/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 19:32:15,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 19:32:15,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 19:32:15,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 19:32:15,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 19:32:15,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 19:32:15,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 19:32:15,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 19:32:15,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 19:32:15,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 19:32:15,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 19:32:15,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 19:32:15,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 19:32:15,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 19:32:15,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 19:32:15,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 19:32:15,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 19:32:15,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 19:32:15,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 19:32:15,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 19:32:15,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 19:32:15,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 19:32:15,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 19:32:15,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 19:32:15,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 19:32:15,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 19:32:15,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 19:32:15,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 19:32:15,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf [2022-02-09 19:32:15,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 19:32:15,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 19:32:15,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 19:32:15,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 19:32:15,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 19:32:15,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 19:32:15,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 19:32:15,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 19:32:15,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 19:32:15,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 19:32:15,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 19:32:15,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 19:32:15,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 19:32:15,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 19:32:15,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 19:32:15,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 19:32:15,665 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 19:32:15,666 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 19:32:15,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2022-02-09 19:32:15,667 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2022-02-09 19:32:15,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 19:32:15,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 19:32:15,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 19:32:15,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 19:32:15,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 19:32:15,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,710 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 19:32:15,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 19:32:15,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 19:32:15,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 19:32:15,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 19:32:15,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 19:32:15,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 19:32:15,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 19:32:15,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 19:32:15,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/1) ... [2022-02-09 19:32:15,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 19:32:15,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:32:15,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 19:32:15,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 19:32:15,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 19:32:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 19:32:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 19:32:15,779 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 19:32:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 19:32:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 19:32:15,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 19:32:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 19:32:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 19:32:15,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 19:32:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 19:32:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 19:32:15,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 19:32:15,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 19:32:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 19:32:15,782 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 19:32:15,821 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 19:32:15,823 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 19:32:15,951 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 19:32:15,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 19:32:15,965 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 19:32:15,966 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:32:15 BoogieIcfgContainer [2022-02-09 19:32:15,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 19:32:15,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 19:32:15,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 19:32:15,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 19:32:15,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:32:15" (1/2) ... [2022-02-09 19:32:15,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d32a111 and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 07:32:15, skipping insertion in model container [2022-02-09 19:32:15,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:32:15" (2/2) ... [2022-02-09 19:32:15,972 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2022-02-09 19:32:15,975 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 19:32:15,975 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 19:32:15,975 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 19:32:15,975 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 19:32:16,023 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 19:32:16,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 19:32:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:32:16,125 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 19:32:16,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 19:32:16,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 19:32:16,160 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 19:32:16,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 19:32:16,170 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 35 transitions, 102 flow [2022-02-09 19:32:16,269 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 635 states, 634 states have (on average 3.889589905362776) internal successors, (2466), 634 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:32:16,317 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 793 transitions and produced 718 states. [2022-02-09 19:32:16,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:32:16,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:32:16,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1026955084, now seen corresponding path program 1 times [2022-02-09 19:32:16,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:32:16,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171673244] [2022-02-09 19:32:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:32:16,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:32:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:32:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 512 proven. 600 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-09 19:32:17,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:32:17,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171673244] [2022-02-09 19:32:17,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171673244] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:32:17,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039167739] [2022-02-09 19:32:17,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:32:17,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:32:17,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:32:17,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:32:17,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 19:32:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:32:17,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-09 19:32:17,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:32:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 601 proven. 419 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-02-09 19:32:19,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:32:20,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 601 proven. 410 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-02-09 19:32:20,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039167739] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:32:20,282 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:32:20,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 31, 25] total 100 [2022-02-09 19:32:20,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928214917] [2022-02-09 19:32:20,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:32:20,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-02-09 19:32:20,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:32:20,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-02-09 19:32:20,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=932, Invalid=9168, Unknown=0, NotChecked=0, Total=10100 [2022-02-09 19:32:20,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:32:20,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:32:20,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.198019801980198) internal successors, (323), 100 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:32:20,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:32:26,691 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1433 transitions and produced 1292 states. [2022-02-09 19:32:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2022-02-09 19:32:26,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 19:32:26,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 19:32:26,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:32:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:32:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash 944208119, now seen corresponding path program 2 times [2022-02-09 19:32:26,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:32:26,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183973532] [2022-02-09 19:32:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:32:26,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:32:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:32:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3736 backedges. 2075 proven. 1321 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-02-09 19:32:27,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:32:27,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183973532] [2022-02-09 19:32:27,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183973532] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:32:27,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156895182] [2022-02-09 19:32:27,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 19:32:27,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:32:27,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:32:27,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:32:27,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 19:32:28,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 19:32:28,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:32:28,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-09 19:32:28,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:32:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3736 backedges. 1604 proven. 1509 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2022-02-09 19:32:30,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:32:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3736 backedges. 1623 proven. 1468 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2022-02-09 19:32:32,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156895182] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:32:32,410 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:32:32,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 41] total 149 [2022-02-09 19:32:32,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021153421] [2022-02-09 19:32:32,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:32:32,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2022-02-09 19:32:32,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:32:32,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2022-02-09 19:32:32,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2600, Invalid=19750, Unknown=0, NotChecked=0, Total=22350 [2022-02-09 19:32:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:32:32,418 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:32:32,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 3.3666666666666667) internal successors, (505), 149 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:32:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2022-02-09 19:32:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:32:37,504 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1714 transitions and produced 1580 states. [2022-02-09 19:32:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:32:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:32:37,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 19:32:37,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:32:37,707 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:32:37,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:32:37,708 INFO L85 PathProgramCache]: Analyzing trace with hash -135770319, now seen corresponding path program 3 times [2022-02-09 19:32:37,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:32:37,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191605283] [2022-02-09 19:32:37,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:32:37,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:32:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:32:41,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4476 backedges. 1171 proven. 3076 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:32:41,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:32:41,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191605283] [2022-02-09 19:32:41,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191605283] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:32:41,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485451571] [2022-02-09 19:32:41,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 19:32:41,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:32:41,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:32:41,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:32:41,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 19:32:41,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-09 19:32:41,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:32:41,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-09 19:32:41,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:32:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4476 backedges. 456 proven. 2 refuted. 0 times theorem prover too weak. 4018 trivial. 0 not checked. [2022-02-09 19:32:42,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:32:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4476 backedges. 456 proven. 2 refuted. 0 times theorem prover too weak. 4018 trivial. 0 not checked. [2022-02-09 19:32:42,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485451571] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:32:42,385 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:32:42,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 8, 8] total 123 [2022-02-09 19:32:42,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048496612] [2022-02-09 19:32:42,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:32:42,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2022-02-09 19:32:42,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:32:42,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2022-02-09 19:32:42,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2601, Invalid=12405, Unknown=0, NotChecked=0, Total=15006 [2022-02-09 19:32:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:32:42,390 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:32:42,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 2.3252032520325203) internal successors, (286), 123 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:32:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:32:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:32:42,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:32:50,622 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2110 transitions and produced 1951 states. [2022-02-09 19:32:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:32:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:32:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:32:50,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 19:32:50,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:32:50,835 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:32:50,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:32:50,836 INFO L85 PathProgramCache]: Analyzing trace with hash 519242507, now seen corresponding path program 4 times [2022-02-09 19:32:50,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:32:50,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817880291] [2022-02-09 19:32:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:32:50,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:32:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:32:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6753 backedges. 2329 proven. 4195 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:32:57,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:32:57,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817880291] [2022-02-09 19:32:57,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817880291] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:32:57,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237903851] [2022-02-09 19:32:57,171 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 19:32:57,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:32:57,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:32:57,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:32:57,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 19:32:57,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 19:32:57,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:32:57,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 90 conjunts are in the unsatisfiable core [2022-02-09 19:32:57,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:33:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6753 backedges. 4301 proven. 2160 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-02-09 19:33:01,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:33:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6753 backedges. 4301 proven. 2160 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-02-09 19:33:02,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237903851] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:33:02,391 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:33:02,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 52, 52] total 213 [2022-02-09 19:33:02,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883298050] [2022-02-09 19:33:02,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:33:02,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-02-09 19:33:02,393 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:33:02,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-02-09 19:33:02,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6418, Invalid=39164, Unknown=0, NotChecked=0, Total=45582 [2022-02-09 19:33:02,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:33:02,400 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:33:02,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 3.0514018691588785) internal successors, (653), 213 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:33:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:33:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:33:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:33:02,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:33:23,358 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2572 transitions and produced 2288 states. [2022-02-09 19:33:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:33:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:33:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:33:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:33:23,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-09 19:33:23,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:33:23,571 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:33:23,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:33:23,572 INFO L85 PathProgramCache]: Analyzing trace with hash -318576721, now seen corresponding path program 5 times [2022-02-09 19:33:23,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:33:23,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735372552] [2022-02-09 19:33:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:33:23,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:33:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:33:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10455 backedges. 3919 proven. 6307 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:33:33,563 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:33:33,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735372552] [2022-02-09 19:33:33,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735372552] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:33:33,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026241975] [2022-02-09 19:33:33,563 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 19:33:33,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:33:33,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:33:33,565 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:33:33,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 19:33:33,995 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 77 check-sat command(s) [2022-02-09 19:33:33,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:33:34,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 120 conjunts are in the unsatisfiable core [2022-02-09 19:33:34,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:33:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 10455 backedges. 6311 proven. 3852 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-02-09 19:33:39,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:33:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10455 backedges. 6311 proven. 3852 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-02-09 19:33:40,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026241975] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:33:40,819 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:33:40,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 64, 64] total 261 [2022-02-09 19:33:40,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533837461] [2022-02-09 19:33:40,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:33:40,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2022-02-09 19:33:40,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:33:40,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2022-02-09 19:33:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9952, Invalid=58430, Unknown=0, NotChecked=0, Total=68382 [2022-02-09 19:33:40,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:33:40,825 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:33:40,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 2.9236641221374047) internal successors, (766), 261 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:33:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:33:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:33:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:33:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:33:40,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:34:15,451 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2968 transitions and produced 2589 states. [2022-02-09 19:34:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:34:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:34:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:34:15,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:34:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:34:15,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 19:34:15,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:34:15,663 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:34:15,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:34:15,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1991815097, now seen corresponding path program 6 times [2022-02-09 19:34:15,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:34:15,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917330735] [2022-02-09 19:34:15,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:34:15,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:34:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:34:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 14385 backedges. 5941 proven. 8215 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:34:29,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:34:29,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917330735] [2022-02-09 19:34:29,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917330735] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:34:29,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745403425] [2022-02-09 19:34:29,843 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 19:34:29,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:34:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:34:29,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:34:29,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 19:34:29,971 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-02-09 19:34:29,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:34:29,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-09 19:34:29,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:34:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14385 backedges. 1296 proven. 23 refuted. 0 times theorem prover too weak. 13066 trivial. 0 not checked. [2022-02-09 19:34:31,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:34:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14385 backedges. 1296 proven. 23 refuted. 0 times theorem prover too weak. 13066 trivial. 0 not checked. [2022-02-09 19:34:31,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745403425] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:34:31,668 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:34:31,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 11, 11] total 241 [2022-02-09 19:34:31,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467436036] [2022-02-09 19:34:31,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:34:31,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2022-02-09 19:34:31,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:34:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2022-02-09 19:34:31,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11638, Invalid=46202, Unknown=0, NotChecked=0, Total=57840 [2022-02-09 19:34:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:34:31,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:34:31,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 2.099585062240664) internal successors, (506), 241 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:34:31,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:34:31,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:34:31,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:34:31,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:34:31,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:34:31,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:00,142 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3357 transitions and produced 2900 states. [2022-02-09 19:35:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:35:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:35:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:35:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:35:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:35:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:35:00,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 19:35:00,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:00,344 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:35:00,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:35:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash 473060513, now seen corresponding path program 7 times [2022-02-09 19:35:00,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:35:00,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483315103] [2022-02-09 19:35:00,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:35:00,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:35:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:35:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18776 backedges. 8395 proven. 10152 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:35:19,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:35:19,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483315103] [2022-02-09 19:35:19,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483315103] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:35:19,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317391867] [2022-02-09 19:35:19,376 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 19:35:19,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:35:19,377 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:35:19,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 19:35:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:35:19,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 166 conjunts are in the unsatisfiable core [2022-02-09 19:35:19,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:35:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18776 backedges. 11642 proven. 6800 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-02-09 19:35:30,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:35:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18776 backedges. 11642 proven. 6800 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-02-09 19:35:31,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317391867] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:35:31,982 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:35:31,982 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [266, 88, 88] total 360 [2022-02-09 19:35:31,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118086008] [2022-02-09 19:35:31,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:35:31,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 361 states [2022-02-09 19:35:31,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:35:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 361 interpolants. [2022-02-09 19:35:31,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19841, Invalid=110119, Unknown=0, NotChecked=0, Total=129960 [2022-02-09 19:35:31,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:31,990 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:35:31,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 361 states, 361 states have (on average 2.817174515235457) internal successors, (1017), 360 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:35:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:36:37,961 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3775 transitions and produced 3213 states. [2022-02-09 19:36:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:36:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:36:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:36:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:36:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:36:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:36:37,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:36:37,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 19:36:38,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-09 19:36:38,165 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:36:38,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:36:38,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2060779971, now seen corresponding path program 8 times [2022-02-09 19:36:38,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:36:38,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549654452] [2022-02-09 19:36:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:36:38,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:36:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:37:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 24462 backedges. 11281 proven. 12952 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:37:02,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:37:02,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549654452] [2022-02-09 19:37:02,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549654452] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:37:02,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840352088] [2022-02-09 19:37:02,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 19:37:02,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:37:02,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:37:02,855 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:37:02,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 19:37:03,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 19:37:03,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:37:03,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 192 conjunts are in the unsatisfiable core [2022-02-09 19:37:03,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:37:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 24462 backedges. 14948 proven. 9180 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-02-09 19:37:16,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:37:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 24462 backedges. 14948 proven. 9180 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-02-09 19:37:18,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840352088] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:37:18,266 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:37:18,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [304, 100, 100] total 408 [2022-02-09 19:37:18,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339618641] [2022-02-09 19:37:18,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:37:18,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 409 states [2022-02-09 19:37:18,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:37:18,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 409 interpolants. [2022-02-09 19:37:18,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26035, Invalid=140837, Unknown=0, NotChecked=0, Total=166872 [2022-02-09 19:37:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:37:18,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:37:18,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 409 states, 409 states have (on average 2.7677261613691932) internal successors, (1132), 408 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:37:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:38:50,237 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4171 transitions and produced 3514 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:38:50,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:38:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 674 states. [2022-02-09 19:38:50,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-09 19:38:50,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:38:50,452 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:38:50,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:38:50,452 INFO L85 PathProgramCache]: Analyzing trace with hash -915571499, now seen corresponding path program 9 times [2022-02-09 19:38:50,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:38:50,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344342011] [2022-02-09 19:38:50,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:38:50,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:38:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:39:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30552 backedges. 14599 proven. 15724 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:39:21,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:39:21,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344342011] [2022-02-09 19:39:21,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344342011] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:39:21,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739722581] [2022-02-09 19:39:21,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 19:39:21,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:39:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:39:21,604 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:39:21,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 19:39:21,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2022-02-09 19:39:21,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:39:21,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 19:39:21,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:39:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30552 backedges. 2346 proven. 66 refuted. 0 times theorem prover too weak. 28140 trivial. 0 not checked. [2022-02-09 19:39:24,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:39:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30552 backedges. 2346 proven. 66 refuted. 0 times theorem prover too weak. 28140 trivial. 0 not checked. [2022-02-09 19:39:24,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739722581] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:39:24,866 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:39:24,866 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [340, 16, 16] total 359 [2022-02-09 19:39:24,866 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309888971] [2022-02-09 19:39:24,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:39:24,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 359 states [2022-02-09 19:39:24,867 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:39:24,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 359 interpolants. [2022-02-09 19:39:24,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27553, Invalid=100969, Unknown=0, NotChecked=0, Total=128522 [2022-02-09 19:39:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:39:24,875 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:39:24,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 359 states, 359 states have (on average 2.01949860724234) internal successors, (725), 359 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 674 states. [2022-02-09 19:39:24,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:40:29,974 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4570 transitions and produced 3833 states. [2022-02-09 19:40:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:40:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:40:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:40:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:40:29,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:40:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:40:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:40:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 674 states. [2022-02-09 19:40:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2022-02-09 19:40:29,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 19:40:30,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-09 19:40:30,176 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:40:30,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:40:30,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1884745907, now seen corresponding path program 10 times [2022-02-09 19:40:30,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:40:30,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706743656] [2022-02-09 19:40:30,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:40:30,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:40:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:41:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 37037 backedges. 18349 proven. 18459 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-02-09 19:41:08,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:41:08,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706743656] [2022-02-09 19:41:08,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706743656] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:41:08,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304145495] [2022-02-09 19:41:08,408 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 19:41:08,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:41:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:41:08,409 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:41:08,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 19:41:08,633 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 19:41:08,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:41:08,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 238 conjunts are in the unsatisfiable core [2022-02-09 19:41:08,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:41:29,174 INFO L134 CoverageAnalysis]: Checked inductivity of 37037 backedges. 22881 proven. 13712 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-02-09 19:41:29,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:41:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 37037 backedges. 22881 proven. 13712 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-02-09 19:41:31,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304145495] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:41:31,269 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:41:31,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [379, 124, 124] total 509 [2022-02-09 19:41:31,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721279015] [2022-02-09 19:41:31,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:41:31,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 510 states [2022-02-09 19:41:31,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:41:31,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 510 interpolants. [2022-02-09 19:41:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41146, Invalid=218444, Unknown=0, NotChecked=0, Total=259590 [2022-02-09 19:41:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:41:31,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:41:31,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 510 states, 510 states have (on average 2.719607843137255) internal successors, (1387), 509 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 674 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2022-02-09 19:41:31,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:44:05,380 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4988 transitions and produced 4146 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 438 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 582 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 674 states. [2022-02-09 19:44:05,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2022-02-09 19:44:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 834 states. [2022-02-09 19:44:05,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 19:44:05,583 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,SelfDestructingSolverStorable9 [2022-02-09 19:44:05,584 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:44:05,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:44:05,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1726745423, now seen corresponding path program 11 times [2022-02-09 19:44:05,585 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:44:05,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010792700] [2022-02-09 19:44:05,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:44:05,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:44:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-02-09 19:44:29,191 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-09 19:44:29,191 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:44:29,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-09 19:44:29,191 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 806 with TraceHistMax 134,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 247 known predicates. [2022-02-09 19:44:29,192 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-09 19:44:29,192 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 19:44:29,193 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-09 19:44:29,193 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-09 19:44:29,197 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-02-09 19:44:29,198 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 19:44:29,199 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 19:44:29,200 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:44:29 BasicIcfg [2022-02-09 19:44:29,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 19:44:29,201 INFO L158 Benchmark]: Toolchain (without parser) took 733508.48ms. Allocated memory was 203.4MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 164.3MB in the beginning and 1.1GB in the end (delta: -946.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-02-09 19:44:29,201 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:44:29,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.78ms. Allocated memory is still 203.4MB. Free memory was 164.2MB in the beginning and 162.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:44:29,201 INFO L158 Benchmark]: Boogie Preprocessor took 21.68ms. Allocated memory is still 203.4MB. Free memory was 162.7MB in the beginning and 161.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:44:29,201 INFO L158 Benchmark]: RCFGBuilder took 231.71ms. Allocated memory is still 203.4MB. Free memory was 161.7MB in the beginning and 151.7MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-09 19:44:29,202 INFO L158 Benchmark]: TraceAbstraction took 733232.55ms. Allocated memory was 203.4MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 151.3MB in the beginning and 1.1GB in the end (delta: -959.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-02-09 19:44:29,202 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:44:29,202 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 203.4MB. Free memory is still 165.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.78ms. Allocated memory is still 203.4MB. Free memory was 164.2MB in the beginning and 162.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.68ms. Allocated memory is still 203.4MB. Free memory was 162.7MB in the beginning and 161.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 231.71ms. Allocated memory is still 203.4MB. Free memory was 161.7MB in the beginning and 151.7MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 733232.55ms. Allocated memory was 203.4MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 151.3MB in the beginning and 1.1GB in the end (delta: -959.0MB). Peak memory consumption was 1.3GB. 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 806 with TraceHistMax 134,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 247 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 806 with TraceHistMax 134,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 247 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 806 with TraceHistMax 134,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 247 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 806 with TraceHistMax 134,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 247 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 806 with TraceHistMax 134,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 247 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 733.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 480.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=635occurred in iteration=0, InterpolantAutomatonStates: 4491, 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, 2.9s SatisfiabilityAnalysisTime, 222.6s InterpolantComputationTime, 9158 NumberOfCodeBlocks, 8118 NumberOfCodeBlocksAsserted, 153 NumberOfCheckSat, 13707 ConstructedInterpolants, 0 QuantifiedInterpolants, 86802 SizeOfPredicates, 8 NumberOfNonLiveVariables, 9169 ConjunctsInSsa, 950 ConjunctsInUnsatCore, 30 InterpolantComputations, 0 PerfectInterpolantSequences, 298973/455370 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