/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 16:52:57,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 16:52:57,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 16:52:57,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 16:52:57,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 16:52:57,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 16:52:57,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 16:52:57,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 16:52:57,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 16:52:57,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 16:52:57,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 16:52:57,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 16:52:57,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 16:52:57,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 16:52:57,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 16:52:57,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 16:52:57,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 16:52:57,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 16:52:57,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 16:52:57,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 16:52:57,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-02-19 16:52:57,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 16:52:57,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 16:52:57,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 16:52:57,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 16:52:57,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 16:52:57,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 16:52:57,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 16:52:57,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 16:52:57,323 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 16:52:57,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 16:52:57,323 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 16:52:57,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 16:52:57,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 16:52:57,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 16:52:57,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 16:52:57,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:52:57,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 16:52:57,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 16:52:57,327 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 16:52:57,327 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 16:52:57,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 16:52:57,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 16:52:57,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 16:52:57,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 16:52:57,540 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 16:52:57,542 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 16:52:57,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl [2022-02-19 16:52:57,543 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl' [2022-02-19 16:52:57,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 16:52:57,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 16:52:57,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 16:52:57,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 16:52:57,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 16:52:57,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,586 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 16:52:57,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 16:52:57,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 16:52:57,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 16:52:57,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 16:52:57,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 16:52:57,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 16:52:57,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 16:52:57,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 16:52:57,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/1) ... [2022-02-19 16:52:57,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:52:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:52:57,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 16:52:57,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 16:52:57,672 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 16:52:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 16:52:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 16:52:57,673 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 16:52:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 16:52:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 16:52:57,673 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 16:52:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 16:52:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 16:52:57,673 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 16:52:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 16:52:57,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 16:52:57,674 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-19 16:52:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-19 16:52:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-19 16:52:57,675 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 16:52:57,706 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 16:52:57,707 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 16:52:57,808 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 16:52:57,820 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 16:52:57,820 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 16:52:57,822 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:52:57 BoogieIcfgContainer [2022-02-19 16:52:57,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 16:52:57,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 16:52:57,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 16:52:57,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 16:52:57,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:52:57" (1/2) ... [2022-02-19 16:52:57,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3e31a4 and model type hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:52:57, skipping insertion in model container [2022-02-19 16:52:57,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:52:57" (2/2) ... [2022-02-19 16:52:57,827 INFO L111 eAbstractionObserver]: Analyzing ICFG hard1.wvr.bpl [2022-02-19 16:52:57,830 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 16:52:57,830 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 16:52:57,831 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 16:52:57,831 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 16:52:57,886 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-19 16:52:57,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 16:52:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:52:57,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 16:52:57,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 16:52:58,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 16:52:58,017 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-02-19 16:52:58,017 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 16:52:58,209 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4720 transitions and produced 1499 states. [2022-02-19 16:52:58,211 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:52:58,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:52:58,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2017148938, now seen corresponding path program 1 times [2022-02-19 16:52:58,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:52:58,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229388434] [2022-02-19 16:52:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:52:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:52:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:52:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-02-19 16:52:58,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:52:58,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229388434] [2022-02-19 16:52:58,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229388434] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 16:52:58,453 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 16:52:58,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 16:52:58,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403946093] [2022-02-19 16:52:58,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 16:52:58,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 16:52:58,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:52:58,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 16:52:58,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-19 16:52:58,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:52:58,526 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:52:58,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:52:58,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:52:58,644 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3134 transitions and produced 1118 states. [2022-02-19 16:52:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:52:58,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 16:52:58,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:52:58,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:52:58,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1945404552, now seen corresponding path program 2 times [2022-02-19 16:52:58,647 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:52:58,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952034750] [2022-02-19 16:52:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:52:58,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:52:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:52:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-02-19 16:52:58,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:52:58,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952034750] [2022-02-19 16:52:58,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952034750] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 16:52:58,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 16:52:58,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 16:52:58,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618400797] [2022-02-19 16:52:58,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 16:52:58,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 16:52:58,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:52:58,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 16:52:58,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-19 16:52:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:52:58,774 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:52:58,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:52:58,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:52:58,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:52:58,845 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 428 transitions and produced 367 states. [2022-02-19 16:52:58,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:52:58,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:52:58,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 16:52:58,846 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:52:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:52:58,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1648269702, now seen corresponding path program 3 times [2022-02-19 16:52:58,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:52:58,847 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388207940] [2022-02-19 16:52:58,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:52:58,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:52:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:53:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:53:00,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:53:00,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388207940] [2022-02-19 16:53:00,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388207940] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:53:00,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964191091] [2022-02-19 16:53:00,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 16:53:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:53:00,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:53:00,419 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:53:00,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 16:53:00,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-02-19 16:53:00,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:53:00,509 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 104 conjunts are in the unsatisfiable core [2022-02-19 16:53:00,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:53:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:53:05,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:53:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:53:09,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964191091] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:53:09,098 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:53:09,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 51, 41] total 124 [2022-02-19 16:53:09,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902557310] [2022-02-19 16:53:09,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:53:09,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-02-19 16:53:09,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:53:09,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-02-19 16:53:09,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=14933, Unknown=0, NotChecked=0, Total=15500 [2022-02-19 16:53:09,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:53:09,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:53:09,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.632) internal successors, (204), 124 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:53:09,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:09,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:09,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:53:37,169 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48255 transitions and produced 12205 states. [2022-02-19 16:53:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-02-19 16:53:37,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 16:53:37,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 16:53:37,371 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:53:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:53:37,371 INFO L85 PathProgramCache]: Analyzing trace with hash -16127602, now seen corresponding path program 4 times [2022-02-19 16:53:37,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:53:37,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618521609] [2022-02-19 16:53:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:53:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:53:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:53:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 17 proven. 345 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:53:38,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:53:38,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618521609] [2022-02-19 16:53:38,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618521609] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:53:38,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779385482] [2022-02-19 16:53:38,290 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 16:53:38,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:53:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:53:38,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:53:38,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 16:53:38,342 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 16:53:38,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:53:38,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-19 16:53:38,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:53:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 344 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:53:39,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:53:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 237 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:53:41,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779385482] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:53:41,076 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:53:41,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 44, 34] total 111 [2022-02-19 16:53:41,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957843219] [2022-02-19 16:53:41,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:53:41,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-02-19 16:53:41,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:53:41,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-02-19 16:53:41,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2061, Invalid=10371, Unknown=0, NotChecked=0, Total=12432 [2022-02-19 16:53:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:53:41,080 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:53:41,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 1.9196428571428572) internal successors, (215), 111 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:53:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-02-19 16:53:41,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:53:47,194 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89362 transitions and produced 21985 states. [2022-02-19 16:53:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-02-19 16:53:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-02-19 16:53:47,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 16:53:47,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:53:47,396 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:53:47,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:53:47,396 INFO L85 PathProgramCache]: Analyzing trace with hash -662992086, now seen corresponding path program 1 times [2022-02-19 16:53:47,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:53:47,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949464463] [2022-02-19 16:53:47,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:53:47,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:53:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:53:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 64 proven. 307 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-02-19 16:53:47,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:53:47,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949464463] [2022-02-19 16:53:47,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949464463] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:53:47,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000390138] [2022-02-19 16:53:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:53:47,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:53:47,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:53:47,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:53:47,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 16:53:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:53:47,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-19 16:53:47,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:53:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 169 proven. 273 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 16:53:48,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:53:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 361 proven. 81 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 16:53:49,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000390138] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:53:49,438 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:53:49,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 38, 34] total 76 [2022-02-19 16:53:49,439 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6116745] [2022-02-19 16:53:49,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:53:49,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-02-19 16:53:49,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:53:49,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-02-19 16:53:49,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=4141, Unknown=0, NotChecked=0, Total=5852 [2022-02-19 16:53:49,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:53:49,441 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:53:49,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.1818181818181817) internal successors, (168), 76 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:53:49,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:49,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:49,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2022-02-19 16:53:49,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-02-19 16:53:49,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:53:58,462 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207771 transitions and produced 50755 states. [2022-02-19 16:53:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:53:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:53:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:53:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:53:58,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 16:53:58,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:53:58,663 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:53:58,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:53:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash -2057342212, now seen corresponding path program 1 times [2022-02-19 16:53:58,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:53:58,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083054561] [2022-02-19 16:53:58,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:53:58,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:53:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:53:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-19 16:53:59,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:53:59,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083054561] [2022-02-19 16:53:59,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083054561] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:53:59,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923545955] [2022-02-19 16:53:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:53:59,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:53:59,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:53:59,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:53:59,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 16:53:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:53:59,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjunts are in the unsatisfiable core [2022-02-19 16:53:59,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:54:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-19 16:54:00,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:54:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 486 proven. 196 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-02-19 16:54:01,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923545955] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:54:01,120 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:54:01,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 59, 45] total 103 [2022-02-19 16:54:01,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684623187] [2022-02-19 16:54:01,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:54:01,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-02-19 16:54:01,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:54:01,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-02-19 16:54:01,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2966, Invalid=7746, Unknown=0, NotChecked=0, Total=10712 [2022-02-19 16:54:01,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:54:01,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:54:01,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 1.6923076923076923) internal successors, (176), 103 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:54:01,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:54:01,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:54:01,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:54:01,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:54:01,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:54:01,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:54:06,197 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 399310 transitions and produced 88361 states. [2022-02-19 16:54:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:54:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:54:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:54:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:54:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:54:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 16:54:06,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 16:54:06,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:54:06,400 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:54:06,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:54:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1924598458, now seen corresponding path program 5 times [2022-02-19 16:54:06,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:54:06,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977324009] [2022-02-19 16:54:06,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:54:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:54:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:54:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:54:09,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:54:09,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977324009] [2022-02-19 16:54:09,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977324009] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:54:09,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724441850] [2022-02-19 16:54:09,275 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 16:54:09,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:54:09,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:54:09,277 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:54:09,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 16:54:09,394 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2022-02-19 16:54:09,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:54:09,398 WARN L261 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 244 conjunts are in the unsatisfiable core [2022-02-19 16:54:09,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:54:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:54:15,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:54:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 1170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:54:22,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724441850] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:54:22,796 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:54:22,796 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 86, 64] total 213 [2022-02-19 16:54:22,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387085979] [2022-02-19 16:54:22,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:54:22,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-02-19 16:54:22,797 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:54:22,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-02-19 16:54:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1150, Invalid=44432, Unknown=0, NotChecked=0, Total=45582 [2022-02-19 16:54:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:54:22,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:54:22,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 1.6495327102803738) internal successors, (353), 213 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 16:54:22,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:57:15,123 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 631044 transitions and produced 138701 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 16:57:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:57:15,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 16:57:15,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:57:15,340 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:57:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:57:15,340 INFO L85 PathProgramCache]: Analyzing trace with hash 306750612, now seen corresponding path program 6 times [2022-02-19 16:57:15,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:57:15,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25645855] [2022-02-19 16:57:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:57:15,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:57:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:57:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1102 proven. 797 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-19 16:57:17,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:57:17,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25645855] [2022-02-19 16:57:17,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25645855] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:57:17,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240586927] [2022-02-19 16:57:17,829 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 16:57:17,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:57:17,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:57:17,830 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:57:17,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 16:57:17,977 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2022-02-19 16:57:17,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:57:17,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 173 conjunts are in the unsatisfiable core [2022-02-19 16:57:17,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:57:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 302 proven. 1579 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 16:57:22,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:57:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 1148 proven. 733 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 16:57:25,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240586927] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:57:25,261 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:57:25,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 88, 64] total 210 [2022-02-19 16:57:25,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378722169] [2022-02-19 16:57:25,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:57:25,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-02-19 16:57:25,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:57:25,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-02-19 16:57:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8738, Invalid=35572, Unknown=0, NotChecked=0, Total=44310 [2022-02-19 16:57:25,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:57:25,279 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:57:25,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 1.9289099526066351) internal successors, (407), 210 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:57:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:57:47,967 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1078567 transitions and produced 232406 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-19 16:57:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:57:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-19 16:57:47,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 16:57:48,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:57:48,172 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:57:48,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:57:48,172 INFO L85 PathProgramCache]: Analyzing trace with hash -612339086, now seen corresponding path program 2 times [2022-02-19 16:57:48,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:57:48,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306387004] [2022-02-19 16:57:48,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:57:48,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:57:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:57:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1102 proven. 1020 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-19 16:57:50,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:57:50,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306387004] [2022-02-19 16:57:50,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306387004] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:57:50,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050637333] [2022-02-19 16:57:50,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 16:57:50,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:57:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:57:50,384 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) [2022-02-19 16:57:50,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 16:57:50,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 16:57:50,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:57:50,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 186 conjunts are in the unsatisfiable core [2022-02-19 16:57:50,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:57:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 301 proven. 1801 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-19 16:57:55,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:57:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 1157 proven. 961 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-19 16:57:58,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050637333] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:57:58,753 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:57:58,753 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 96, 67] total 222 [2022-02-19 16:57:58,753 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260069558] [2022-02-19 16:57:58,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:57:58,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-19 16:57:58,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:57:58,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-19 16:57:58,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9437, Invalid=40069, Unknown=0, NotChecked=0, Total=49506 [2022-02-19 16:57:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:57:58,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:57:58,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 1.8654708520179373) internal successors, (416), 222 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-19 16:57:58,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:58:20,729 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1140289 transitions and produced 249698 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-19 16:58:20,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-19 16:58:20,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-19 16:58:20,931 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,SelfDestructingSolverStorable8 [2022-02-19 16:58:20,931 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:58:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:58:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash -195236040, now seen corresponding path program 3 times [2022-02-19 16:58:20,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:58:20,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241521698] [2022-02-19 16:58:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:58:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:58:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:58:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 151 proven. 2167 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 16:58:24,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:58:24,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241521698] [2022-02-19 16:58:24,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241521698] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:58:24,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165677030] [2022-02-19 16:58:24,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 16:58:24,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:58:24,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:58:24,419 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) [2022-02-19 16:58:24,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 16:58:24,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2022-02-19 16:58:24,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:58:24,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 138 conjunts are in the unsatisfiable core [2022-02-19 16:58:24,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:58:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1104 proven. 1215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 16:58:33,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:58:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1098 proven. 1223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:58:40,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165677030] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:58:40,058 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:58:40,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 134, 107] total 306 [2022-02-19 16:58:40,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105696486] [2022-02-19 16:58:40,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:58:40,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2022-02-19 16:58:40,059 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:58:40,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2022-02-19 16:58:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20428, Invalid=73514, Unknown=0, NotChecked=0, Total=93942 [2022-02-19 16:58:40,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:58:40,067 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:58:40,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 307 states, 307 states have (on average 1.4397394136807817) internal successors, (442), 306 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:58:40,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:58:40,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:58:40,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:58:40,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:58:40,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:58:40,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-19 16:58:40,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:58:40,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-19 16:58:40,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-02-19 16:58:40,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:59:23,809 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1332314 transitions and produced 293612 states. [2022-02-19 16:59:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:59:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:59:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2022-02-19 16:59:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2022-02-19 16:59:23,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 16:59:24,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 16:59:24,026 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 16:59:24,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:59:24,027 INFO L85 PathProgramCache]: Analyzing trace with hash -393950912, now seen corresponding path program 4 times [2022-02-19 16:59:24,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:59:24,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178816345] [2022-02-19 16:59:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:59:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:59:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:59:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:59:29,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:59:29,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178816345] [2022-02-19 16:59:29,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178816345] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:59:29,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738611101] [2022-02-19 16:59:29,755 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 16:59:29,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:59:29,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:59:29,760 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) [2022-02-19 16:59:29,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 16:59:29,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 16:59:29,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:59:29,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 295 conjunts are in the unsatisfiable core [2022-02-19 16:59:29,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:59:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:59:34,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:59:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 0 proven. 2609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:59:53,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738611101] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:59:53,940 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:59:53,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 110] total 262 [2022-02-19 16:59:53,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125613397] [2022-02-19 16:59:53,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:59:53,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2022-02-19 16:59:53,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:59:53,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2022-02-19 16:59:53,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1138, Invalid=67768, Unknown=0, NotChecked=0, Total=68906 [2022-02-19 16:59:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:59:53,944 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:59:53,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 1.55893536121673) internal successors, (410), 262 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2022-02-19 16:59:53,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 17:01:52,137 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1350266 transitions and produced 297838 states. [2022-02-19 17:01:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 17:01:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 17:01:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-19 17:01:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-02-19 17:01:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 17:01:52,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-19 17:01:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 602 states. [2022-02-19 17:01:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-19 17:01:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-02-19 17:01:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2022-02-19 17:01:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-02-19 17:01:52,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 17:01:52,357 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,SelfDestructingSolverStorable10 [2022-02-19 17:01:52,358 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 17:01:52,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 17:01:52,358 INFO L85 PathProgramCache]: Analyzing trace with hash 2031618582, now seen corresponding path program 7 times [2022-02-19 17:01:52,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 17:01:52,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848825966] [2022-02-19 17:01:52,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 17:01:52,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 17:01:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 17:02:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 17 proven. 4419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 17:02:02,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 17:02:02,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848825966] [2022-02-19 17:02:02,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848825966] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 17:02:02,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063758175] [2022-02-19 17:02:02,506 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 17:02:02,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 17:02:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 17:02:02,507 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 17:02:02,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 17:02:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 17:02:02,623 WARN L261 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 285 conjunts are in the unsatisfiable core [2022-02-19 17:02:02,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 17:02:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 5 proven. 4431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 17:02:12,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 17:02:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 2316 proven. 2120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 17:02:32,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063758175] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 17:02:32,319 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 17:02:32,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 145, 101] total 383 [2022-02-19 17:02:32,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762569882] [2022-02-19 17:02:32,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 17:02:32,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2022-02-19 17:02:32,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 17:02:32,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2022-02-19 17:02:32,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19015, Invalid=128057, Unknown=0, NotChecked=0, Total=147072 [2022-02-19 17:02:32,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 17:02:32,329 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 17:02:32,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 384 states have (on average 1.6223958333333333) internal successors, (623), 383 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 17:02:32,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 17:02:32,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 602 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-02-19 17:02:32,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-19 17:03:32,869 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 17:03:32,869 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 17:03:32,869 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 17:03:32,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 17:03:33,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-19 17:03:33,070 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-19 17:03:33,072 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-19 17:03:33,072 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-19 17:03:33,072 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-19 17:03:33,072 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-19 17:03:33,072 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-19 17:03:33,087 INFO L732 BasicCegarLoop]: Path program histogram: [7, 4, 1] [2022-02-19 17:03:33,088 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 17:03:33,088 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 17:03:33,089 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:03:33 BasicIcfg [2022-02-19 17:03:33,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 17:03:33,090 INFO L158 Benchmark]: Toolchain (without parser) took 635525.60ms. Allocated memory was 217.1MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 177.3MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2022-02-19 17:03:33,090 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 217.1MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 17:03:33,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.88ms. Allocated memory is still 217.1MB. Free memory was 177.2MB in the beginning and 175.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 17:03:33,090 INFO L158 Benchmark]: Boogie Preprocessor took 14.81ms. Allocated memory is still 217.1MB. Free memory was 175.7MB in the beginning and 174.7MB in the end (delta: 994.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 17:03:33,091 INFO L158 Benchmark]: RCFGBuilder took 217.69ms. Allocated memory is still 217.1MB. Free memory was 174.6MB in the beginning and 165.0MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 17:03:33,091 INFO L158 Benchmark]: TraceAbstraction took 635266.62ms. Allocated memory was 217.1MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 164.4MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2022-02-19 17:03:33,106 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 217.1MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.88ms. Allocated memory is still 217.1MB. Free memory was 177.2MB in the beginning and 175.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.81ms. Allocated memory is still 217.1MB. Free memory was 175.7MB in the beginning and 174.7MB in the end (delta: 994.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.69ms. Allocated memory is still 217.1MB. Free memory was 174.6MB in the beginning and 165.0MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 635266.62ms. Allocated memory was 217.1MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 164.4MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 3.6GB. 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: 72]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 63]: 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: 63]: 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: 65]: 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: 64]: 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, 50 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 635.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 488.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2644, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 142.7s InterpolantComputationTime, 2796 NumberOfCodeBlocks, 2796 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 4090 ConstructedInterpolants, 6 QuantifiedInterpolants, 41385 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3400 ConjunctsInSsa, 1604 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 13197/49843 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 [2022-02-19 17:03:33,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 17:03:33,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 !SESSION 2022-02-19 16:52:55.678 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2022-02-19 17:03:33.542 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5ce61dd/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5ce61dd/.metadata/.log.