/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 23:19:40,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 23:19:40,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 23:19:40,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 23:19:40,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 23:19:40,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 23:19:40,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 23:19:40,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 23:19:40,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 23:19:40,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 23:19:40,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 23:19:40,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 23:19:40,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 23:19:40,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 23:19:40,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 23:19:40,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 23:19:40,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 23:19:40,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 23:19:40,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 23:19:40,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 23:19:40,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 23:19:40,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 23:19:40,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 23:19:40,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 23:19:40,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 23:19:40,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 23:19:40,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 23:19:40,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 23:19:40,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 23:19:40,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 23:19:40,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 23:19:40,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 23:19:40,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 23:19:40,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 23:19:40,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 23:19:40,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 23:19:40,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 23:19:40,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 23:19:40,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 23:19:40,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 23:19:40,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:19:40,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 23:19:40,817 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 23:19:40,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 23:19:40,819 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 23:19:40,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 23:19:41,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 23:19:41,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 23:19:41,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 23:19:41,057 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 23:19:41,058 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 23:19:41,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl [2022-03-16 23:19:41,059 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/hard1.wvr.bpl' [2022-03-16 23:19:41,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 23:19:41,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 23:19:41,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 23:19:41,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 23:19:41,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 23:19:41,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,110 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 23:19:41,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 23:19:41,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 23:19:41,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 23:19:41,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 23:19:41,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 23:19:41,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 23:19:41,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 23:19:41,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 23:19:41,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/1) ... [2022-03-16 23:19:41,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:19:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:19:41,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 23:19:41,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 23:19:41,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 23:19:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 23:19:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 23:19:41,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 23:19:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 23:19:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 23:19:41,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 23:19:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 23:19:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 23:19:41,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 23:19:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 23:19:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 23:19:41,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 23:19:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 23:19:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 23:19:41,192 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 23:19:41,224 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 23:19:41,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 23:19:41,363 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 23:19:41,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 23:19:41,379 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 23:19:41,385 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:19:41 BoogieIcfgContainer [2022-03-16 23:19:41,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 23:19:41,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 23:19:41,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 23:19:41,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 23:19:41,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:41" (1/2) ... [2022-03-16 23:19:41,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@872a80e and model type hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:19:41, skipping insertion in model container [2022-03-16 23:19:41,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:19:41" (2/2) ... [2022-03-16 23:19:41,394 INFO L111 eAbstractionObserver]: Analyzing ICFG hard1.wvr.bpl [2022-03-16 23:19:41,403 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 23:19:41,403 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 23:19:41,404 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 23:19:41,404 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 23:19:41,472 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 23:19:41,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 23:19:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:19:41,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 23:19:41,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 23:19:41,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 23:19:41,566 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 23:19:41,567 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 23:19:41,924 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 642 transitions and produced 590 states. [2022-03-16 23:19:41,927 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:19:41,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:19:41,934 INFO L85 PathProgramCache]: Analyzing trace with hash -809220482, now seen corresponding path program 1 times [2022-03-16 23:19:41,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:19:41,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808359636] [2022-03-16 23:19:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:19:41,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:19:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:19:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2429 backedges. 1125 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2022-03-16 23:19:42,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:19:42,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808359636] [2022-03-16 23:19:42,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808359636] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 23:19:42,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 23:19:42,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 23:19:42,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76946392] [2022-03-16 23:19:42,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 23:19:42,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 23:19:42,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:19:42,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 23:19:42,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 23:19:42,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:42,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:19:42,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:19:42,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:42,707 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 499 transitions and produced 461 states. [2022-03-16 23:19:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:19:42,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 23:19:42,708 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:19:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:19:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1507664816, now seen corresponding path program 2 times [2022-03-16 23:19:42,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:19:42,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615199368] [2022-03-16 23:19:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:19:42,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:19:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:19:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-03-16 23:19:42,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:19:42,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615199368] [2022-03-16 23:19:42,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615199368] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 23:19:42,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 23:19:42,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 23:19:42,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352641023] [2022-03-16 23:19:42,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 23:19:42,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 23:19:42,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:19:42,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 23:19:42,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 23:19:42,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:42,969 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:19:42,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:19:42,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:19:42,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:43,135 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 475 transitions and produced 440 states. [2022-03-16 23:19:43,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:19:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:19:43,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 23:19:43,137 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:19:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:19:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash 339968194, now seen corresponding path program 3 times [2022-03-16 23:19:43,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:19:43,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416993654] [2022-03-16 23:19:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:19:43,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:19:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:19:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:19:46,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:19:46,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416993654] [2022-03-16 23:19:46,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416993654] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:19:46,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041226384] [2022-03-16 23:19:46,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:19:46,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:19:46,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:19:46,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:19:46,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 23:19:46,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-03-16 23:19:46,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:19:46,534 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 164 conjunts are in the unsatisfiable core [2022-03-16 23:19:46,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:19:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:19:53,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:19:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:19:59,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041226384] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:19:59,929 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:19:59,929 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 68, 49] total 166 [2022-03-16 23:19:59,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216452261] [2022-03-16 23:19:59,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:19:59,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2022-03-16 23:19:59,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:19:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2022-03-16 23:19:59,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=27048, Unknown=0, NotChecked=0, Total=27722 [2022-03-16 23:19:59,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:59,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:19:59,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 1.622754491017964) internal successors, (271), 166 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:19:59,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:19:59,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:19:59,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:09,663 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 535 transitions and produced 488 states. [2022-03-16 23:20:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 23:20:09,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 23:20:09,867 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 [2022-03-16 23:20:09,868 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:20:09,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:20:09,868 INFO L85 PathProgramCache]: Analyzing trace with hash -106874678, now seen corresponding path program 4 times [2022-03-16 23:20:09,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:20:09,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967552644] [2022-03-16 23:20:09,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:20:09,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:20:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 231 proven. 516 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 23:20:10,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:20:10,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967552644] [2022-03-16 23:20:10,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967552644] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:20:10,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407051892] [2022-03-16 23:20:10,989 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:20:10,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:20:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:20:10,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:20:11,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 23:20:11,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:20:11,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:20:11,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 114 conjunts are in the unsatisfiable core [2022-03-16 23:20:11,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:20:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 55 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:20:13,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:20:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 483 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:20:17,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407051892] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:20:17,083 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:20:17,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 65, 47] total 147 [2022-03-16 23:20:17,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057100893] [2022-03-16 23:20:17,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:20:17,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-03-16 23:20:17,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:20:17,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-03-16 23:20:17,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4249, Invalid=17507, Unknown=0, NotChecked=0, Total=21756 [2022-03-16 23:20:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:17,092 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:20:17,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 1.864864864864865) internal successors, (276), 147 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:20:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:17,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 23:20:17,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:25,040 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 697 transitions and produced 564 states. [2022-03-16 23:20:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:25,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:25,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:20:25,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-03-16 23:20:25,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 23:20:25,241 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 [2022-03-16 23:20:25,242 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:20:25,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:20:25,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1807381212, now seen corresponding path program 5 times [2022-03-16 23:20:25,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:20:25,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020612781] [2022-03-16 23:20:25,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:20:25,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:20:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 969 proven. 504 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-16 23:20:26,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:20:26,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020612781] [2022-03-16 23:20:26,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020612781] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:20:26,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977392582] [2022-03-16 23:20:26,823 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 23:20:26,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:20:26,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:20:26,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:20:26,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 23:20:26,942 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2022-03-16 23:20:26,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:20:26,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 137 conjunts are in the unsatisfiable core [2022-03-16 23:20:26,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:20:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 460 proven. 966 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-03-16 23:20:30,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:20:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 960 proven. 484 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-03-16 23:20:32,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977392582] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:20:32,332 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:20:32,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 73, 51] total 166 [2022-03-16 23:20:32,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905666288] [2022-03-16 23:20:32,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:20:32,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2022-03-16 23:20:32,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:20:32,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2022-03-16 23:20:32,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5384, Invalid=22338, Unknown=0, NotChecked=0, Total=27722 [2022-03-16 23:20:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:32,339 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:20:32,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 1.9221556886227544) internal successors, (321), 166 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:20:32,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:32,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:32,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:20:32,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-03-16 23:20:32,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:37,802 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 670 transitions and produced 547 states. [2022-03-16 23:20:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:20:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:20:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:20:37,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 23:20:38,007 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 [2022-03-16 23:20:38,007 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:20:38,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:20:38,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1089704742, now seen corresponding path program 1 times [2022-03-16 23:20:38,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:20:38,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139545378] [2022-03-16 23:20:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:20:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:20:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 165 proven. 1085 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-16 23:20:40,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:20:40,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139545378] [2022-03-16 23:20:40,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139545378] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:20:40,272 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120208111] [2022-03-16 23:20:40,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:20:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:20:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:20:40,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:20:40,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 23:20:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:40,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-16 23:20:40,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:20:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 181 proven. 1066 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 23:20:42,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:20:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 628 proven. 625 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 23:20:47,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120208111] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:20:47,657 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:20:47,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 78, 53] total 153 [2022-03-16 23:20:47,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22662601] [2022-03-16 23:20:47,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:20:47,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2022-03-16 23:20:47,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:20:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2022-03-16 23:20:47,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3506, Invalid=20056, Unknown=0, NotChecked=0, Total=23562 [2022-03-16 23:20:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:47,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:20:47,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 1.8181818181818181) internal successors, (280), 153 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:20:47,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:47,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:47,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:20:47,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:20:47,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:20:47,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:55,047 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 700 transitions and produced 569 states. [2022-03-16 23:20:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:20:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:20:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:20:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:20:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:20:55,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 23:20:55,251 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 [2022-03-16 23:20:55,251 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:20:55,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:20:55,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1416332074, now seen corresponding path program 2 times [2022-03-16 23:20:55,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:20:55,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283630217] [2022-03-16 23:20:55,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:20:55,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:20:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1363 backedges. 172 proven. 1190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 23:20:58,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:20:58,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283630217] [2022-03-16 23:20:58,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283630217] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:20:58,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824719582] [2022-03-16 23:20:58,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:20:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:20:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:20:58,208 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:20:58,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 23:20:58,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:20:58,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:20:58,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 152 conjunts are in the unsatisfiable core [2022-03-16 23:20:58,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:21:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1363 backedges. 110 proven. 1251 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 23:21:01,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:21:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1363 backedges. 634 proven. 729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:21:05,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824719582] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:21:05,582 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:21:05,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 85, 58] total 172 [2022-03-16 23:21:05,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539985639] [2022-03-16 23:21:05,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:21:05,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2022-03-16 23:21:05,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:21:05,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2022-03-16 23:21:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4668, Invalid=25088, Unknown=0, NotChecked=0, Total=29756 [2022-03-16 23:21:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:21:05,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:21:05,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 1.8150289017341041) internal successors, (314), 172 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:21:05,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:21:14,455 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 760 transitions and produced 607 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:21:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:21:14,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 23:21:14,656 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 [2022-03-16 23:21:14,656 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:21:14,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:21:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash 809336114, now seen corresponding path program 3 times [2022-03-16 23:21:14,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:21:14,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295789261] [2022-03-16 23:21:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:21:14,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:21:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:21:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 1595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:21:18,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:21:18,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295789261] [2022-03-16 23:21:18,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295789261] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:21:18,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928600422] [2022-03-16 23:21:18,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:21:18,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:21:18,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:21:18,361 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:21:18,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 23:21:18,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-03-16 23:21:18,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:21:18,486 WARN L261 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 208 conjunts are in the unsatisfiable core [2022-03-16 23:21:18,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:21:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 1595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:21:24,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:21:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 1595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:21:36,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928600422] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:21:36,713 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:21:36,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 102, 98] total 264 [2022-03-16 23:21:36,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315373786] [2022-03-16 23:21:36,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:21:36,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 265 states [2022-03-16 23:21:36,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:21:36,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 265 interpolants. [2022-03-16 23:21:36,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1198, Invalid=68762, Unknown=0, NotChecked=0, Total=69960 [2022-03-16 23:21:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:21:36,718 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:21:36,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 265 states, 265 states have (on average 1.4679245283018867) internal successors, (389), 264 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:21:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:21:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:21:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:21:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:21:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:21:36,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:21:36,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:21:36,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:22:30,888 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 982 transitions and produced 785 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:22:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:22:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:22:30,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 23:22:31,091 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 [2022-03-16 23:22:31,091 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:22:31,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:22:31,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1482870518, now seen corresponding path program 6 times [2022-03-16 23:22:31,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:22:31,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301103524] [2022-03-16 23:22:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:22:31,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:22:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:22:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 1473 proven. 1239 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-16 23:22:34,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:22:34,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301103524] [2022-03-16 23:22:34,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301103524] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:22:34,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041145859] [2022-03-16 23:22:34,260 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 23:22:34,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:22:34,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:22:34,261 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:22:34,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 23:22:34,424 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 42 check-sat command(s) [2022-03-16 23:22:34,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:22:34,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 218 conjunts are in the unsatisfiable core [2022-03-16 23:22:34,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:22:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 93 proven. 2622 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:22:40,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:22:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 1745 proven. 970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:22:50,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041145859] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:22:50,790 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:22:50,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 118, 79] total 275 [2022-03-16 23:22:50,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758214229] [2022-03-16 23:22:50,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:22:50,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 276 states [2022-03-16 23:22:50,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:22:50,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 276 interpolants. [2022-03-16 23:22:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=60147, Unknown=0, NotChecked=0, Total=75900 [2022-03-16 23:22:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:22:50,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:22:50,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 276 states, 276 states have (on average 1.6159420289855073) internal successors, (446), 275 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:22:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:22:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:22:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:22:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:22:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:22:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:22:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:22:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:22:50,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:23:14,055 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1237 transitions and produced 959 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:23:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:23:14,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-16 23:23:14,257 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 [2022-03-16 23:23:14,257 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:23:14,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:23:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash -70430772, now seen corresponding path program 4 times [2022-03-16 23:23:14,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:23:14,258 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568693014] [2022-03-16 23:23:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:23:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:23:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:23:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5222 backedges. 3157 proven. 1849 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 23:23:18,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:23:18,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568693014] [2022-03-16 23:23:18,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568693014] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:23:18,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322109233] [2022-03-16 23:23:18,674 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:23:18,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:23:18,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:23:18,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:23:18,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 23:23:18,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:23:18,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:23:18,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 175 conjunts are in the unsatisfiable core [2022-03-16 23:23:18,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:23:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5222 backedges. 3157 proven. 1849 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 23:23:25,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:23:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5222 backedges. 3157 proven. 1849 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 23:23:29,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322109233] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:23:29,701 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:23:29,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 175, 132] total 307 [2022-03-16 23:23:29,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064326806] [2022-03-16 23:23:29,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:23:29,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 308 states [2022-03-16 23:23:29,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:23:29,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 308 interpolants. [2022-03-16 23:23:29,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25728, Invalid=68828, Unknown=0, NotChecked=0, Total=94556 [2022-03-16 23:23:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:23:29,710 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:23:29,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 308 states, 308 states have (on average 1.5324675324675325) internal successors, (472), 307 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:23:29,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:29,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:29,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:23:29,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:23:29,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:23:29,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:23:29,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:23:29,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:23:29,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:23:29,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:23:41,148 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1267 transitions and produced 981 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:23:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:23:41,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 23:23:41,350 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 [2022-03-16 23:23:41,350 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:23:41,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:23:41,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1679098672, now seen corresponding path program 5 times [2022-03-16 23:23:41,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:23:41,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339017116] [2022-03-16 23:23:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:23:41,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:23:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:23:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5398 backedges. 3211 proven. 2025 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-03-16 23:23:46,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:23:46,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339017116] [2022-03-16 23:23:46,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339017116] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:23:46,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115055236] [2022-03-16 23:23:46,064 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 23:23:46,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:23:46,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:23:46,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:23:46,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 23:23:46,425 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 59 check-sat command(s) [2022-03-16 23:23:46,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:23:46,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 183 conjunts are in the unsatisfiable core [2022-03-16 23:23:46,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:23:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5398 backedges. 3211 proven. 2025 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-03-16 23:23:53,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:23:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5398 backedges. 3211 proven. 2025 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-03-16 23:23:58,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115055236] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:23:58,113 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:23:58,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 183, 138] total 320 [2022-03-16 23:23:58,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688251867] [2022-03-16 23:23:58,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:23:58,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 321 states [2022-03-16 23:23:58,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:23:58,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 321 interpolants. [2022-03-16 23:23:58,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27642, Invalid=75078, Unknown=0, NotChecked=0, Total=102720 [2022-03-16 23:23:58,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:23:58,123 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:23:58,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 321 states, 321 states have (on average 1.5202492211838006) internal successors, (488), 320 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:23:58,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:24:11,345 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1426 transitions and produced 1101 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:24:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:24:11,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-16 23:24:11,546 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 [2022-03-16 23:24:11,547 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:24:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:24:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 442080602, now seen corresponding path program 7 times [2022-03-16 23:24:11,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:24:11,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864357469] [2022-03-16 23:24:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:24:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:24:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:24:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6399 backedges. 316 proven. 6076 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-16 23:24:21,172 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:24:21,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864357469] [2022-03-16 23:24:21,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864357469] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:24:21,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325916573] [2022-03-16 23:24:21,172 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 23:24:21,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:24:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:24:21,173 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) [2022-03-16 23:24:21,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 23:24:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:24:21,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 334 conjunts are in the unsatisfiable core [2022-03-16 23:24:21,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:24:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6399 backedges. 542 proven. 5836 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-16 23:24:36,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:24:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6399 backedges. 3368 proven. 3025 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 23:24:57,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325916573] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:24:57,656 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:24:57,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [176, 170, 117] total 400 [2022-03-16 23:24:57,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189097118] [2022-03-16 23:24:57,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:24:57,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 401 states [2022-03-16 23:24:57,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:24:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 401 interpolants. [2022-03-16 23:24:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21279, Invalid=139121, Unknown=0, NotChecked=0, Total=160400 [2022-03-16 23:24:57,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:24:57,665 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:24:57,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 401 states, 401 states have (on average 1.770573566084788) internal successors, (710), 400 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:24:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:24:57,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:25:33,264 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1477 transitions and produced 1132 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:25:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:25:33,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:25:33,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-16 23:25:33,467 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 [2022-03-16 23:25:33,467 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:25:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:25:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash -674824212, now seen corresponding path program 6 times [2022-03-16 23:25:33,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:25:33,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207973510] [2022-03-16 23:25:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:25:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:25:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:25:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6854 backedges. 347 proven. 6501 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 23:25:43,800 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:25:43,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207973510] [2022-03-16 23:25:43,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207973510] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:25:43,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534653901] [2022-03-16 23:25:43,800 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 23:25:43,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:25:43,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:25:43,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:25:43,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-16 23:25:44,149 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 60 check-sat command(s) [2022-03-16 23:25:44,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:25:44,155 WARN L261 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 343 conjunts are in the unsatisfiable core [2022-03-16 23:25:44,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:25:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6854 backedges. 347 proven. 6501 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 23:25:54,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:26:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6854 backedges. 3367 proven. 3481 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 23:26:17,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534653901] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:26:17,771 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:26:17,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [181, 181, 120] total 355 [2022-03-16 23:26:17,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394948832] [2022-03-16 23:26:17,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:26:17,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 356 states [2022-03-16 23:26:17,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:26:17,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 356 interpolants. [2022-03-16 23:26:17,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16820, Invalid=109560, Unknown=0, NotChecked=0, Total=126380 [2022-03-16 23:26:17,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:26:17,781 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:26:17,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 356 states, 356 states have (on average 1.7303370786516854) internal successors, (616), 355 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:26:17,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:26:55,881 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1636 transitions and produced 1255 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:26:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:26:55,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2022-03-16 23:26:55,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-16 23:26:56,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-16 23:26:56,087 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:26:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:26:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2070815606, now seen corresponding path program 8 times [2022-03-16 23:26:56,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:26:56,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779466377] [2022-03-16 23:26:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:26:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:26:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:27:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8135 backedges. 4149 proven. 3973 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-16 23:27:04,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:27:04,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779466377] [2022-03-16 23:27:04,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779466377] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:27:04,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025553603] [2022-03-16 23:27:04,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:27:04,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:27:04,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:27:04,519 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:27:04,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-16 23:27:04,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:27:04,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:27:04,667 WARN L261 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 378 conjunts are in the unsatisfiable core [2022-03-16 23:27:04,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:27:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8135 backedges. 145 proven. 7990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:27:20,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:27:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8135 backedges. 4877 proven. 3258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:27:48,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025553603] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:27:48,188 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:27:48,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 200, 133] total 465 [2022-03-16 23:27:48,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238002839] [2022-03-16 23:27:48,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:27:48,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 466 states [2022-03-16 23:27:48,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:27:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 466 interpolants. [2022-03-16 23:27:48,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44489, Invalid=172201, Unknown=0, NotChecked=0, Total=216690 [2022-03-16 23:27:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:27:48,208 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:27:48,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 466 states, 466 states have (on average 1.5278969957081545) internal successors, (712), 465 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2022-03-16 23:27:48,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:29:00,303 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1909 transitions and produced 1444 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:29:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2022-03-16 23:29:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 483 states. [2022-03-16 23:29:00,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-16 23:29:00,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-16 23:29:00,506 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:29:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:29:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1841011652, now seen corresponding path program 7 times [2022-03-16 23:29:00,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:29:00,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552423501] [2022-03-16 23:29:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:29:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:29:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:29:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12446 backedges. 7189 proven. 5041 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 23:29:11,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:29:11,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552423501] [2022-03-16 23:29:11,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552423501] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:29:11,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453224700] [2022-03-16 23:29:11,354 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 23:29:11,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:29:11,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:29:11,355 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:29:11,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-16 23:29:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:29:11,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 287 conjunts are in the unsatisfiable core [2022-03-16 23:29:11,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:29:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12446 backedges. 7189 proven. 5041 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 23:29:27,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:29:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12446 backedges. 7189 proven. 5041 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 23:29:36,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453224700] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:29:36,961 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:29:36,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [216, 287, 216] total 503 [2022-03-16 23:29:36,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152806034] [2022-03-16 23:29:36,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:29:36,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 504 states [2022-03-16 23:29:36,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:29:36,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 504 interpolants. [2022-03-16 23:29:36,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68316, Invalid=185196, Unknown=0, NotChecked=0, Total=253512 [2022-03-16 23:29:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:29:36,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:29:36,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 504 states, 504 states have (on average 1.492063492063492) internal successors, (752), 503 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:29:36,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 483 states. [2022-03-16 23:29:36,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:30:30,029 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1939 transitions and produced 1466 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 483 states. [2022-03-16 23:30:30,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2022-03-16 23:30:30,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-03-16 23:30:30,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:30:30,231 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 23:30:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:30:30,231 INFO L85 PathProgramCache]: Analyzing trace with hash -613394112, now seen corresponding path program 8 times [2022-03-16 23:30:30,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:30:30,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493949407] [2022-03-16 23:30:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:30:30,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:30:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:30:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12734 backedges. 7243 proven. 5329 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-03-16 23:30:41,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:30:41,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493949407] [2022-03-16 23:30:41,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493949407] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:30:41,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341580194] [2022-03-16 23:30:41,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:30:41,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:30:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:30:41,128 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:30:41,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-16 23:30:41,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:30:41,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:30:41,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 295 conjunts are in the unsatisfiable core [2022-03-16 23:30:41,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:30:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12734 backedges. 7243 proven. 5329 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-03-16 23:30:57,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:31:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12734 backedges. 7243 proven. 5329 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-03-16 23:31:06,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341580194] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:31:06,768 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:31:06,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [222, 295, 222] total 516 [2022-03-16 23:31:06,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87396904] [2022-03-16 23:31:06,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:31:06,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 517 states [2022-03-16 23:31:06,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:31:06,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 517 interpolants. [2022-03-16 23:31:06,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71406, Invalid=195366, Unknown=0, NotChecked=0, Total=266772 [2022-03-16 23:31:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:31:06,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:31:06,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 517 states, 517 states have (on average 1.4854932301740813) internal successors, (768), 516 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:31:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:31:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 23:31:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 23:31:06,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 483 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2022-03-16 23:31:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 23:31:20,532 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:31:20,533 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:31:20,533 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:31:20,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-16 23:31:20,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-16 23:31:20,879 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 606 known predicates. [2022-03-16 23:31:20,881 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 23:31:20,881 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 23:31:20,881 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 23:31:20,881 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 23:31:20,881 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 23:31:20,888 INFO L732 BasicCegarLoop]: Path program histogram: [8, 8] [2022-03-16 23:31:20,891 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:31:20,891 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:31:20,893 INFO L202 PluginConnector]: Adding new model hard1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:31:20 BasicIcfg [2022-03-16 23:31:20,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:31:20,893 INFO L158 Benchmark]: Toolchain (without parser) took 699804.84ms. Allocated memory was 198.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 156.7MB in the beginning and 830.4MB in the end (delta: -673.7MB). Peak memory consumption was 759.6MB. Max. memory is 8.0GB. [2022-03-16 23:31:20,894 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:31:20,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.17ms. Allocated memory is still 198.2MB. Free memory was 156.6MB in the beginning and 155.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 23:31:20,894 INFO L158 Benchmark]: Boogie Preprocessor took 11.95ms. Allocated memory is still 198.2MB. Free memory was 155.0MB in the beginning and 154.1MB in the end (delta: 917.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:31:20,895 INFO L158 Benchmark]: RCFGBuilder took 260.78ms. Allocated memory is still 198.2MB. Free memory was 153.9MB in the beginning and 144.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 23:31:20,895 INFO L158 Benchmark]: TraceAbstraction took 699505.33ms. Allocated memory was 198.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 143.8MB in the beginning and 830.4MB in the end (delta: -686.5MB). Peak memory consumption was 745.9MB. Max. memory is 8.0GB. [2022-03-16 23:31:20,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.17ms. Allocated memory is still 198.2MB. Free memory was 156.6MB in the beginning and 155.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.95ms. Allocated memory is still 198.2MB. Free memory was 155.0MB in the beginning and 154.1MB in the end (delta: 917.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 260.78ms. Allocated memory is still 198.2MB. Free memory was 153.9MB in the beginning and 144.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 699505.33ms. Allocated memory was 198.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 143.8MB in the beginning and 830.4MB in the end (delta: -686.5MB). Peak memory consumption was 745.9MB. 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 PredicateComparison was comparing new predicate (quantifier-free) to 606 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 606 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 606 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 606 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 606 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 50 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 699.4s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 354.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 336.8s InterpolantComputationTime, 5934 NumberOfCodeBlocks, 5934 NumberOfCodeBlocksAsserted, 269 NumberOfCheckSat, 8728 ConstructedInterpolants, 0 QuantifiedInterpolants, 65861 SizeOfPredicates, 43 NumberOfNonLiveVariables, 7214 ConjunctsInSsa, 3130 ConjunctsInUnsatCore, 44 InterpolantComputations, 2 PerfectInterpolantSequences, 94015/204166 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