/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 04:25:43,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 04:25:43,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 04:25:43,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 04:25:43,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 04:25:43,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 04:25:43,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 04:25:43,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 04:25:43,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 04:25:43,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 04:25:43,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 04:25:43,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 04:25:43,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 04:25:43,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 04:25:43,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 04:25:43,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 04:25:43,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 04:25:43,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 04:25:43,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 04:25:43,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 04:25:43,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 04:25:43,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 04:25:43,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 04:25:43,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 04:25:43,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 04:25:43,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 04:25:43,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 04:25:43,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 04:25:43,163 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.epf [2022-02-20 04:25:43,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 04:25:43,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 04:25:43,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 04:25:43,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 04:25:43,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 04:25:43,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 04:25:43,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 04:25:43,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 04:25:43,180 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 04:25:43,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 04:25:43,180 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 04:25:43,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 04:25:43,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 04:25:43,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:25:43,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 04:25:43,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 04:25:43,183 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 04:25:43,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 04:25:43,183 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 04:25:43,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 04:25:43,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 04:25:43,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 04:25:43,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 04:25:43,383 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 04:25:43,385 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 04:25:43,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2022-02-20 04:25:43,386 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2022-02-20 04:25:43,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 04:25:43,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 04:25:43,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 04:25:43,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 04:25:43,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 04:25:43,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,433 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 04:25:43,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 04:25:43,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 04:25:43,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 04:25:43,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 04:25:43,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 04:25:43,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 04:25:43,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 04:25:43,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 04:25:43,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/1) ... [2022-02-20 04:25:43,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 04:25:43,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:25:43,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 04:25:43,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 04:25:43,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 04:25:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 04:25:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 04:25:43,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 04:25:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 04:25:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 04:25:43,503 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 04:25:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 04:25:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 04:25:43,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 04:25:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 04:25:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 04:25:43,504 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 04:25:43,538 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 04:25:43,539 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 04:25:43,632 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 04:25:43,643 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 04:25:43,644 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 04:25:43,645 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:25:43 BoogieIcfgContainer [2022-02-20 04:25:43,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 04:25:43,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 04:25:43,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 04:25:43,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 04:25:43,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 04:25:43" (1/2) ... [2022-02-20 04:25:43,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5134a0 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:25:43, skipping insertion in model container [2022-02-20 04:25:43,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:25:43" (2/2) ... [2022-02-20 04:25:43,653 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2022-02-20 04:25:43,659 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 04:25:43,659 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 04:25:43,659 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 04:25:43,659 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 04:25:43,710 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 04:25:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 04:25:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:25:43,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 04:25:43,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 04:25:43,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 04:25:43,782 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 [2022-02-20 04:25:43,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 04:25:43,904 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-02-20 04:25:43,906 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:25:43,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:25:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1731617998, now seen corresponding path program 1 times [2022-02-20 04:25:43,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:25:43,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858619430] [2022-02-20 04:25:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:25:43,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:25:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:25:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 04:25:44,130 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:25:44,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858619430] [2022-02-20 04:25:44,130 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858619430] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:25:44,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192528151] [2022-02-20 04:25:44,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:25:44,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:25:44,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:25:44,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:25:44,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 04:25:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:25:44,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 04:25:44,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:25:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:25:44,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:25:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 04:25:44,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192528151] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:25:44,646 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:25:44,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-02-20 04:25:44,648 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40871179] [2022-02-20 04:25:44,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:25:44,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-20 04:25:44,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:25:44,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-20 04:25:44,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-02-20 04:25:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:25:44,675 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:25:44,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:25:44,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:25:45,094 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-02-20 04:25:45,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:25:45,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 04:25:45,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 04:25:45,300 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:25:45,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:25:45,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1007173588, now seen corresponding path program 2 times [2022-02-20 04:25:45,301 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:25:45,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856688227] [2022-02-20 04:25:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:25:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:25:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:25:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:25:45,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:25:45,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856688227] [2022-02-20 04:25:45,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856688227] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:25:45,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672289299] [2022-02-20 04:25:45,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 04:25:45,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:25:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:25:45,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:25:45,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 04:25:45,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 04:25:45,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:25:45,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 04:25:45,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:25:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:25:45,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:25:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:25:45,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672289299] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:25:45,789 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:25:45,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-02-20 04:25:45,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802611493] [2022-02-20 04:25:45,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:25:45,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-20 04:25:45,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:25:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-20 04:25:45,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-02-20 04:25:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:25:45,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:25:45,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:25:45,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:25:45,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:25:46,114 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-02-20 04:25:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:25:46,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:25:46,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 04:25:46,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:25:46,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:25:46,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:25:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash -170935286, now seen corresponding path program 3 times [2022-02-20 04:25:46,316 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:25:46,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293185443] [2022-02-20 04:25:46,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:25:46,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:25:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:25:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:25:51,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:25:51,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293185443] [2022-02-20 04:25:51,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293185443] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:25:51,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056179409] [2022-02-20 04:25:51,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 04:25:51,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:25:51,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:25:51,872 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:25:51,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 04:25:51,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-20 04:25:51,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:25:51,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-20 04:25:51,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:26:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:26:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:26:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:26:00,955 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:26:00,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 487 treesize of output 375 [2022-02-20 04:27:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:27:33,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:27:49,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:27:49,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 04:27:49,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:27:49,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:27:49,742 INFO L353 Elim1Store]: treesize reduction 32, result has 77.3 percent of original size [2022-02-20 04:27:49,743 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 1757 treesize of output 1011 [2022-02-20 04:30:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:42,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056179409] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:30:42,719 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:30:42,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-02-20 04:30:42,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2545184] [2022-02-20 04:30:42,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:30:42,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-20 04:30:42,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:30:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-20 04:30:42,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1215, Unknown=0, NotChecked=0, Total=1332 [2022-02-20 04:30:42,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:30:42,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:30:42,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:30:42,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:30:42,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:30:42,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:30:54,358 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 132 transitions and produced 128 states. [2022-02-20 04:30:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:30:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:30:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-20 04:30:54,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 04:30:54,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:30:54,559 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:30:54,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:30:54,560 INFO L85 PathProgramCache]: Analyzing trace with hash 295188584, now seen corresponding path program 4 times [2022-02-20 04:30:54,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:30:54,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682466509] [2022-02-20 04:30:54,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:30:54,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:30:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:30:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:54,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:30:54,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682466509] [2022-02-20 04:30:54,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682466509] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:30:54,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639799575] [2022-02-20 04:30:54,651 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 04:30:54,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:30:54,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:30:54,652 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:30:54,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 04:30:54,689 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 04:30:54,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:30:54,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-20 04:30:54,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:30:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:54,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:30:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:55,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639799575] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:30:55,067 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:30:55,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 31 [2022-02-20 04:30:55,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527452172] [2022-02-20 04:30:55,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:30:55,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-20 04:30:55,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:30:55,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-20 04:30:55,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=763, Unknown=0, NotChecked=0, Total=930 [2022-02-20 04:30:55,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:30:55,068 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:30:55,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:30:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:30:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:30:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-20 04:30:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:30:55,747 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 163 states. [2022-02-20 04:30:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:30:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:30:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-20 04:30:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-20 04:30:55,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 04:30:55,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:30:55,948 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:30:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:30:55,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1891723518, now seen corresponding path program 5 times [2022-02-20 04:30:55,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:30:55,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086319316] [2022-02-20 04:30:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:30:55,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:30:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:30:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:56,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:30:56,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086319316] [2022-02-20 04:30:56,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086319316] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:30:56,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188662141] [2022-02-20 04:30:56,070 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 04:30:56,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:30:56,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:30:56,072 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:30:56,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 04:30:56,102 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-20 04:30:56,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:30:56,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-20 04:30:56,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:30:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:56,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 04:30:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 29 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:30:56,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188662141] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 04:30:56,606 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 04:30:56,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 41 [2022-02-20 04:30:56,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023299577] [2022-02-20 04:30:56,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 04:30:56,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-20 04:30:56,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 04:30:56,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-20 04:30:56,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1328, Unknown=0, NotChecked=0, Total=1640 [2022-02-20 04:30:56,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:30:56,608 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 04:30:56,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 41 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 04:30:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:30:56,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:30:56,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-20 04:30:56,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-20 04:30:56,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 04:30:58,272 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1092 transitions and produced 492 states. [2022-02-20 04:30:58,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 04:30:58,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 04:30:58,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-20 04:30:58,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-20 04:30:58,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-20 04:30:58,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 04:30:58,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:30:58,474 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 04:30:58,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 04:30:58,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1849881662, now seen corresponding path program 6 times [2022-02-20 04:30:58,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 04:30:58,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414380825] [2022-02-20 04:30:58,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 04:30:58,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 04:30:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 04:33:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 04:33:49,085 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 04:33:49,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414380825] [2022-02-20 04:33:49,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414380825] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 04:33:49,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494813233] [2022-02-20 04:33:49,086 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 04:33:49,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:33:49,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 04:33:49,087 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 04:33:49,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 04:33:49,142 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-20 04:33:49,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 04:33:49,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-20 04:33:49,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 04:35:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:18,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 04:35:19,056 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 04:35:19,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 41 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 3867 treesize of output 2325 Received shutdown request... [2022-02-20 04:39:42,774 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-20 04:39:42,775 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:39:42,775 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:39:42,775 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 04:39:42,776 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 04:39:42,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 04:39:42,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 04:39:42,992 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. [2022-02-20 04:39:42,994 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 04:39:42,994 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 04:39:42,994 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 04:39:42,998 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 04:39:42,999 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 04:39:42,999 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 04:39:43,001 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:39:43 BasicIcfg [2022-02-20 04:39:43,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 04:39:43,001 INFO L158 Benchmark]: Toolchain (without parser) took 839589.87ms. Allocated memory was 199.2MB in the beginning and 919.6MB in the end (delta: 720.4MB). Free memory was 156.8MB in the beginning and 378.0MB in the end (delta: -221.2MB). Peak memory consumption was 583.0MB. Max. memory is 8.0GB. [2022-02-20 04:39:43,002 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 04:39:43,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.41ms. Allocated memory is still 199.2MB. Free memory was 156.8MB in the beginning and 155.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:39:43,002 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 199.2MB. Free memory was 155.2MB in the beginning and 154.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 04:39:43,002 INFO L158 Benchmark]: RCFGBuilder took 189.60ms. Allocated memory is still 199.2MB. Free memory was 154.2MB in the beginning and 144.8MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 04:39:43,003 INFO L158 Benchmark]: TraceAbstraction took 839354.62ms. Allocated memory was 199.2MB in the beginning and 919.6MB in the end (delta: 720.4MB). Free memory was 144.2MB in the beginning and 378.0MB in the end (delta: -233.8MB). Peak memory consumption was 570.5MB. Max. memory is 8.0GB. [2022-02-20 04:39:43,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.41ms. Allocated memory is still 199.2MB. Free memory was 156.8MB in the beginning and 155.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 199.2MB. Free memory was 155.2MB in the beginning and 154.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 189.60ms. Allocated memory is still 199.2MB. Free memory was 154.2MB in the beginning and 144.8MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 839354.62ms. Allocated memory was 199.2MB in the beginning and 919.6MB in the end (delta: 720.4MB). Free memory was 144.2MB in the beginning and 378.0MB in the end (delta: -233.8MB). Peak memory consumption was 570.5MB. 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. - TimeoutResultAtElement [Line: 59]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. - TimeoutResultAtElement [Line: 59]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. - TimeoutResultAtElement [Line: 60]: 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 12ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 14.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 222, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 298.3s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 507 ConstructedInterpolants, 16 QuantifiedInterpolants, 25261 SizeOfPredicates, 42 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 150/420 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