [2022-03-04 11:18:08,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807103193] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:18:08,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123551785] [2022-03-04 11:18:08,039 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 11:18:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:18:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:18:08,060 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:18:08,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 11:18:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:18:08,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 5944 conjuncts, 410 conjunts are in the unsatisfiable core [2022-03-04 11:18:08,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:18:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 361537 backedges. 132394 proven. 42076 refuted. 0 times theorem prover too weak. 187067 trivial. 0 not checked. [2022-03-04 11:18:11,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:18:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 361537 backedges. 132394 proven. 42076 refuted. 0 times theorem prover too weak. 187067 trivial. 0 not checked. [2022-03-04 11:18:13,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123551785] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:18:13,859 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:18:13,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [198, 198, 198] total 198 [2022-03-04 11:18:13,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285471475] [2022-03-04 11:18:13,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:18:13,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2022-03-04 11:18:13,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:18:13,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2022-03-04 11:18:13,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2022-03-04 11:18:13,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:18:13,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:18:13,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 198 states have (on average 4.262626262626263) internal successors, (844), 198 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 554 states. [2022-03-04 11:18:13,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:18:33,254 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12340 transitions and produced 10437 states. [2022-03-04 11:18:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:18:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:18:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:18:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:18:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:18:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-04 11:18:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-04 11:18:33,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 11:18:33,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-04 11:18:33,456 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:18:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:18:33,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1728023015, now seen corresponding path program 8 times [2022-03-04 11:18:33,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:18:33,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530404767] [2022-03-04 11:18:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:18:33,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:18:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:18:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 378970 backedges. 151939 proven. 59509 refuted. 0 times theorem prover too weak. 167522 trivial. 0 not checked. [2022-03-04 11:18:51,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:18:51,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530404767] [2022-03-04 11:18:51,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530404767] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:18:51,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322602119] [2022-03-04 11:18:51,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:18:51,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:18:51,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:18:51,095 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:18:51,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 11:18:52,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:18:52,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:18:52,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 6139 conjuncts, 488 conjunts are in the unsatisfiable core [2022-03-04 11:18:52,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:18:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 378970 backedges. 151939 proven. 59509 refuted. 0 times theorem prover too weak. 167522 trivial. 0 not checked. [2022-03-04 11:18:54,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:18:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 378970 backedges. 151939 proven. 59509 refuted. 0 times theorem prover too weak. 167522 trivial. 0 not checked. [2022-03-04 11:18:57,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322602119] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:18:57,592 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:18:57,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [237, 237, 237] total 237 [2022-03-04 11:18:57,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001297721] [2022-03-04 11:18:57,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:18:57,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 237 states [2022-03-04 11:18:57,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:18:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2022-03-04 11:18:57,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27966, Invalid=27966, Unknown=0, NotChecked=0, Total=55932 [2022-03-04 11:18:57,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:18:57,600 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:18:57,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 237 states, 237 states have (on average 4.29957805907173) internal successors, (1019), 237 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 554 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-03-04 11:18:57,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:19:33,045 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12925 transitions and produced 10866 states. [2022-03-04 11:19:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:19:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:19:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:19:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:19:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:19:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 554 states. [2022-03-04 11:19:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-04 11:19:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2022-03-04 11:19:33,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 11:19:33,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:19:33,251 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 11:19:33,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:19:33,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1068845813, now seen corresponding path program 9 times [2022-03-04 11:19:33,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:19:33,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387128063] [2022-03-04 11:19:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:19:33,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:19:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:19:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 399445 backedges. 168684 proven. 79984 refuted. 0 times theorem prover too weak. 150777 trivial. 0 not checked. [2022-03-04 11:19:56,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:19:56,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387128063] [2022-03-04 11:19:56,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387128063] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:19:56,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260298482] [2022-03-04 11:19:56,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:19:56,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:19:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:19:56,940 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:19:56,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 11:20:04,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 325 check-sat command(s) [2022-03-04 11:20:04,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:20:04,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 6121 conjuncts, 370 conjunts are in the unsatisfiable core [2022-03-04 11:20:04,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:21:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 399445 backedges. 83671 proven. 273382 refuted. 0 times theorem prover too weak. 42392 trivial. 0 not checked. [2022-03-04 11:21:17,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:22:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 399445 backedges. 87645 proven. 269408 refuted. 0 times theorem prover too weak. 42392 trivial. 0 not checked. [2022-03-04 11:22:58,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260298482] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:22:58,121 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:22:58,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [276, 370, 370] total 1014 [2022-03-04 11:22:58,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224178003] [2022-03-04 11:22:58,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:22:58,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 1014 states [2022-03-04 11:22:58,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:22:58,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 1014 interpolants. [2022-03-04 11:22:58,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234371, Invalid=792811, Unknown=0, NotChecked=0, Total=1027182 [2022-03-04 11:22:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:22:58,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:22:58,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 1014 states, 1014 states have (on average 3.0719921104536487) internal successors, (3115), 1014 states have internal predecessors, (3115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 548 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 554 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2022-03-04 11:22:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-04 11:26:13,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:26:13,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:26:13,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:26:14,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-04 11:26:14,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-04 11:26:14,209 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-04 11:26:14,211 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 11:26:14,211 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 11:26:14,211 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 11:26:14,211 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 11:26:14,211 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 11:26:14,217 INFO L732 BasicCegarLoop]: Path program histogram: [9] [2022-03-04 11:26:14,218 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 11:26:14,218 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 11:26:14,229 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 11:26:14 BasicIcfg [2022-03-04 11:26:14,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 11:26:14,229 INFO L158 Benchmark]: Toolchain (without parser) took 738288.61ms. Allocated memory was 165.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 123.2MB in the beginning and 505.7MB in the end (delta: -382.5MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-04 11:26:14,229 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 11:26:14,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.95ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 121.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 11:26:14,230 INFO L158 Benchmark]: Boogie Preprocessor took 20.68ms. Allocated memory is still 165.7MB. Free memory was 121.5MB in the beginning and 120.6MB in the end (delta: 903.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 11:26:14,230 INFO L158 Benchmark]: RCFGBuilder took 201.33ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 110.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 11:26:14,230 INFO L158 Benchmark]: TraceAbstraction took 738034.57ms. Allocated memory was 165.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 110.0MB in the beginning and 505.7MB in the end (delta: -395.7MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2022-03-04 11:26:14,231 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 165.7MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.95ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 121.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.68ms. Allocated memory is still 165.7MB. Free memory was 121.5MB in the beginning and 120.6MB in the end (delta: 903.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 201.33ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 110.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 738034.57ms. Allocated memory was 165.7MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 110.0MB in the beginning and 505.7MB in the end (delta: -395.7MB). Peak memory consumption was 2.0GB. 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: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 75]: 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: 74]: 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: 74]: 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: 76]: 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 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 737.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 415.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2556, 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: 0.6s SsaConstructionTime, 18.3s SatisfiabilityAnalysisTime, 301.0s InterpolantComputationTime, 19926 NumberOfCodeBlocks, 19574 NumberOfCodeBlocksAsserted, 737 NumberOfCheckSat, 29862 ConstructedInterpolants, 0 QuantifiedInterpolants, 102666 SizeOfPredicates, 29 NumberOfNonLiveVariables, 26187 ConjunctsInSsa, 1766 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 2919297/4087557 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