/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.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-c7b2d19 [2022-03-16 06:48:20,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:48:20,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:48:21,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:48:21,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:48:21,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:48:21,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:48:21,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:48:21,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:48:21,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:48:21,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:48:21,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:48:21,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:48:21,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:48:21,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:48:21,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:48:21,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:48:21,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:48:21,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:48:21,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:48:21,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:48:21,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:48:21,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:48:21,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:48:21,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:48:21,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:48:21,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:48:21,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:48:21,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 06:48:21,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:48:21,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:48:21,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:48:21,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:48:21,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:48:21,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:48:21,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:48:21,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:48:21,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:48:21,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:48:21,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:48:21,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:48:21,090 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:48:21,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:48:21,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:48:21,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:48:21,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:48:21,320 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:48:21,321 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:48:21,322 INFO L432 ainManager$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 [2022-03-16 06:48:21,322 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2022-03-16 06:48:21,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:48:21,354 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:48:21,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:48:21,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:48:21,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:48:21,363 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 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,369 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 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,374 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:48:21,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:48:21,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:48:21,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:48:21,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:48:21,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:48:21,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:48:21,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:48:21,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:48:21,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/1) ... [2022-03-16 06:48:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:48:21,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:21,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 06:48:21,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 06:48:21,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:48:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:48:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:48:21,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:48:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:48:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:48:21,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:48:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:48:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:48:21,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:48:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:48:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:48:21,464 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:48:21,511 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:48:21,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:48:21,602 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:48:21,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:48:21,665 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:48:21,667 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:48:21 BoogieIcfgContainer [2022-03-16 06:48:21,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:48:21,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:48:21,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:48:21,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:48:21,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:21" (1/2) ... [2022-03-16 06:48:21,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77729f64 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:48:21, skipping insertion in model container [2022-03-16 06:48:21,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:48:21" (2/2) ... [2022-03-16 06:48:21,681 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2022-03-16 06:48:21,685 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:48:21,685 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:48:21,685 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:48:21,685 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:48:21,730 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:48:21,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:48:21,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:21,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 06:48:21,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 06:48:21,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:48:21,830 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 06:48:21,830 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:48:22,602 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1514 transitions and produced 1235 states. [2022-03-16 06:48:22,604 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:48:22,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:48:22,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1895987584, now seen corresponding path program 1 times [2022-03-16 06:48:22,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:48:22,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480339407] [2022-03-16 06:48:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:48:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:48:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:48:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12578 backedges. 0 proven. 11442 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2022-03-16 06:48:26,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:48:26,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480339407] [2022-03-16 06:48:26,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480339407] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:48:26,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146079014] [2022-03-16 06:48:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:48:26,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:48:26,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:26,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:48:26,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:48:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:48:27,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 67 conjunts are in the unsatisfiable core [2022-03-16 06:48:27,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:48:31,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:31,271 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-03-16 06:48:31,924 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 [2022-03-16 06:48:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12578 backedges. 2 proven. 11434 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2022-03-16 06:48:31,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:48:32,555 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 06:48:32,555 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 [2022-03-16 06:48:36,563 INFO L353 Elim1Store]: treesize reduction 406, result has 19.6 percent of original size [2022-03-16 06:48:36,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 276 treesize of output 298 [2022-03-16 06:48:36,576 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 [2022-03-16 06:48:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12578 backedges. 8 proven. 11428 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2022-03-16 06:48:40,555 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146079014] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:48:40,555 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:48:40,555 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 79 [2022-03-16 06:48:40,557 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531108197] [2022-03-16 06:48:40,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:48:40,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-16 06:48:40,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:48:40,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-16 06:48:40,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=6025, Unknown=0, NotChecked=0, Total=6320 [2022-03-16 06:48:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:48:40,581 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:48:40,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.725) internal successors, (298), 79 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:48:40,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:48:44,203 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1757 transitions and produced 1423 states. [2022-03-16 06:48:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 06:48:44,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:48:44,411 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 [2022-03-16 06:48:44,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:48:44,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:48:44,413 INFO L85 PathProgramCache]: Analyzing trace with hash 21451037, now seen corresponding path program 2 times [2022-03-16 06:48:44,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:48:44,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365658190] [2022-03-16 06:48:44,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:48:44,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:48:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:48:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 17284 backedges. 0 proven. 15507 refuted. 0 times theorem prover too weak. 1777 trivial. 0 not checked. [2022-03-16 06:48:47,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:48:47,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365658190] [2022-03-16 06:48:47,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365658190] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:48:47,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604045756] [2022-03-16 06:48:47,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:48:47,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:48:47,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:47,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:48:47,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:48:47,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:48:47,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:48:47,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 67 conjunts are in the unsatisfiable core [2022-03-16 06:48:47,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:48:51,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:48:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:48:51,347 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-03-16 06:48:51,993 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 [2022-03-16 06:48:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17284 backedges. 2 proven. 15485 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2022-03-16 06:48:52,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:48:52,588 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 06:48:52,589 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 [2022-03-16 06:48:55,336 INFO L353 Elim1Store]: treesize reduction 406, result has 19.6 percent of original size [2022-03-16 06:48:55,336 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 331 treesize of output 327 [2022-03-16 06:48:55,344 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 [2022-03-16 06:48:58,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17284 backedges. 14 proven. 15473 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2022-03-16 06:48:58,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604045756] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:48:58,655 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:48:58,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38, 38] total 78 [2022-03-16 06:48:58,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885829097] [2022-03-16 06:48:58,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:48:58,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-03-16 06:48:58,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:48:58,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-03-16 06:48:58,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=5855, Unknown=0, NotChecked=0, Total=6162 [2022-03-16 06:48:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:48:58,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:48:58,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.7468354430379747) internal successors, (296), 78 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:48:58,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-16 06:48:58,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:49:01,835 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1818 transitions and produced 1466 states. [2022-03-16 06:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 06:49:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 06:49:01,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 06:49:02,051 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 [2022-03-16 06:49:02,052 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:49:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:49:02,052 INFO L85 PathProgramCache]: Analyzing trace with hash 7976444, now seen corresponding path program 3 times [2022-03-16 06:49:02,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:49:02,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982449479] [2022-03-16 06:49:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:49:02,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:49:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:49:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 18406 backedges. 0 proven. 16486 refuted. 0 times theorem prover too weak. 1920 trivial. 0 not checked. [2022-03-16 06:49:06,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:49:06,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982449479] [2022-03-16 06:49:06,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982449479] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:49:06,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895197582] [2022-03-16 06:49:06,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:49:06,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:49:06,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:49:06,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:49:06,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:49:08,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 70 check-sat command(s) [2022-03-16 06:49:08,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:49:08,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 67 conjunts are in the unsatisfiable core [2022-03-16 06:49:08,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:49:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:49:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:49:11,627 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2022-03-16 06:49:12,471 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 [2022-03-16 06:49:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18406 backedges. 2 proven. 16462 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2022-03-16 06:49:12,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:49:13,147 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 06:49:13,148 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 [2022-03-16 06:49:15,941 INFO L353 Elim1Store]: treesize reduction 406, result has 19.6 percent of original size [2022-03-16 06:49:15,941 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 268 treesize of output 294 [2022-03-16 06:49:15,949 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 [2022-03-16 06:49:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18406 backedges. 28 proven. 16436 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2022-03-16 06:49:19,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895197582] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:49:19,210 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:49:19,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39, 39] total 78 [2022-03-16 06:49:19,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103926066] [2022-03-16 06:49:19,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:49:19,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-03-16 06:49:19,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:49:19,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-03-16 06:49:19,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=5834, Unknown=0, NotChecked=0, Total=6162 [2022-03-16 06:49:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:49:19,213 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:49:19,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.7088607594936707) internal successors, (293), 78 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:49:19,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-16 06:49:19,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 06:49:19,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:49:22,057 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1879 transitions and produced 1509 states. [2022-03-16 06:49:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 06:49:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 06:49:22,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-16 06:49:22,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 06:49:22,270 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 [2022-03-16 06:49:22,270 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:49:22,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:49:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1925709061, now seen corresponding path program 4 times [2022-03-16 06:49:22,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:49:22,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703808596] [2022-03-16 06:49:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:49:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:49:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:49:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 19565 backedges. 0 proven. 17608 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2022-03-16 06:49:25,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:49:25,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703808596] [2022-03-16 06:49:25,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703808596] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:49:25,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915552465] [2022-03-16 06:49:25,745 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:49:25,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:49:25,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:49:25,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:49:25,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 06:49:26,693 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:49:26,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:49:26,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 147 conjunts are in the unsatisfiable core [2022-03-16 06:49:26,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:05,003 INFO L353 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-03-16 06:50:05,004 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 208 treesize of output 202 [2022-03-16 06:52:17,526 INFO L353 Elim1Store]: treesize reduction 12880, result has 0.0 percent of original size [2022-03-16 06:52:17,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 47 select indices, 47 select index equivalence classes, 0 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 1081 case distinctions, treesize of input 333 treesize of output 145 [2022-03-16 06:52:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 19565 backedges. 1054 proven. 18369 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-03-16 06:52:17,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:01:24,712 WARN L228 SmtUtils]: Spent 17.46s on a formula simplification. DAG size of input: 4850 DAG size of output: 342 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 07:01:24,713 INFO L353 Elim1Store]: treesize reduction 13434, result has 3.5 percent of original size [2022-03-16 07:01:24,715 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 0 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 1176 case distinctions, treesize of input 5360 treesize of output 3372 [2022-03-16 07:01:24,841 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 Received shutdown request... [2022-03-16 07:02:31,876 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 07:02:31,878 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:02:31,887 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:02:31,892 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:02:31,892 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:02:31,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 07:02:32,092 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 [2022-03-16 07:02:32,092 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 533 with TraceHistMax 118,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 26ms.. [2022-03-16 07:02:32,094 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:02:32,094 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:02:32,094 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:02:32,097 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-03-16 07:02:32,099 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:02:32,099 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:02:32,100 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:02:32 BasicIcfg [2022-03-16 07:02:32,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:02:32,101 INFO L158 Benchmark]: Toolchain (without parser) took 850746.21ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 148.7MB in the beginning and 637.5MB in the end (delta: -488.8MB). Peak memory consumption was 744.1MB. Max. memory is 8.0GB. [2022-03-16 07:02:32,101 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.55ms. Allocated memory is still 184.5MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:02:32,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.21ms. Allocated memory is still 184.5MB. Free memory was 148.6MB in the beginning and 147.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:02:32,101 INFO L158 Benchmark]: Boogie Preprocessor took 24.88ms. Allocated memory is still 184.5MB. Free memory was 147.0MB in the beginning and 146.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:02:32,102 INFO L158 Benchmark]: RCFGBuilder took 265.11ms. Allocated memory is still 184.5MB. Free memory was 146.0MB in the beginning and 135.1MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 07:02:32,102 INFO L158 Benchmark]: TraceAbstraction took 850432.28ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 134.5MB in the beginning and 637.5MB in the end (delta: -503.0MB). Peak memory consumption was 730.5MB. Max. memory is 8.0GB. [2022-03-16 07:02:32,112 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 0.55ms. Allocated memory is still 184.5MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.21ms. Allocated memory is still 184.5MB. Free memory was 148.6MB in the beginning and 147.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.88ms. Allocated memory is still 184.5MB. Free memory was 147.0MB in the beginning and 146.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 265.11ms. Allocated memory is still 184.5MB. Free memory was 146.0MB in the beginning and 135.1MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 850432.28ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 134.5MB in the beginning and 637.5MB in the end (delta: -503.0MB). Peak memory consumption was 730.5MB. 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 533 with TraceHistMax 118,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 26ms.. - 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 533 with TraceHistMax 118,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 26ms.. - 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 533 with TraceHistMax 118,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 26ms.. - 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 533 with TraceHistMax 118,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 26ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 850.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 10.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 90, 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: 0.2s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 39.9s InterpolantComputationTime, 2928 NumberOfCodeBlocks, 2926 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 4383 ConstructedInterpolants, 168 QuantifiedInterpolants, 63676 SizeOfPredicates, 39 NumberOfNonLiveVariables, 2827 ConjunctsInSsa, 201 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 14651/144804 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