/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 10:32:01,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:32:01,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:32:01,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:32:01,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:32:01,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:32:01,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:32:01,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:32:01,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:32:01,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:32:01,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:32:01,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:32:01,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:32:01,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:32:01,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:32:02,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:32:02,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:32:02,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:32:02,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:32:02,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:32:02,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:32:02,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:32:02,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:32:02,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:32:02,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 10:32:02,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 10:32:02,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 10:32:02,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 10:32:02,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 10:32:02,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 10:32:02,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 10:32:02,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 10:32:02,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 10:32:02,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:32:02,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:32:02,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:32:02,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-02 10:32:02,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:32:02,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:32:02,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:32:02,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:32:02,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:32:02,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:32:02,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:32:02,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:32:02,078 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:32:02,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:32:02,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:32:02,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:32:02,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:32:02,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:32:02,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:32:02,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:32:02,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:32:02,080 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:32:02,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:32:02,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:32:02,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:32:02,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:32:02,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:32:02,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:32:02,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:32:02,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:32:02,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:32:02,082 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:32:02,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:32:02,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:32:02,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:32:02,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:32:02,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:32:02,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:32:02,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:32:02,083 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:32:02,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:32:02,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:32:02,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:32:02,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:32:02,327 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:32:02,331 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:32:02,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2022-03-02 10:32:02,332 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2022-03-02 10:32:02,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:32:02,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:32:02,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:32:02,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:32:02,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:32:02,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,381 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:32:02,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:32:02,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:32:02,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:32:02,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:32:02,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:32:02,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:32:02,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:32:02,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:32:02,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/1) ... [2022-03-02 10:32:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:32:02,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:32:02,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 10:32:02,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 10:32:02,480 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:32:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:32:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:32:02,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:32:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:32:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:32:02,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:32:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:32:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:32:02,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:32:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:32:02,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:32:02,483 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 10:32:02,536 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:32:02,539 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:32:02,634 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:32:02,666 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:32:02,666 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:32:02,668 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:32:02 BoogieIcfgContainer [2022-03-02 10:32:02,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:32:02,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:32:02,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:32:02,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:32:02,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:32:02" (1/2) ... [2022-03-02 10:32:02,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72501bb6 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:32:02, skipping insertion in model container [2022-03-02 10:32:02,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:32:02" (2/2) ... [2022-03-02 10:32:02,675 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2022-03-02 10:32:02,679 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:32:02,679 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:32:02,679 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:32:02,679 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:32:02,731 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 10:32:02,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:32:02,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:32:02,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 10:32:02,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 10:32:02,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:32:02,852 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-02 10:32:02,852 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 10:32:03,406 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1109 transitions and produced 1025 states. [2022-03-02 10:32:03,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:32:03,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:32:03,417 INFO L85 PathProgramCache]: Analyzing trace with hash 575867094, now seen corresponding path program 1 times [2022-03-02 10:32:03,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:32:03,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609386989] [2022-03-02 10:32:03,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:32:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:32:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:32:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12840 backedges. 4270 proven. 7178 refuted. 0 times theorem prover too weak. 1392 trivial. 0 not checked. [2022-03-02 10:32:07,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:32:07,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609386989] [2022-03-02 10:32:07,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609386989] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:32:07,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803862055] [2022-03-02 10:32:07,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:32:07,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:32:07,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:32:07,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:32:07,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 10:32:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:32:07,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-02 10:32:07,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:32:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:32:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:14,338 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 28 [2022-03-02 10:32:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12840 backedges. 4272 proven. 7156 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-03-02 10:32:14,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:32:17,397 INFO L353 Elim1Store]: treesize reduction 312, result has 22.2 percent of original size [2022-03-02 10:32:17,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 296 treesize of output 292 [2022-03-02 10:32:17,412 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2022-03-02 10:32:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12840 backedges. 4333 proven. 7095 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-03-02 10:32:19,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803862055] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:32:19,777 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:32:19,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 52 [2022-03-02 10:32:19,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214160552] [2022-03-02 10:32:19,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:32:19,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-02 10:32:19,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:32:19,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-02 10:32:19,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=2387, Unknown=0, NotChecked=0, Total=2756 [2022-03-02 10:32:19,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:32:19,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:32:19,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.7924528301886795) internal successors, (254), 52 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:32:19,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:32:21,550 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1607 transitions and produced 1483 states. [2022-03-02 10:32:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:32:21,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 10:32:21,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-02 10:32:21,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:32:21,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:32:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1303389079, now seen corresponding path program 2 times [2022-03-02 10:32:21,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:32:21,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859180836] [2022-03-02 10:32:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:32:21,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:32:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:32:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22635 backedges. 6812 proven. 13995 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2022-03-02 10:32:25,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:32:25,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859180836] [2022-03-02 10:32:25,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859180836] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:32:25,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962176211] [2022-03-02 10:32:25,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:32:25,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:32:25,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:32:25,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:32:25,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 10:32:25,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:32:25,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:32:25,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-02 10:32:25,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:32:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:32:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:32:36,677 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-03-02 10:32:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 22635 backedges. 6814 proven. 13941 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2022-03-02 10:32:36,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:32:40,104 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2022-03-02 10:32:40,350 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-03-02 10:32:40,350 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 320 treesize of output 342 [2022-03-02 10:32:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 22635 backedges. 6908 proven. 13847 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2022-03-02 10:32:45,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962176211] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:32:45,605 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:32:45,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 70 [2022-03-02 10:32:45,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391473906] [2022-03-02 10:32:45,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:32:45,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-02 10:32:45,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:32:45,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-02 10:32:45,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=4346, Unknown=0, NotChecked=0, Total=4970 [2022-03-02 10:32:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:32:45,610 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:32:45,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.633802816901408) internal successors, (329), 70 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:32:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:32:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:32:47,638 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1996 transitions and produced 1839 states. [2022-03-02 10:32:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:32:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-02 10:32:47,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 10:32:47,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:32:47,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:32:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:32:47,856 INFO L85 PathProgramCache]: Analyzing trace with hash 427164442, now seen corresponding path program 3 times [2022-03-02 10:32:47,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:32:47,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349165156] [2022-03-02 10:32:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:32:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:32:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:32:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 34106 backedges. 8716 proven. 23279 refuted. 0 times theorem prover too weak. 2111 trivial. 0 not checked. [2022-03-02 10:32:52,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:32:52,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349165156] [2022-03-02 10:32:52,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349165156] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:32:52,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930055152] [2022-03-02 10:32:52,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:32:52,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:32:52,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:32:52,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:32:52,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 10:32:54,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 101 check-sat command(s) [2022-03-02 10:32:54,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:32:54,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 70 conjunts are in the unsatisfiable core [2022-03-02 10:32:54,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:33:00,230 INFO L353 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2022-03-02 10:33:00,230 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 64 treesize of output 28 [2022-03-02 10:33:01,015 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-02 10:33:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 34106 backedges. 0 proven. 28266 refuted. 0 times theorem prover too weak. 5840 trivial. 0 not checked. [2022-03-02 10:33:01,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:33:01,591 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 10:33:01,591 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-03-02 10:33:04,729 INFO L353 Elim1Store]: treesize reduction 312, result has 22.2 percent of original size [2022-03-02 10:33:04,730 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 205 treesize of output 249 [2022-03-02 10:33:04,737 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2022-03-02 10:33:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 34106 backedges. 119 proven. 28147 refuted. 0 times theorem prover too weak. 5840 trivial. 0 not checked. [2022-03-02 10:33:07,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930055152] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:33:07,600 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:33:07,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 35, 35] total 89 [2022-03-02 10:33:07,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5784779] [2022-03-02 10:33:07,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:33:07,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-03-02 10:33:07,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:33:07,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-03-02 10:33:07,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=7608, Unknown=0, NotChecked=0, Total=8010 [2022-03-02 10:33:07,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:33:07,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:33:07,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.355555555555555) internal successors, (392), 89 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:33:07,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:33:07,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-02 10:33:07,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:33:13,322 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2690 transitions and produced 2393 states. [2022-03-02 10:33:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:33:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-02 10:33:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-02 10:33:13,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 10:33:13,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:33:13,544 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:33:13,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:33:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 965718476, now seen corresponding path program 4 times [2022-03-02 10:33:13,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:33:13,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516956610] [2022-03-02 10:33:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:33:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:33:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:33:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 75140 backedges. 33573 proven. 30898 refuted. 0 times theorem prover too weak. 10669 trivial. 0 not checked. [2022-03-02 10:33:25,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:33:25,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516956610] [2022-03-02 10:33:25,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516956610] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:33:25,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652719149] [2022-03-02 10:33:25,260 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 10:33:25,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:33:25,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:33:25,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:33:25,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 10:33:29,387 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 10:33:29,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:33:29,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 52 conjunts are in the unsatisfiable core [2022-03-02 10:33:29,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:33:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:33:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:33:57,944 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 52 [2022-03-02 10:33:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 75140 backedges. 33573 proven. 30834 refuted. 0 times theorem prover too weak. 10733 trivial. 0 not checked. [2022-03-02 10:33:58,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:34:08,419 INFO L353 Elim1Store]: treesize reduction 1400, result has 10.8 percent of original size [2022-03-02 10:34:08,420 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 846 treesize of output 680 [2022-03-02 10:34:08,439 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2022-03-02 10:34:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 75140 backedges. 33798 proven. 30609 refuted. 0 times theorem prover too weak. 10733 trivial. 0 not checked. [2022-03-02 10:34:33,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652719149] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:34:33,300 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:34:33,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35, 35] total 100 [2022-03-02 10:34:33,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397151555] [2022-03-02 10:34:33,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:34:33,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-03-02 10:34:33,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:34:33,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-03-02 10:34:33,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1197, Invalid=8903, Unknown=0, NotChecked=0, Total=10100 [2022-03-02 10:34:33,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:34:33,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:34:33,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.623762376237623) internal successors, (467), 100 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:34:33,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:34:33,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-02 10:34:33,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-02 10:34:33,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:34:36,900 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3068 transitions and produced 2657 states. [2022-03-02 10:34:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-02 10:34:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-02 10:34:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-02 10:34:36,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-02 10:34:36,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 10:34:37,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:34:37,102 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:34:37,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:34:37,102 INFO L85 PathProgramCache]: Analyzing trace with hash 440703671, now seen corresponding path program 5 times [2022-03-02 10:34:37,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:34:37,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749767589] [2022-03-02 10:34:37,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:34:37,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:34:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:34:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 94439 backedges. 39777 proven. 43723 refuted. 0 times theorem prover too weak. 10939 trivial. 0 not checked. [2022-03-02 10:34:57,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:34:57,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749767589] [2022-03-02 10:34:57,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749767589] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:34:57,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162485977] [2022-03-02 10:34:57,303 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 10:34:57,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:34:57,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:34:57,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:34:57,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 10:35:18,169 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 140 check-sat command(s) [2022-03-02 10:35:18,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:35:18,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 291 conjunts are in the unsatisfiable core [2022-03-02 10:35:18,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 10:45:06,534 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 10:45:06,536 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 10:45:06,538 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:45:06,542 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:45:06,542 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:45:06,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 10:45:06,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:45:06,737 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 797 with TraceHistMax 305,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. [2022-03-02 10:45:06,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 10:45:06,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 10:45:06,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 10:45:06,744 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-02 10:45:06,745 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:45:06,745 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:45:06,748 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:45:06 BasicIcfg [2022-03-02 10:45:06,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:45:06,748 INFO L158 Benchmark]: Toolchain (without parser) took 784392.42ms. Allocated memory was 182.5MB in the beginning and 1.1GB in the end (delta: 873.5MB). Free memory was 140.9MB in the beginning and 822.4MB in the end (delta: -681.5MB). Peak memory consumption was 746.3MB. Max. memory is 8.0GB. [2022-03-02 10:45:06,749 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 182.5MB. Free memory was 142.2MB in the beginning and 142.1MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:45:06,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.08ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 139.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 10:45:06,749 INFO L158 Benchmark]: Boogie Preprocessor took 16.00ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 138.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:45:06,750 INFO L158 Benchmark]: RCFGBuilder took 269.08ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 127.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 10:45:06,750 INFO L158 Benchmark]: TraceAbstraction took 784078.22ms. Allocated memory was 182.5MB in the beginning and 1.1GB in the end (delta: 873.5MB). Free memory was 126.9MB in the beginning and 822.4MB in the end (delta: -695.5MB). Peak memory consumption was 732.7MB. Max. memory is 8.0GB. [2022-03-02 10:45:06,751 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 0.12ms. Allocated memory is still 182.5MB. Free memory was 142.2MB in the beginning and 142.1MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.08ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 139.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.00ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 138.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 269.08ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 127.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 784078.22ms. Allocated memory was 182.5MB in the beginning and 1.1GB in the end (delta: 873.5MB). Free memory was 126.9MB in the beginning and 822.4MB in the end (delta: -695.5MB). Peak memory consumption was 732.7MB. 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: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 797 with TraceHistMax 305,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 95]: 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 797 with TraceHistMax 305,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 95]: 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 797 with TraceHistMax 305,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 96]: 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 797 with TraceHistMax 305,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 783.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 13.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 144, 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, 26.1s SatisfiabilityAnalysisTime, 112.9s InterpolantComputationTime, 3872 NumberOfCodeBlocks, 3867 NumberOfCodeBlocksAsserted, 109 NumberOfCheckSat, 5796 ConstructedInterpolants, 824 QuantifiedInterpolants, 147850 SizeOfPredicates, 43 NumberOfNonLiveVariables, 2791 ConjunctsInSsa, 187 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 198918/434163 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